./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 932d0be5444dce6d8d9a378b61966d0cdf64a5cb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:04:15,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:04:15,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:04:15,409 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:04:15,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:04:15,410 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:04:15,411 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:04:15,412 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:04:15,413 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:04:15,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:04:15,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:04:15,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:04:15,415 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:04:15,415 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:04:15,416 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:04:15,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:04:15,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:04:15,417 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:04:15,418 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:04:15,421 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:04:15,421 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:04:15,422 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:04:15,424 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:04:15,424 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:04:15,424 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:04:15,425 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:04:15,426 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:04:15,426 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:04:15,427 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:04:15,428 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:04:15,428 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:04:15,428 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:04:15,428 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:04:15,429 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:04:15,429 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:04:15,430 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:04:15,430 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-18 12:04:15,440 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:04:15,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:04:15,440 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:04:15,440 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:04:15,441 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:04:15,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:04:15,441 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:04:15,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:04:15,441 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:04:15,442 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:04:15,442 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:04:15,442 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:04:15,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:04:15,442 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:04:15,442 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 12:04:15,442 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:04:15,442 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:04:15,442 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:04:15,443 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:04:15,443 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:04:15,443 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:04:15,443 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:04:15,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:04:15,443 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:04:15,443 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:04:15,443 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:04:15,444 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:04:15,444 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:04:15,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:04:15,444 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932d0be5444dce6d8d9a378b61966d0cdf64a5cb [2018-11-18 12:04:15,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:04:15,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:04:15,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:04:15,477 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:04:15,477 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:04:15,477 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-11-18 12:04:15,512 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/data/366982f4e/d8ef4700ef0b4c8694ed1be065ab60f5/FLAGd12577c3a [2018-11-18 12:04:15,910 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:04:15,910 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-11-18 12:04:15,914 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/data/366982f4e/d8ef4700ef0b4c8694ed1be065ab60f5/FLAGd12577c3a [2018-11-18 12:04:15,925 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/data/366982f4e/d8ef4700ef0b4c8694ed1be065ab60f5 [2018-11-18 12:04:15,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:04:15,929 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:04:15,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:04:15,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:04:15,933 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:04:15,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:04:15" (1/1) ... [2018-11-18 12:04:15,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e020c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:15, skipping insertion in model container [2018-11-18 12:04:15,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:04:15" (1/1) ... [2018-11-18 12:04:15,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:04:15,959 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:04:16,069 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:04:16,071 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:04:16,082 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:04:16,091 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:04:16,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:16 WrapperNode [2018-11-18 12:04:16,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:04:16,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:04:16,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:04:16,092 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:04:16,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:16" (1/1) ... [2018-11-18 12:04:16,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:16" (1/1) ... [2018-11-18 12:04:16,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:16" (1/1) ... [2018-11-18 12:04:16,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:16" (1/1) ... [2018-11-18 12:04:16,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:16" (1/1) ... [2018-11-18 12:04:16,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:16" (1/1) ... [2018-11-18 12:04:16,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:16" (1/1) ... [2018-11-18 12:04:16,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:04:16,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:04:16,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:04:16,110 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:04:16,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/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 [2018-11-18 12:04:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:04:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:04:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:04:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:04:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:04:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:04:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:04:16,306 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:04:16,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:04:16 BoogieIcfgContainer [2018-11-18 12:04:16,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:04:16,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:04:16,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:04:16,310 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:04:16,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:04:15" (1/3) ... [2018-11-18 12:04:16,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1a5a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:04:16, skipping insertion in model container [2018-11-18 12:04:16,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:16" (2/3) ... [2018-11-18 12:04:16,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1a5a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:04:16, skipping insertion in model container [2018-11-18 12:04:16,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:04:16" (3/3) ... [2018-11-18 12:04:16,313 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-11-18 12:04:16,319 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:04:16,323 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2018-11-18 12:04:16,332 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2018-11-18 12:04:16,350 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:04:16,351 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:04:16,351 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:04:16,351 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:04:16,351 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:04:16,351 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:04:16,351 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:04:16,351 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:04:16,351 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:04:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-11-18 12:04:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 12:04:16,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:16,368 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:16,370 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:16,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:16,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1007353508, now seen corresponding path program 1 times [2018-11-18 12:04:16,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:16,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:16,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:16,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:16,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:16,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:04:16,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:04:16,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:04:16,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:16,490 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2018-11-18 12:04:16,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:16,527 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2018-11-18 12:04:16,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:04:16,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-18 12:04:16,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:16,536 INFO L225 Difference]: With dead ends: 50 [2018-11-18 12:04:16,536 INFO L226 Difference]: Without dead ends: 36 [2018-11-18 12:04:16,538 INFO L604 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 [2018-11-18 12:04:16,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-18 12:04:16,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2018-11-18 12:04:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-18 12:04:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2018-11-18 12:04:16,567 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 8 [2018-11-18 12:04:16,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:16,567 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2018-11-18 12:04:16,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:04:16,567 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2018-11-18 12:04:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 12:04:16,567 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:16,568 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:16,568 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:16,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:16,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1163187724, now seen corresponding path program 1 times [2018-11-18 12:04:16,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:16,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:16,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:16,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:16,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:16,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:04:16,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:04:16,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:04:16,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:16,597 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 3 states. [2018-11-18 12:04:16,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:16,611 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2018-11-18 12:04:16,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:04:16,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-18 12:04:16,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:16,612 INFO L225 Difference]: With