./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label26.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/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label26.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:30,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:30,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:30,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:30,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:30,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:30,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:30,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:30,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:30,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:30,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:30,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:30,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:30,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:30,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:30,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:30,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:30,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:30,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:30,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:30,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:30,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:30,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:30,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:30,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:30,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:30,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:30,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:30,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:30,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:30,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:30,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:30,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:30,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:30,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:30,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:30,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:30,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:30,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:30,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:30,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:30,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:30,438 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:30,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:30,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:30,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:30,440 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:30,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:30,440 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:30,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:30,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:30,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:30,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:30,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:30,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:30,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:30,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:30,442 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:30,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:30,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:30,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:30,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:30,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:30,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:30,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:30,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:30,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:30,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:30,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:30,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:30,444 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/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-10-22 09:01:30,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:30,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:30,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:30,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:30,510 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:30,511 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-10-22 09:01:30,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/data/f07b0e2a3/47e78e5f0a5741cd854a65e402153a21/FLAG8f23eb7f2 [2019-10-22 09:01:31,075 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:31,075 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-10-22 09:01:31,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/data/f07b0e2a3/47e78e5f0a5741cd854a65e402153a21/FLAG8f23eb7f2 [2019-10-22 09:01:31,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/data/f07b0e2a3/47e78e5f0a5741cd854a65e402153a21 [2019-10-22 09:01:31,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:31,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:31,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:31,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:31,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:31,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:31" (1/1) ... [2019-10-22 09:01:31,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebb255b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:31, skipping insertion in model container [2019-10-22 09:01:31,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:31" (1/1) ... [2019-10-22 09:01:31,646 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:31,707 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:32,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:32,195 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:32,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:32,320 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:32,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32 WrapperNode [2019-10-22 09:01:32,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:32,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:32,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:32,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:32,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:32,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:32,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:32,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:32,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:32,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:32,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:32,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:32,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/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 [2019-10-22 09:01:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:33,903 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:33,904 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:01:33,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:33 BoogieIcfgContainer [2019-10-22 09:01:33,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:33,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:33,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:33,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:33,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:31" (1/3) ... [2019-10-22 09:01:33,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ece4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:33, skipping insertion in model container [2019-10-22 09:01:33,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (2/3) ... [2019-10-22 09:01:33,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ece4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:33, skipping insertion in model container [2019-10-22 09:01:33,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:33" (3/3) ... [2019-10-22 09:01:33,917 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2019-10-22 09:01:33,928 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:33,936 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:01:33,948 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:01:33,976 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:33,981 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:33,982 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:33,982 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:33,982 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:33,982 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:33,982 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:33,982 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 09:01:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-22 09:01:34,021 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:34,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:34,023 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:34,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:34,029 INFO L82 PathProgramCache]: Analyzing trace with hash 768814821, now seen corresponding path program 1 times [2019-10-22 09:01:34,037 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:34,037 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241204862] [2019-10-22 09:01:34,038 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:34,038 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:34,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:34,551 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241204862] [2019-10-22 09:01:34,552 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:34,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:34,554 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349944664] [2019-10-22 09:01:34,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:34,562 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:34,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:34,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:34,578 