dead ends: 35 [2018-11-18 12:04:16,612 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 12:04:16,613 INFO L604 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 [2018-11-18 12:04:16,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 12:04:16,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-18 12:04:16,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-18 12:04:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2018-11-18 12:04:16,617 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 9 [2018-11-18 12:04:16,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:16,617 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2018-11-18 12:04:16,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:04:16,618 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-11-18 12:04:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:04:16,619 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:16,619 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:16,620 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:16,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:16,620 INFO L82 PathProgramCache]: Analyzing trace with hash 729392297, now seen corresponding path program 1 times [2018-11-18 12:04:16,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:16,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:16,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:16,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:16,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:16,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:04:16,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:04:16,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:04:16,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:16,646 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 3 states. [2018-11-18 12:04:16,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:16,674 INFO L93 Difference]: Finished difference Result 58 states and 70 transitions. [2018-11-18 12:04:16,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:04:16,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-18 12:04:16,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:16,675 INFO L225 Difference]: With dead ends: 58 [2018-11-18 12:04:16,675 INFO L226 Difference]: Without dead ends: 56 [2018-11-18 12:04:16,675 INFO L604 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 [2018-11-18 12:04:16,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-11-18 12:04:16,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2018-11-18 12:04:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-18 12:04:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2018-11-18 12:04:16,680 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 12 [2018-11-18 12:04:16,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:16,680 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2018-11-18 12:04:16,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:04:16,681 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-18 12:04:16,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:04:16,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:16,681 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:16,682 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:16,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:16,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1136324785, now seen corresponding path program 1 times [2018-11-18 12:04:16,682 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:16,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:16,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:16,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:16,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:16,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:04:16,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:04:16,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:04:16,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:16,702 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand 3 states. [2018-11-18 12:04:16,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:16,738 INFO L93 Difference]: Finished difference Result 90 states and 124 transitions. [2018-11-18 12:04:16,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:04:16,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 12:04:16,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:16,740 INFO L225 Difference]: With dead ends: 90 [2018-11-18 12:04:16,740 INFO L226 Difference]: Without dead ends: 88 [2018-11-18 12:04:16,740 INFO L604 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 [2018-11-18 12:04:16,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-18 12:04:16,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2018-11-18 12:04:16,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-18 12:04:16,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2018-11-18 12:04:16,748 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 13 [2018-11-18 12:04:16,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:16,749 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2018-11-18 12:04:16,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:04:16,749 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2018-11-18 12:04:16,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:04:16,749 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:16,749 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:16,750 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:16,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:16,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1137470874, now seen corresponding path program 1 times [2018-11-18 12:04:16,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:16,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:16,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:16,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:16,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:04:16,771 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:16,771 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:16,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:16,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:16,860 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:16,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-11-18 12:04:16,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:04:16,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:04:16,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:16,861 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 6 states. [2018-11-18 12:04:16,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:16,917 INFO L93 Difference]: Finished difference Result 167 states and 236 transitions. [2018-11-18 12:04:16,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:04:16,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-18 12:04:16,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:16,924 INFO L225 Difference]: With dead ends: 167 [2018-11-18 12:04:16,924 INFO L226 Difference]: Without dead ends: 166 [2018-11-18 12:04:16,924 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:04:16,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-18 12:04:16,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 79. [2018-11-18 12:04:16,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-11-18 12:04:16,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2018-11-18 12:04:16,931 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 13 [2018-11-18 12:04:16,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:16,931 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2018-11-18 12:04:16,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:04:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2018-11-18 12:04:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:04:16,932 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:16,932 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:16,933 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:16,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:16,933 INFO L82 PathProgramCache]: Analyzing trace with hash 866521714, now seen corresponding path program 1 times [2018-11-18 12:04:16,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:16,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:16,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:16,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:16,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:16,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:04:16,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:04:16,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:04:16,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:16,950 INFO L87 Difference]: Start difference. First operand 79 states and 114 transitions. Second operand 3 states. [2018-11-18 12:04:16,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:16,984 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2018-11-18 12:04:16,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:04:16,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-18 12:04:16,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:16,985 INFO L225 Difference]: With dead ends: 151 [2018-11-18 12:04:16,985 INFO L226 Difference]: Without dead ends: 149 [2018-11-18 12:04:16,986 INFO L604 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 [2018-11-18 12:04:16,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-18 12:04:16,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 141. [2018-11-18 12:04:16,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-18 12:04:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 207 transitions. [2018-11-18 12:04:16,997 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 207 transitions. Word has length 14 [2018-11-18 12:04:16,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:16,997 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 207 transitions. [2018-11-18 12:04:16,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:04:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 207 transitions. [2018-11-18 12:04:16,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:04:16,998 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:16,998 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:16,998 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:16,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:16,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1092369434, now seen corresponding path program 1 times [2018-11-18 12:04:16,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:16,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:16,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:17,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:17,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:04:17,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:04:17,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:04:17,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:17,015 INFO L87 Difference]: Start difference. First operand 141 states and 207 transitions. Second operand 3 states. [2018-11-18 12:04:17,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:17,040 INFO L93 Difference]: Finished difference Result 275 states and 409 transitions. [2018-11-18 12:04:17,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:04:17,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 12:04:17,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:17,042 INFO L225 Difference]: With dead ends: 275 [2018-11-18 12:04:17,042 INFO L226 Difference]: Without dead ends: 273 [2018-11-18 12:04:17,043 INFO L604 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 [2018-11-18 12:04:17,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-11-18 12:04:17,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 269. [2018-11-18 12:04:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-18 12:04:17,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 397 transitions. [2018-11-18 12:04:17,061 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 397 transitions. Word has length 15 [2018-11-18 12:04:17,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:17,062 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 397 transitions. [2018-11-18 12:04:17,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:04:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 397 transitions. [2018-11-18 12:04:17,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:04:17,063 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:17,063 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:17,063 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:17,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:17,063 INFO L82 PathProgramCache]: Analyzing trace with hash 195554908, now seen corresponding path program 1 times [2018-11-18 12:04:17,064 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:17,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:17,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:17,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:17,101 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:17,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:17,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,140 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:17,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-18 12:04:17,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:04:17,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:04:17,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:04:17,141 INFO