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-10-22 09:01:35,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:35,912 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-10-22 09:01:35,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:35,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2019-10-22 09:01:35,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:35,932 INFO L225 Difference]: With dead ends: 739 [2019-10-22 09:01:35,936 INFO L226 Difference]: Without dead ends: 445 [2019-10-22 09:01:35,940 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:35,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-22 09:01:36,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-10-22 09:01:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-10-22 09:01:36,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-10-22 09:01:36,033 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 136 [2019-10-22 09:01:36,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:36,034 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-10-22 09:01:36,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:36,034 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-10-22 09:01:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-22 09:01:36,039 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:36,039 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:36,040 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:36,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:36,040 INFO L82 PathProgramCache]: Analyzing trace with hash -90241050, now seen corresponding path program 1 times [2019-10-22 09:01:36,040 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:36,041 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035528838] [2019-10-22 09:01:36,041 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:36,041 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:36,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:36,120 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035528838] [2019-10-22 09:01:36,120 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:36,120 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:36,120 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506688497] [2019-10-22 09:01:36,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:36,124 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:36,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:36,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:36,124 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-10-22 09:01:36,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:36,839 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-10-22 09:01:36,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:36,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2019-10-22 09:01:36,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:36,843 INFO L225 Difference]: With dead ends: 1470 [2019-10-22 09:01:36,843 INFO L226 Difference]: Without dead ends: 1027 [2019-10-22 09:01:36,845 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 [2019-10-22 09:01:36,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-10-22 09:01:36,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-10-22 09:01:36,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-10-22 09:01:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-10-22 09:01:36,878 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 154 [2019-10-22 09:01:36,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:36,878 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-10-22 09:01:36,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:36,879 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-10-22 09:01:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-22 09:01:36,882 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:36,882 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:36,883 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:36,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:36,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1636593553, now seen corresponding path program 1 times [2019-10-22 09:01:36,883 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:36,883 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906687393] [2019-10-22 09:01:36,884 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:36,884 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:36,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:36,968 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906687393] [2019-10-22 09:01:36,968 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:36,968 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:36,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110564830] [2019-10-22 09:01:36,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:36,971 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:36,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:36,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:36,971 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-10-22 09:01:37,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:37,687 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-10-22 09:01:37,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:37,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2019-10-22 09:01:37,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:37,693 INFO L225 Difference]: With dead ends: 2582 [2019-10-22 09:01:37,693 INFO L226 Difference]: Without dead ends: 1855 [2019-10-22 09:01:37,695 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-10-22 09:01:37,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-10-22 09:01:37,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-10-22 09:01:37,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-10-22 09:01:37,733 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 158 [2019-10-22 09:01:37,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:37,733 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-10-22 09:01:37,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-10-22 09:01:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-22 09:01:37,738 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:37,738 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:37,738 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:37,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:37,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1768582300, now seen corresponding path program 1 times [2019-10-22 09:01:37,739 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:37,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98082357] [2019-10-22 09:01:37,739 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:37,739 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:37,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:37,800 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98082357] [2019-10-22 09:01:37,800 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:37,800 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:01:37,800 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329287057] [2019-10-22 09:01:37,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:37,801 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:37,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:37,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:37,802 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-10-22 09:01:38,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:38,271 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-10-22 09:01:38,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:38,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-22 09:01:38,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:38,279 INFO L225 Difference]: With dead ends: 3840 [2019-10-22 09:01:38,280 INFO L226 Difference]: Without dead ends: 2272 [2019-10-22 09:01:38,281 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:38,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-10-22 09:01:38,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-10-22 09:01:38,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-10-22 09:01:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-10-22 09:01:38,329 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 158 [2019-10-22 09:01:38,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:38,330 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-10-22 09:01:38,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:38,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-10-22 09:01:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-22 09:01:38,334 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:38,334 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:38,335 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:38,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:38,336 INFO L82 PathProgramCache]: Analyzing trace with hash 628642087, now seen corresponding path program 1 times [2019-10-22 09:01:38,336 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:38,336 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152527575] [2019-10-22 09:01:38,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:38,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:38,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 09:01:38,473 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152527575] [2019-10-22 09:01:38,474 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:38,474 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:38,474 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460919760] [2019-10-22 09:01:38,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:38,474 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:38,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:38,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:38,475 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-10-22 09:01:38,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:38,944 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-10-22 09:01:38,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:38,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-10-22 