L87 Difference]: Start difference. First operand 269 states and 397 transitions. Second operand 4 states. [2018-11-18 12:04:17,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:17,186 INFO L93 Difference]: Finished difference Result 481 states and 720 transitions. [2018-11-18 12:04:17,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:04:17,186 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-18 12:04:17,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:17,188 INFO L225 Difference]: With dead ends: 481 [2018-11-18 12:04:17,188 INFO L226 Difference]: Without dead ends: 479 [2018-11-18 12:04:17,189 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:04:17,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-11-18 12:04:17,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 385. [2018-11-18 12:04:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-11-18 12:04:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 571 transitions. [2018-11-18 12:04:17,205 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 571 transitions. Word has length 20 [2018-11-18 12:04:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:17,205 INFO L480 AbstractCegarLoop]: Abstraction has 385 states and 571 transitions. [2018-11-18 12:04:17,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:04:17,206 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 571 transitions. [2018-11-18 12:04:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:04:17,206 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:17,206 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:17,207 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:17,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:17,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1628808007, now seen corresponding path program 1 times [2018-11-18 12:04:17,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:17,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:17,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:17,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:17,237 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:17,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:17,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:04:17,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-18 12:04:17,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:04:17,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:04:17,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:17,297 INFO L87 Difference]: Start difference. First operand 385 states and 571 transitions. Second operand 5 states. [2018-11-18 12:04:17,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:17,336 INFO L93 Difference]: Finished difference Result 654 states and 983 transitions. [2018-11-18 12:04:17,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:04:17,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-18 12:04:17,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:17,338 INFO L225 Difference]: With dead ends: 654 [2018-11-18 12:04:17,338 INFO L226 Difference]: Without dead ends: 652 [2018-11-18 12:04:17,339 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:17,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-11-18 12:04:17,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 500. [2018-11-18 12:04:17,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-18 12:04:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 737 transitions. [2018-11-18 12:04:17,356 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 737 transitions. Word has length 22 [2018-11-18 12:04:17,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:17,356 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 737 transitions. [2018-11-18 12:04:17,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:04:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 737 transitions. [2018-11-18 12:04:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:04:17,357 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:17,357 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:17,358 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:17,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:17,358 INFO L82 PathProgramCache]: Analyzing trace with hash -143968740, now seen corresponding path program 1 times [2018-11-18 12:04:17,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:17,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:17,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:17,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:17,383 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:17,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:17,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:17,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,421 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:17,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-18 12:04:17,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:04:17,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:04:17,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:04:17,422 INFO L87 Difference]: Start difference. First operand 500 states and 737 transitions. Second operand 4 states. [2018-11-18 12:04:17,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:17,498 INFO L93 Difference]: Finished difference Result 894 states and 1344 transitions. [2018-11-18 12:04:17,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:04:17,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-11-18 12:04:17,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:17,502 INFO L225 Difference]: With dead ends: 894 [2018-11-18 12:04:17,502 INFO L226 Difference]: Without dead ends: 892 [2018-11-18 12:04:17,503 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:04:17,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-11-18 12:04:17,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 720. [2018-11-18 12:04:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-18 12:04:17,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1059 transitions. [2018-11-18 12:04:17,530 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1059 transitions. Word has length 24 [2018-11-18 12:04:17,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:17,531 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1059 transitions. [2018-11-18 12:04:17,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:04:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1059 transitions. [2018-11-18 12:04:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:04:17,532 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:17,532 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:17,532 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:17,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:17,533 INFO L82 PathProgramCache]: Analyzing trace with hash -981204821, now seen corresponding path program 1 times [2018-11-18 12:04:17,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:17,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:17,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:17,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,575 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:17,576 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:17,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:17,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:17,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:04:17,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-18 12:04:17,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:04:17,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:04:17,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:17,638 INFO L87 Difference]: Start difference. First operand 720 states and 1059 transitions. Second operand 5 states. [2018-11-18 12:04:17,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:17,725 INFO L93 Difference]: Finished difference Result 1223 states and 1831 transitions. [2018-11-18 12:04:17,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:04:17,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-18 12:04:17,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:17,728 INFO L225 Difference]: With dead ends: 1223 [2018-11-18 12:04:17,728 INFO L226 Difference]: Without dead ends: 1221 [2018-11-18 12:04:17,729 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:17,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2018-11-18 12:04:17,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 939. [2018-11-18 12:04:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-11-18 12:04:17,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1365 transitions. [2018-11-18 12:04:17,754 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1365 transitions. Word has length 26 [2018-11-18 12:04:17,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:17,754 INFO L480 AbstractCegarLoop]: Abstraction has 939 states and 1365 transitions. [2018-11-18 12:04:17,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:04:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1365 transitions. [2018-11-18 12:04:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:04:17,755 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:17,756 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:17,756 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:17,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:17,756 INFO L82 PathProgramCache]: Analyzing trace with hash 223794447, now seen corresponding path program 2 times [2018-11-18 12:04:17,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:17,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:17,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:17,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:17,795 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:17,812 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:04:17,834 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:04:17,834 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:17,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:17,865 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:17,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 12:04:17,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:04:17,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:04:17,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:17,866 INFO L87 Difference]: Start difference. First operand 939 states and 1365 transitions. Second operand 5 states. [2018-11-18 12:04:17,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:17,948 INFO L93 Difference]: Finished difference Result 1612 states and 2374 transitions. [2018-11-18 12:04:17,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:04:17,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-11-18 12:04:17,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:17,954 INFO L225 Difference]: With dead ends: 1612 [2018-11-18 12:04:17,954 INFO L226 Difference]: Without dead ends: 1610 [2018-11-18 12:04:17,955 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:17,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2018-11-18 12:04:18,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1285. [2018-11-18 12:04:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1285 states. [2018-11-18 12:04:18,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1860 transitions. [2018-11-18 12:04:18,008 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1860 transitions. Word has length 28 [2018-11-18 12:04:18,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:18,008 INFO L480 AbstractCegarLoop]: Abstraction has 1285 states and 1860 transitions. [2018-11-18 12:04:18,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:04:18,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1860 transitions. [2018-11-18 12:04:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 12:04:18,009 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:18,009 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:18,010 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:18,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:18,010 INFO L82 PathProgramCache]: Analyzing trace with hash -849210868, now seen corresponding path program 1 times [2018-11-18 12:04:18,010 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:18,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:18,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:18,011 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:18,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:18,068 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:18,068 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:18,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:18,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:18,121 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:18,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 12:04:18,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:04:18,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:04:18,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:18,123 INFO L87 Difference]: Start difference. First operand 1285 states and 1860 transitions. Second operand 5 states. [2018-11-18 12:04:18,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:18,226 INFO L93 Difference]: Finished difference Result 2091 states and 3042 transitions. [2018-11-18 12:04:18,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:04:18,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-18 12:04:18,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:18,234 INFO L225 Difference]: With dead ends: 2091 [2018-11-18 12:04:18,235 INFO L226 Difference]: Without dead ends: 2090 [2018-11-18 12:04:18,236 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:18,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2018-11-18 12:04:18,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 1537. [2018-11-18 12:04:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2018-11-18 12:04:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2222 transitions. [2018-11-18 12:04:18,302 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2222 transitions. Word has length 32 [2018-11-18 12:04:18,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:18,302 INFO L480 AbstractCegarLoop]: Abstraction has 1537 states and 2222 transitions. [2018-11-18 12:04:18,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:04:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2222 transitions. [2018-11-18 12:04:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:04:18,304 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:18,304 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:18,304 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:18,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:18,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1388360378, now seen corresponding path program 2 times [2018-11-18 12:04:18,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:18,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:18,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:18,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:18,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:18,360 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:18,360 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:18,388 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:04:18,398 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:04:18,398 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:18,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:18,404 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:18,431 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:18,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 12:04:18,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:04:18,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:04:18,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:18,432 INFO L87 Difference]: Start difference. First operand 1537 states and 2222 transitions. Second operand 5 states. [2018-11-18 12:04:18,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:18,537 INFO L93 Difference]: Finished difference Result 2635 states and 3866 transitions. [2018-11-18 12:04:18,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:04:18,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-11-18 12:04:18,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:18,545 INFO L225 Difference]: With dead ends: 2635 [2018-11-18 12:04:18,545 INFO L226 Difference]: Without dead ends: 2633 [2018-11-18 12:04:18,547 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:18,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2018-11-18 12:04:18,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 2106. [2018-11-18 12:04:18,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2106 states. [2018-11-18 12:04:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 3029 transitions. [2018-11-18 12:04:18,618 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 3029 transitions. Word has length 34 [2018-11-18 12:04:18,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:18,618 INFO L480 AbstractCegarLoop]: Abstraction has 2106 states and 3029 transitions. [2018-11-18 12:04:18,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:04:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 3029 transitions. [2018-11-18 12:04:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:04:18,619 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:18,619 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:18,619 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:18,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:18,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1466345278, now seen corresponding path program 3 times [2018-11-18 12:04:18,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:18,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:18,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:18,621 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:18,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:18,660 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:18,660 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:18,673 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:04:18,690 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-18 12:04:18,690 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:18,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:18,696 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:18,721 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:18,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-18 12:04:18,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:04:18,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:04:18,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:18,722 INFO L87 Difference]: Start difference. First operand 2106 states and 3029 transitions. Second operand 6 states. [2018-11-18 12:04:18,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:18,830 INFO L93 Difference]: Finished difference Result 3397 states and 4956 transitions. [2018-11-18 12:04:18,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:04:18,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-11-18 12:04:18,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:18,841 INFO L225 Difference]: With dead ends: 3397 [2018-11-18 12:04:18,841 INFO L226 Difference]: Without dead ends: 3395 [2018-11-18 12:04:18,843 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:18,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2018-11-18 12:04:18,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 2754. [2018-11-18 12:04:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2754 states. [2018-11-18 12:04:18,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3940 transitions. [2018-11-18 12:04:18,936 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3940 transitions. Word has length 36 [2018-11-18 12:04:18,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:18,936 INFO L480 AbstractCegarLoop]: Abstraction has 2754 states and 3940 transitions. [2018-11-18 12:04:18,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:04:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3940 transitions. [2018-11-18 12:04:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 12:04:18,937 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:18,937 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:18,938 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:18,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:18,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1981242741, now seen corresponding path program 1 times [2018-11-18 12:04:18,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:18,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:18,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:18,939 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:18,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:18,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:18,966 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:18,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:18,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:19,023 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:19,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 12:04:19,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:04:19,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:04:19,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:19,024 INFO L87 Difference]: Start difference. First operand 2754 states and 3940 transitions. Second operand 5 states. [2018-11-18 12:04:19,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:19,155 INFO L93 Difference]: Finished difference Result 4475 states and 6448 transitions. [2018-11-18 12:04:19,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:04:19,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-11-18 12:04:19,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:19,169 INFO L225 Difference]: With dead ends: 4475 [2018-11-18 12:04:19,169 INFO L226 Difference]: Without dead ends: 4474 [2018-11-18 12:04:19,171 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:04:19,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2018-11-18 12:04:19,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 3296. [2018-11-18 12:04:19,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3296 states. [2018-11-18 12:04:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4708 transitions. [2018-11-18 12:04:19,301 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4708 transitions. Word has length 38 [2018-11-18 12:04:19,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:19,301 INFO L480 AbstractCegarLoop]: Abstraction has 3296 states and 4708 transitions. [2018-11-18 12:04:19,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:04:19,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4708 transitions. [2018-11-18 12:04:19,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 12:04:19,302 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:19,302 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:19,302 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:19,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:19,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1901189380, now seen corresponding path program 2 times [2018-11-18 12:04:19,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:19,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:19,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:19,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:19,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:19,337 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:19,337 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:19,353 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:04:19,371 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:04:19,372 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:19,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:19,404 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:19,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-18 12:04:19,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:04:19,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:04:19,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:19,405 INFO L87 Difference]: Start difference. First operand 3296 states and 4708 transitions. Second operand 6 states. [2018-11-18 12:04:19,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:19,556 INFO L93 Difference]: Finished difference Result 5056 states and 7276 transitions. [2018-11-18 12:04:19,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:04:19,557 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-11-18 12:04:19,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:19,572 INFO L225 Difference]: With dead ends: 5056 [2018-11-18 12:04:19,572 INFO L226 Difference]: Without dead ends: 5055 [2018-11-18 12:04:19,574 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:19,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2018-11-18 12:04:19,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 3710. [2018-11-18 12:04:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3710 states. [2018-11-18 12:04:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3710 states and 5298 transitions. [2018-11-18 12:04:19,708 INFO L78 Accepts]: Start accepts. Automaton has 3710 states and 5298 transitions. Word has length 41 [2018-11-18 12:04:19,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:19,708 INFO L480 AbstractCegarLoop]: Abstraction has 3710 states and 5298 transitions. [2018-11-18 12:04:19,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:04:19,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3710 states and 5298 transitions. [2018-11-18 12:04:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 12:04:19,710 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:19,710 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:19,710 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:19,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:19,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1836942987, now seen corresponding path program 4 times [2018-11-18 12:04:19,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:19,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:19,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:19,712 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:19,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:19,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:19,766 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:19,782 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 12:04:19,796 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 12:04:19,796 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:19,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:19,831 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:19,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-18 12:04:19,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:04:19,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:04:19,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:04:19,833 