09:01:38,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:38,955 INFO L225 Difference]: With dead ends: 5381 [2019-10-22 09:01:38,955 INFO L226 Difference]: Without dead ends: 2546 [2019-10-22 09:01:38,958 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 [2019-10-22 09:01:38,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-10-22 09:01:38,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-10-22 09:01:38,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-10-22 09:01:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-10-22 09:01:39,004 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 163 [2019-10-22 09:01:39,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:39,006 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-10-22 09:01:39,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:39,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-10-22 09:01:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-22 09:01:39,010 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:39,010 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:39,010 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:39,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:39,011 INFO L82 PathProgramCache]: Analyzing trace with hash 984032927, now seen corresponding path program 1 times [2019-10-22 09:01:39,011 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:39,011 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961902270] [2019-10-22 09:01:39,011 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:39,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:39,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 09:01:39,087 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961902270] [2019-10-22 09:01:39,088 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:39,088 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:39,088 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510528960] [2019-10-22 09:01:39,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:39,088 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:39,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:39,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:39,090 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-10-22 09:01:39,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:39,532 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-10-22 09:01:39,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:39,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-10-22 09:01:39,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:39,538 INFO L225 Difference]: With dead ends: 4388 [2019-10-22 09:01:39,538 INFO L226 Difference]: Without dead ends: 1985 [2019-10-22 09:01:39,540 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:39,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-10-22 09:01:39,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-10-22 09:01:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-10-22 09:01:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-10-22 09:01:39,571 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 174 [2019-10-22 09:01:39,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:39,571 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-10-22 09:01:39,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-10-22 09:01:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-22 09:01:39,574 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:39,575 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:39,575 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:39,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:39,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1962121537, now seen corresponding path program 1 times [2019-10-22 09:01:39,575 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:39,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247352204] [2019-10-22 09:01:39,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:39,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:39,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 09:01:39,628 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247352204] [2019-10-22 09:01:39,628 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:39,628 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:39,628 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41207764] [2019-10-22 09:01:39,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:39,629 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:39,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:39,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:39,630 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-10-22 09:01:39,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:39,922 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-10-22 09:01:39,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:39,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-10-22 09:01:39,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:39,926 INFO L225 Difference]: With dead ends: 3411 [2019-10-22 09:01:39,927 INFO L226 Difference]: Without dead ends: 1707 [2019-10-22 09:01:39,928 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 [2019-10-22 09:01:39,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-10-22 09:01:39,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-10-22 09:01:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-10-22 09:01:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-10-22 09:01:39,956 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 187 [2019-10-22 09:01:39,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:39,956 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-10-22 09:01:39,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-10-22 09:01:39,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-10-22 09:01:39,961 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:39,961 INFO L380 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:39,962 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:39,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:39,962 INFO L82 PathProgramCache]: Analyzing trace with hash -747241302, now seen corresponding path program 1 times [2019-10-22 09:01:39,962 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:39,962 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708839291] [2019-10-22 09:01:39,962 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:39,963 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:39,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-22 09:01:40,100 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708839291] [2019-10-22 09:01:40,100 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811943761] [2019-10-22 09:01:40,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/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 [2019-10-22 09:01:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:40,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:40,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:40,327 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-22 09:01:40,328 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:01:40,328 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-10-22 09:01:40,328 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956334938] [2019-10-22 09:01:40,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:40,329 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:40,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:40,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:40,330 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-10-22 09:01:40,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:40,723 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-10-22 09:01:40,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:40,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2019-10-22 09:01:40,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:40,724 INFO L225 Difference]: With dead ends: 3818 [2019-10-22 09:01:40,724 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:40,727 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:40,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:40,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:40,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:40,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2019-10-22 09:01:40,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:40,728 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:40,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:40,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:40,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:40,929 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:40,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:41,172 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-10-22 09:01:41,340 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-10-22 09:01:41,343 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,343 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,343 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,343 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-22 09:01:41,343 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-22 09:01:41,343 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-22 09:01:41,343 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-22 09:01:41,343 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-22 09:01:41,343 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-22 09:01:41,343 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-22 09:01:41,344 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,345 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,345 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,346 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-22 09:01:41,346 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-22 09:01:41,346 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-22 09:01:41,347 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 09:01:41,347 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-22 09:01:41,347 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,347 