INFO L87 Difference]: Start difference. First operand 3710 states and 5298 transitions. Second operand 7 states. [2018-11-18 12:04:19,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:19,998 INFO L93 Difference]: Finished difference Result 5694 states and 8252 transitions. [2018-11-18 12:04:19,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:04:19,999 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-11-18 12:04:20,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:20,015 INFO L225 Difference]: With dead ends: 5694 [2018-11-18 12:04:20,015 INFO L226 Difference]: Without dead ends: 5692 [2018-11-18 12:04:20,018 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:04:20,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5692 states. [2018-11-18 12:04:20,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5692 to 4693. [2018-11-18 12:04:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states. [2018-11-18 12:04:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 6669 transitions. [2018-11-18 12:04:20,109 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 6669 transitions. Word has length 44 [2018-11-18 12:04:20,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:20,109 INFO L480 AbstractCegarLoop]: Abstraction has 4693 states and 6669 transitions. [2018-11-18 12:04:20,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:04:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 6669 transitions. [2018-11-18 12:04:20,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 12:04:20,110 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:20,111 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:20,111 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:20,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:20,111 INFO L82 PathProgramCache]: Analyzing trace with hash 598210544, now seen corresponding path program 3 times [2018-11-18 12:04:20,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:20,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:20,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:20,112 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:20,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:20,162 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:20,162 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:20,163 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:20,185 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:04:20,197 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-18 12:04:20,198 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:20,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:20,205 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:20,231 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:20,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-18 12:04:20,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:04:20,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:04:20,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:20,232 INFO L87 Difference]: Start difference. First operand 4693 states and 6669 transitions. Second operand 6 states. [2018-11-18 12:04:20,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:20,382 INFO L93 Difference]: Finished difference Result 7553 states and 10909 transitions. [2018-11-18 12:04:20,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:04:20,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-11-18 12:04:20,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:20,396 INFO L225 Difference]: With dead ends: 7553 [2018-11-18 12:04:20,396 INFO L226 Difference]: Without dead ends: 7551 [2018-11-18 12:04:20,400 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:20,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7551 states. [2018-11-18 12:04:20,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7551 to 6141. [2018-11-18 12:04:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6141 states. [2018-11-18 12:04:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 8677 transitions. [2018-11-18 12:04:20,571 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 8677 transitions. Word has length 44 [2018-11-18 12:04:20,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:20,571 INFO L480 AbstractCegarLoop]: Abstraction has 6141 states and 8677 transitions. [2018-11-18 12:04:20,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:04:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 8677 transitions. [2018-11-18 12:04:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 12:04:20,572 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:20,573 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:20,573 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:20,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:20,573 INFO L82 PathProgramCache]: Analyzing trace with hash -602602044, now seen corresponding path program 2 times [2018-11-18 12:04:20,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:20,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:20,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:20,575 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:20,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:20,617 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:20,617 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:20,631 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:04:20,642 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:04:20,642 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:20,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:20,668 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:20,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-18 12:04:20,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:04:20,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:04:20,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:20,668 INFO L87 Difference]: Start difference. First operand 6141 states and 8677 transitions. Second operand 6 states. [2018-11-18 12:04:20,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:20,817 INFO L93 Difference]: Finished difference Result 9410 states and 13413 transitions. [2018-11-18 12:04:20,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:04:20,818 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-11-18 12:04:20,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:20,829 INFO L225 Difference]: With dead ends: 9410 [2018-11-18 12:04:20,829 INFO L226 Difference]: Without dead ends: 9409 [2018-11-18 12:04:20,833 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:20,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9409 states. [2018-11-18 12:04:20,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9409 to 6913. [2018-11-18 12:04:20,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6913 states. [2018-11-18 12:04:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 9765 transitions. [2018-11-18 12:04:20,958 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 9765 transitions. Word has length 49 [2018-11-18 12:04:20,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:20,959 INFO L480 AbstractCegarLoop]: Abstraction has 6913 states and 9765 transitions. [2018-11-18 12:04:20,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:04:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 9765 transitions. [2018-11-18 12:04:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 12:04:20,960 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:20,960 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:20,961 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:20,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:20,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1055287564, now seen corresponding path program 3 times [2018-11-18 12:04:20,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:20,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:20,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:20,962 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:20,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:21,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:21,022 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:21,048 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:04:21,072 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-18 12:04:21,072 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:21,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:21,095 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:21,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-18 12:04:21,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:04:21,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:04:21,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:04:21,096 INFO L87 Difference]: Start difference. First operand 6913 states and 9765 transitions. Second operand 7 states. [2018-11-18 12:04:21,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:21,259 INFO L93 Difference]: Finished difference Result 10150 states and 14465 transitions. [2018-11-18 12:04:21,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:04:21,259 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2018-11-18 12:04:21,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:21,269 INFO L225 Difference]: With dead ends: 10150 [2018-11-18 12:04:21,269 INFO L226 Difference]: Without dead ends: 10149 [2018-11-18 12:04:21,273 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:04:21,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10149 states. [2018-11-18 12:04:21,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10149 to 7523. [2018-11-18 12:04:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7523 states. [2018-11-18 12:04:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7523 states to 7523 states and 10629 transitions. [2018-11-18 12:04:21,398 INFO L78 Accepts]: Start accepts. Automaton has 7523 states and 10629 transitions. Word has length 50 [2018-11-18 12:04:21,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:21,398 INFO L480 AbstractCegarLoop]: Abstraction has 7523 states and 10629 transitions. [2018-11-18 12:04:21,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:04:21,398 INFO L276 IsEmpty]: Start isEmpty. Operand 7523 states and 10629 transitions. [2018-11-18 12:04:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:04:21,400 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:21,400 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:21,400 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:21,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:21,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1121634520, now seen corresponding path program 5 times [2018-11-18 12:04:21,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:21,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:21,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:21,401 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:21,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:21,453 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:21,453 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:21,453 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:21,472 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-18 12:04:21,500 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-18 12:04:21,500 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:21,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:21,523 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:21,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-18 12:04:21,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:04:21,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:04:21,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:04:21,524 INFO L87 Difference]: Start difference. First operand 7523 states and 10629 transitions. Second operand 8 states. [2018-11-18 12:04:21,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:21,672 INFO L93 Difference]: Finished difference Result 11088 states and 15913 transitions. [2018-11-18 12:04:21,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:04:21,674 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2018-11-18 12:04:21,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:21,685 INFO L225 Difference]: With dead ends: 11088 [2018-11-18 12:04:21,685 INFO L226 Difference]: Without dead ends: 11086 [2018-11-18 12:04:21,689 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:04:21,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11086 states. [2018-11-18 12:04:21,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11086 to 9277. [2018-11-18 12:04:21,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9277 states. [2018-11-18 12:04:21,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9277 states to 9277 states and 13050 transitions. [2018-11-18 12:04:21,838 INFO L78 Accepts]: Start accepts. Automaton has 9277 states and 13050 transitions. Word has length 52 [2018-11-18 12:04:21,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:21,838 INFO L480 AbstractCegarLoop]: Abstraction has 9277 states and 13050 transitions. [2018-11-18 12:04:21,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:04:21,838 INFO L276 IsEmpty]: Start isEmpty. Operand 9277 states and 13050 transitions. [2018-11-18 12:04:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:04:21,840 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:21,840 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:21,840 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:21,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:21,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1990383130, now seen corresponding path program 4 times [2018-11-18 12:04:21,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:21,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:21,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:21,842 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:21,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:21,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:21,893 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:21,921 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 12:04:21,938 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 12:04:21,938 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:21,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:21,958 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:21,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-18 12:04:21,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:04:21,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:04:21,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:04:21,959 INFO L87 Difference]: Start difference. First operand 9277 states and 13050 transitions. Second operand 7 states. [2018-11-18 12:04:22,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:22,161 INFO L93 Difference]: Finished difference Result 14212 states and 20329 transitions. [2018-11-18 12:04:22,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:04:22,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2018-11-18 12:04:22,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:22,171 INFO L225 Difference]: With dead ends: 14212 [2018-11-18 12:04:22,172 INFO L226 Difference]: Without dead ends: 14210 [2018-11-18 12:04:22,174 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:04:22,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14210 states. [2018-11-18 12:04:22,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14210 to 11739. [2018-11-18 12:04:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11739 states. [2018-11-18 12:04:22,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11739 states to 11739 states and 16429 transitions. [2018-11-18 12:04:22,423 INFO L78 Accepts]: Start accepts. Automaton has 11739 states and 16429 transitions. Word has length 54 [2018-11-18 12:04:22,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:22,423 INFO L480 AbstractCegarLoop]: Abstraction has 11739 states and 16429 transitions. [2018-11-18 12:04:22,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:04:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 11739 states and 16429 transitions. [2018-11-18 12:04:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:04:22,425 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:22,425 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:22,425 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:22,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:22,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1774150148, now seen corresponding path program 4 times [2018-11-18 12:04:22,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:22,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:22,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:22,426 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:22,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:22,480 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:22,480 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:22,495 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 12:04:22,510 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 12:04:22,510 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:22,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:22,517 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:22,532 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:22,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-18 12:04:22,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:04:22,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:04:22,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:04:22,533 INFO L87 Difference]: Start difference. First operand 11739 states and 16429 transitions. Second operand 8 states. [2018-11-18 12:04:22,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:22,730 INFO L93 Difference]: Finished difference Result 16654 states and 23533 transitions. [2018-11-18 12:04:22,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:04:22,731 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-11-18 12:04:22,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:22,742 INFO L225 Difference]: With dead ends: 16654 [2018-11-18 12:04:22,742 INFO L226 Difference]: Without dead ends: 16653 [2018-11-18 12:04:22,746 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:04:22,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16653 states. [2018-11-18 12:04:22,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16653 to 12511. [2018-11-18 12:04:22,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12511 states. [2018-11-18 12:04:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12511 states to 12511 states and 17517 transitions. [2018-11-18 12:04:22,996 INFO L78 Accepts]: Start accepts. Automaton has 12511 states and 17517 transitions. Word has length 59 [2018-11-18 12:04:22,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:22,996 INFO L480 AbstractCegarLoop]: Abstraction has 12511 states and 17517 transitions. [2018-11-18 12:04:22,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:04:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 12511 states and 17517 transitions. [2018-11-18 12:04:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:04:22,998 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:22,998 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:22,998 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:22,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:22,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1469354459, now seen corresponding path program 6 times [2018-11-18 12:04:22,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:22,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:23,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:23,000 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:23,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:23,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:23,057 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:23,063 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-18 12:04:23,091 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-18 12:04:23,091 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:23,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:23,121 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:23,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-18 12:04:23,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:04:23,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:04:23,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:04:23,122 INFO L87 Difference]: Start difference. First operand 12511 states and 17517 transitions. Second operand 9 states. [2018-11-18 12:04:23,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:23,376 INFO L93 Difference]: Finished difference Result 17840 states and 25381 transitions. [2018-11-18 12:04:23,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:04:23,376 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2018-11-18 12:04:23,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:23,388 INFO L225 Difference]: With dead ends: 17840 [2018-11-18 12:04:23,389 INFO L226 Difference]: Without dead ends: 17838 [2018-11-18 12:04:23,394 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:04:23,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17838 states. [2018-11-18 12:04:23,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17838 to 15117. [2018-11-18 12:04:23,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15117 states. [2018-11-18 12:04:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15117 states to 15117 states and 21085 transitions. [2018-11-18 12:04:23,640 INFO L78 Accepts]: Start accepts. Automaton has 15117 states and 21085 transitions. Word has length 60 [2018-11-18 12:04:23,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:23,640 INFO L480 AbstractCegarLoop]: Abstraction has 15117 states and 21085 transitions. [2018-11-18 12:04:23,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:04:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 15117 states and 21085 transitions. [2018-11-18 12:04:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:04:23,641 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:23,642 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:23,642 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:23,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:23,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1169136107, now seen corresponding path program 3 times [2018-11-18 12:04:23,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:23,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:23,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:23,643 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:23,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:23,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:23,700 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:23,707 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:04:23,718 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-18 12:04:23,718 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:23,719 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:23,751 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:23,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-18 12:04:23,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:04:23,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:04:23,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:04:23,752 INFO L87 Difference]: Start difference. First operand 15117 states and 21085 transitions. Second operand 7 states. [2018-11-18 12:04:24,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:24,036 INFO L93 Difference]: Finished difference Result 22172 states and 31235 transitions. [2018-11-18 12:04:24,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:04:24,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2018-11-18 12:04:24,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:24,051 INFO L225 Difference]: With dead ends: 22172 [2018-11-18 12:04:24,051 INFO L226 Difference]: Without dead ends: 22171 [2018-11-18 12:04:24,056 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:04:24,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22171 states. [2018-11-18 12:04:24,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22171 to 16451. [2018-11-18 12:04:24,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16451 states. [2018-11-18 12:04:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16451 states to 16451 states and 22951 transitions. [2018-11-18 12:04:24,359 INFO L78 Accepts]: Start accepts. Automaton has 16451 states and 22951 transitions. Word has length 60 [2018-11-18 12:04:24,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:24,359 INFO L480 AbstractCegarLoop]: Abstraction has 16451 states and 22951 transitions. [2018-11-18 12:04:24,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:04:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 16451 states and 22951 transitions. [2018-11-18 12:04:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 12:04:24,361 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:24,361 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:24,361 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:24,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:24,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1717205052, now seen corresponding path program 5 times [2018-11-18 12:04:24,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:24,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:24,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:24,363 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:24,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:24,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:24,434 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:24,456 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-18 12:04:24,492 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-18 12:04:24,492 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:24,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:24,513 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:24,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-18 12:04:24,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:04:24,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:04:24,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:04:24,514 INFO L87 Difference]: Start difference. First operand 16451 states and 22951 transitions. Second operand 8 states. [2018-11-18 12:04:24,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:24,809 INFO L93 Difference]: Finished difference Result 24218 states and 34362 transitions. [2018-11-18 12:04:24,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:04:24,809 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-11-18 12:04:24,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:24,828 INFO L225 Difference]: With dead ends: 24218 [2018-11-18 12:04:24,828 INFO L226 Difference]: Without dead ends: 24216 [2018-11-18 12:04:24,833 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:04:24,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24216 