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,347 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,348 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-22 09:01:41,348 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-22 09:01:41,348 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-22 09:01:41,348 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-22 09:01:41,348 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-22 09:01:41,348 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2019-10-22 09:01:41,348 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-22 09:01:41,348 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-22 09:01:41,348 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-22 09:01:41,349 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 09:01:41,350 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-22 09:01:41,351 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-22 09:01:41,352 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-22 09:01:41,353 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,353 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,353 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,358 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-22 09:01:41,358 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-22 09:01:41,358 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 09:01:41,358 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-22 09:01:41,358 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-22 09:01:41,358 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,359 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,359 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,359 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-22 09:01:41,359 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-22 09:01:41,360 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-22 09:01:41,360 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-22 09:01:41,360 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-22 09:01:41,362 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-22 09:01:41,362 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-22 09:01:41,362 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-22 09:01:41,362 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-22 09:01:41,363 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-22 09:01:41,364 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-22 09:01:41,364 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-22 09:01:41,364 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-22 09:01:41,365 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-10-22 09:01:41,366 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,366 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,366 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-22 09:01:41,366 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-22 09:01:41,366 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-22 09:01:41,366 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-22 09:01:41,366 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-22 09:01:41,366 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-22 09:01:41,366 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-22 09:01:41,367 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,368 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,368 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-22 09:01:41,368 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-22 09:01:41,368 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-22 09:01:41,368 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-22 09:01:41,368 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-22 09:01:41,368 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-22 09:01:41,368 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-10-22 09:01:41,368 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,369 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,369 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-22 09:01:41,369 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-22 09:01:41,369 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-22 09:01:41,370 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-22 09:01:41,370 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-22 09:01:41,370 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,370 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,370 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-22 09:01:41,371 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-22 09:01:41,371 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-22 09:01:41,371 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-22 09:01:41,371 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-22 09:01:41,371 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-22 09:01:41,371 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-22 09:01:41,371 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 09:01:41,371 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-22 09:01:41,372 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,372 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,372 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-22 09:01:41,372 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,372 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-22 09:01:41,372 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-22 09:01:41,374 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-22 09:01:41,375 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-22 09:01:41,375 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-22 09:01:41,375 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:41,375 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-22 09:01:41,375 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,375 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,375 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,375 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-22 09:01:41,375 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-22 09:01:41,375 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-22 09:01:41,376 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-22 09:01:41,377 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:41,378 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-22 09:01:41,379 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-22 09:01:41,379 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-22 09:01:41,379 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-22 09:01:41,379 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 09:01:41,379 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-22 09:01:41,379 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-22 09:01:41,379 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-22 09:01:41,379 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-22 09:01:41,379 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-22 09:01:41,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:41 BoogieIcfgContainer [2019-10-22 09:01:41,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:41,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:41,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:41,416 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:41,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:33" (3/4) ... [2019-10-22 09:01:41,420 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:41,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:01:41,442 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:01:41,587 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a4f6a6b-ff52-4919-966d-026dca7cebeb/bin/uautomizer/witness.graphml [2019-10-22 09:01:41,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:41,592 INFO L168 Benchmark]: Toolchain (without parser) took 9988.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 281.0 MB). Free memory was 937.8 MB in the beginning and 1.0 GB in the end (delta: -73.5 MB). Peak memory consumption was 207.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:41,592 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:41,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:41,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.67 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:41,593 INFO L168 Benchmark]: Boogie Preprocessor took 60.53 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:41,593 INFO L168 Benchmark]: RCFGBuilder took 1443.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:41,594 INFO L168 Benchmark]: TraceAbstraction took 7509.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 134.7 MB). Free memory was 997.9 MB in the beginning and 1.0 GB in the end (delta: -41.3 MB). Peak memory consumption was 93.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:41,594 INFO L168 Benchmark]: Witness Printer took 174.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:41,595 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 713.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.67 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.53 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1443.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7509.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 134.7 MB). Free memory was 997.9 MB in the beginning and 1.0 GB in the end (delta: -41.3 MB). Peak memory consumption was 93.5 MB. Max. memory is 11.5 GB. * Witness Printer took 174.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 7.4s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1152 SDtfs, 1525 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 291 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 289 HoareAnnotationTreeSize, 3 FomulaSimplifications, 606 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 312 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1692 NumberOfCodeBlocks, 1692 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1683 ConstructedInterpolants, 0 QuantifiedInterpolants, 626270 SizeOfPredicates, 1 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 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...