states. [2018-11-18 12:04:25,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24216 to 20289. [2018-11-18 12:04:25,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20289 states. [2018-11-18 12:04:25,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20289 states to 20289 states and 28180 transitions. [2018-11-18 12:04:25,199 INFO L78 Accepts]: Start accepts. Automaton has 20289 states and 28180 transitions. Word has length 64 [2018-11-18 12:04:25,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:25,199 INFO L480 AbstractCegarLoop]: Abstraction has 20289 states and 28180 transitions. [2018-11-18 12:04:25,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:04:25,199 INFO L276 IsEmpty]: Start isEmpty. Operand 20289 states and 28180 transitions. [2018-11-18 12:04:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 12:04:25,202 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:25,202 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:25,202 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:25,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:25,202 INFO L82 PathProgramCache]: Analyzing trace with hash -840726130, now seen corresponding path program 7 times [2018-11-18 12:04:25,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:25,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:25,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:25,203 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:25,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:25,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:25,272 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:25,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:25,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:25,358 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:25,376 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:25,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-18 12:04:25,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:04:25,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:04:25,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:04:25,377 INFO L87 Difference]: Start difference. First operand 20289 states and 28180 transitions. Second operand 10 states. [2018-11-18 12:04:25,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:25,714 INFO L93 Difference]: Finished difference Result 28015 states and 39542 transitions. [2018-11-18 12:04:25,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:04:25,714 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2018-11-18 12:04:25,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:25,735 INFO L225 Difference]: With dead ends: 28015 [2018-11-18 12:04:25,735 INFO L226 Difference]: Without dead ends: 28013 [2018-11-18 12:04:25,739 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:04:25,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28013 states. [2018-11-18 12:04:26,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28013 to 23851. [2018-11-18 12:04:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23851 states. [2018-11-18 12:04:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23851 states to 23851 states and 33013 transitions. [2018-11-18 12:04:26,121 INFO L78 Accepts]: Start accepts. Automaton has 23851 states and 33013 transitions. Word has length 68 [2018-11-18 12:04:26,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:26,121 INFO L480 AbstractCegarLoop]: Abstraction has 23851 states and 33013 transitions. [2018-11-18 12:04:26,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:04:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 23851 states and 33013 transitions. [2018-11-18 12:04:26,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 12:04:26,122 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:26,123 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:26,123 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:26,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:26,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1096613876, now seen corresponding path program 5 times [2018-11-18 12:04:26,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:26,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:26,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:26,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:26,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:26,194 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:26,194 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:26,202 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-18 12:04:26,220 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-18 12:04:26,221 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:26,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:26,229 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:26,254 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:26,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-18 12:04:26,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:04:26,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:04:26,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:04:26,254 INFO L87 Difference]: Start difference. First operand 23851 states and 33013 transitions. Second operand 9 states. [2018-11-18 12:04:26,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:26,729 INFO L93 Difference]: Finished difference Result 35167 states and 49144 transitions. [2018-11-18 12:04:26,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:04:26,729 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-11-18 12:04:26,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:26,756 INFO L225 Difference]: With dead ends: 35167 [2018-11-18 12:04:26,756 INFO L226 Difference]: Without dead ends: 35166 [2018-11-18 12:04:26,761 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:04:26,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35166 states. [2018-11-18 12:04:27,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35166 to 25341. [2018-11-18 12:04:27,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25341 states. [2018-11-18 12:04:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25341 states to 25341 states and 35098 transitions. [2018-11-18 12:04:27,256 INFO L78 Accepts]: Start accepts. Automaton has 25341 states and 35098 transitions. Word has length 68 [2018-11-18 12:04:27,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:27,256 INFO L480 AbstractCegarLoop]: Abstraction has 25341 states and 35098 transitions. [2018-11-18 12:04:27,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:04:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 25341 states and 35098 transitions. [2018-11-18 12:04:27,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 12:04:27,258 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:27,258 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:27,258 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:27,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:27,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1181636900, now seen corresponding path program 4 times [2018-11-18 12:04:27,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:27,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:27,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:27,259 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:27,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:27,319 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:27,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:27,319 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:27,332 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 12:04:27,358 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 12:04:27,358 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:27,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:27,380 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:27,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-18 12:04:27,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:04:27,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:04:27,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:04:27,381 INFO L87 Difference]: Start difference. First operand 25341 states and 35098 transitions. Second operand 8 states. [2018-11-18 12:04:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:27,818 INFO L93 Difference]: Finished difference Result 35917 states and 50266 transitions. [2018-11-18 12:04:27,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:04:27,819 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2018-11-18 12:04:27,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:27,849 INFO L225 Difference]: With dead ends: 35917 [2018-11-18 12:04:27,849 INFO L226 Difference]: Without dead ends: 35916 [2018-11-18 12:04:27,855 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:04:27,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35916 states. [2018-11-18 12:04:28,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35916 to 27007. [2018-11-18 12:04:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27007 states. [2018-11-18 12:04:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27007 states to 27007 states and 37422 transitions. [2018-11-18 12:04:28,419 INFO L78 Accepts]: Start accepts. Automaton has 27007 states and 37422 transitions. Word has length 71 [2018-11-18 12:04:28,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:28,419 INFO L480 AbstractCegarLoop]: Abstraction has 27007 states and 37422 transitions. [2018-11-18 12:04:28,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:04:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 27007 states and 37422 transitions. [2018-11-18 12:04:28,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 12:04:28,421 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:28,421 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:28,421 INFO L423 AbstractCegarLoop]: === Iteration 31 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:28,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:28,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1637723374, now seen corresponding path program 6 times [2018-11-18 12:04:28,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:28,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:28,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:28,422 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:28,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:28,510 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:28,510 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:28,516 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-18 12:04:28,531 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-18 12:04:28,531 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:28,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:28,555 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:28,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-18 12:04:28,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:04:28,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:04:28,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:04:28,556 INFO L87 Difference]: Start difference. First operand 27007 states and 37422 transitions. Second operand 9 states. [2018-11-18 12:04:29,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:29,014 INFO L93 Difference]: Finished difference Result 38471 states and 54211 transitions. [2018-11-18 12:04:29,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:04:29,015 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2018-11-18 12:04:29,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:29,044 INFO L225 Difference]: With dead ends: 38471 [2018-11-18 12:04:29,044 INFO L226 Difference]: Without dead ends: 38469 [2018-11-18 12:04:29,051 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:04:29,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38469 states. [2018-11-18 12:04:29,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38469 to 32634. [2018-11-18 12:04:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32634 states. [2018-11-18 12:04:29,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32634 states to 32634 states and 45046 transitions. [2018-11-18 12:04:29,697 INFO L78 Accepts]: Start accepts. Automaton has 32634 states and 45046 transitions. Word has length 74 [2018-11-18 12:04:29,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:29,697 INFO L480 AbstractCegarLoop]: Abstraction has 32634 states and 45046 transitions. [2018-11-18 12:04:29,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:04:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 32634 states and 45046 transitions. [2018-11-18 12:04:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 12:04:29,700 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:29,700 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:29,700 INFO L423 AbstractCegarLoop]: === Iteration 32 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:29,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:29,700 INFO L82 PathProgramCache]: Analyzing trace with hash -920314303, now seen corresponding path program 8 times [2018-11-18 12:04:29,700 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:29,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:29,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:29,701 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:29,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:29,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:29,806 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:29,812 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:04:29,824 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:04:29,824 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:29,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:29,846 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:29,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-18 12:04:29,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:04:29,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:04:29,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:04:29,847 INFO L87 Difference]: Start difference. First operand 32634 states and 45046 transitions. Second operand 11 states. [2018-11-18 12:04:30,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:30,330 INFO L93 Difference]: Finished difference Result 43991 states and 61696 transitions. [2018-11-18 12:04:30,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:04:30,331 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2018-11-18 12:04:30,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:30,367 INFO L225 Difference]: With dead ends: 43991 [2018-11-18 12:04:30,367 INFO L226 Difference]: Without dead ends: 43989 [2018-11-18 12:04:30,375 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:04:30,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43989 states. [2018-11-18 12:04:31,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43989 to 37888. [2018-11-18 12:04:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37888 states. [2018-11-18 12:04:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37888 states to 37888 states and 52141 transitions. [2018-11-18 12:04:31,087 INFO L78 Accepts]: Start accepts. Automaton has 37888 states and 52141 transitions. Word has length 76 [2018-11-18 12:04:31,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:31,088 INFO L480 AbstractCegarLoop]: Abstraction has 37888 states and 52141 transitions. [2018-11-18 12:04:31,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:04:31,088 INFO L276 IsEmpty]: Start isEmpty. Operand 37888 states and 52141 transitions. [2018-11-18 12:04:31,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 12:04:31,092 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:31,092 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:31,092 INFO L423 AbstractCegarLoop]: === Iteration 33 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:31,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:31,093 INFO L82 PathProgramCache]: Analyzing trace with hash 792505092, now seen corresponding path program 6 times [2018-11-18 12:04:31,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:31,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:31,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:31,094 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:31,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:31,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:31,187 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:31,194 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-18 12:04:31,207 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-18 12:04:31,207 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:31,209 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:31,233 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:31,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-18 12:04:31,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:04:31,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:04:31,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:04:31,233 INFO L87 Difference]: Start difference. First operand 37888 states and 52141 transitions. Second operand 10 states. [2018-11-18 12:04:31,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:31,923 INFO L93 Difference]: Finished difference Result 54536 states and 75804 transitions. [2018-11-18 12:04:31,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:04:31,923 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2018-11-18 12:04:31,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:31,966 INFO L225 Difference]: With dead ends: 54536 [2018-11-18 12:04:31,966 INFO L226 Difference]: Without dead ends: 54535 [2018-11-18 12:04:31,975 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:04:31,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54535 states. [2018-11-18 12:04:32,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54535 to 39807. [2018-11-18 12:04:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39807 states. [2018-11-18 12:04:32,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39807 states to 39807 states and 54817 transitions. [2018-11-18 12:04:32,741 INFO L78 Accepts]: Start accepts. Automaton has 39807 states and 54817 transitions. Word has length 77 [2018-11-18 12:04:32,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:32,741 INFO L480 AbstractCegarLoop]: Abstraction has 39807 states and 54817 transitions. [2018-11-18 12:04:32,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:04:32,741 INFO L276 IsEmpty]: Start isEmpty. Operand 39807 states and 54817 transitions. [2018-11-18 12:04:32,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 12:04:32,744 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:32,744 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:32,744 INFO L423 AbstractCegarLoop]: === Iteration 34 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:32,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:32,744 INFO L82 PathProgramCache]: Analyzing trace with hash 160642741, now seen corresponding path program 5 times [2018-11-18 12:04:32,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:32,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:32,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:32,745 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:32,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:32,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:32,804 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:32,817 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-18 12:04:32,831 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-18 12:04:32,831 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:32,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:32,842 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:32,857 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:32,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-18 12:04:32,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:04:32,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:04:32,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:04:32,857 INFO L87 Difference]: Start difference. First operand 39807 states and 54817 transitions. Second operand 9 states. [2018-11-18 12:04:33,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:33,613 INFO L93 Difference]: Finished difference Result 54859 states and 76349 transitions. [2018-11-18 12:04:33,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:04:33,614 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2018-11-18 12:04:33,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:33,656 INFO L225 Difference]: With dead ends: 54859 [2018-11-18 12:04:33,656 INFO L226 Difference]: Without dead ends: 54858 [2018-11-18 12:04:33,664 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:04:33,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54858 states. [2018-11-18 12:04:34,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54858 to 41839. [2018-11-18 12:04:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41839 states. [2018-11-18 12:04:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41839 states to 41839 states and 57645 transitions. [2018-11-18 12:04:34,428 INFO L78 Accepts]: Start accepts. Automaton has 41839 states and 57645 transitions. Word has length 82 [2018-11-18 12:04:34,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:34,428 INFO L480 AbstractCegarLoop]: Abstraction has 41839 states and 57645 transitions. [2018-11-18 12:04:34,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:04:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 41839 states and 57645 transitions. [2018-11-18 12:04:34,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:04:34,431 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:34,431 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:34,431 INFO L423 AbstractCegarLoop]: === Iteration 35 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:34,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:34,431 INFO L82 PathProgramCache]: Analyzing trace with hash 795627508, now seen corresponding path program 9 times [2018-11-18 12:04:34,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:34,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:34,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:34,432 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:34,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:34,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:34,519 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:34,529 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:04:34,550 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-18 12:04:34,550 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:34,551 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:34,573 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:34,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-18 12:04:34,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 12:04:34,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 12:04:34,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:04:34,574 INFO L87 Difference]: Start difference. First operand 41839 states and 57645 transitions. Second operand 12 states. [2018-11-18 12:04:35,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:35,317 INFO L93 Difference]: Finished difference Result 55263 states and 77324 transitions. [2018-11-18 12:04:35,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:04:35,317 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2018-11-18 12:04:35,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:35,365 INFO L225 Difference]: With dead ends: 55263 [2018-11-18 12:04:35,365 INFO L226 Difference]: Without dead ends: 55261 [2018-11-18 12:04:35,374 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:04:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55261 states. [2018-11-18 12:04:36,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55261 to 48062. [2018-11-18 12:04:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48062 states. [2018-11-18 12:04:36,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48062 states to 48062 states and 66044 transitions. [2018-11-18 12:04:36,332 INFO L78 Accepts]: Start accepts. Automaton has 48062 states and 66044 transitions. Word has length 84 [2018-11-18 12:04:36,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:36,333 INFO L480 AbstractCegarLoop]: Abstraction has 48062 states and 66044 transitions. [2018-11-18 12:04:36,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 12:04:36,333 INFO L276 IsEmpty]: Start isEmpty. Operand 48062 states and 66044 transitions. [2018-11-18 12:04:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:04:36,335 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:36,335 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:36,336 INFO L423 AbstractCegarLoop]: === Iteration 36 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:36,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:36,336 INFO L82 PathProgramCache]: Analyzing trace with hash 250668440, now seen corresponding path program 7 times [2018-11-18 12:04:36,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:36,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:36,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:36,336 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:36,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:36,476 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:36,476 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:36,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:36,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:36,519 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:36,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-18 12:04:36,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:04:36,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:04:36,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:04:36,520 INFO L87 Difference]: Start difference. First operand 48062 states and 66044 transitions. Second operand 10 states. [2018-11-18 12:04:37,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:37,308 INFO L93 Difference]: Finished difference Result 66587 states and 93042 transitions. [2018-11-18 12:04:37,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:04:37,309 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-18 12:04:37,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:37,363 INFO L225 Difference]: With dead ends: 66587 [2018-11-18 12:04:37,363 INFO L226 Difference]: Without dead ends: 66585 [2018-11-18 12:04:37,372 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:04:37,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66585 states. [2018-11-18 12:04:38,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66585 to 57114. [2018-11-18 12:04:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57114 states. [2018-11-18 12:04:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57114 states to 57114 states and 78223 transitions. [2018-11-18 12:04:38,496 INFO L78 Accepts]: Start accepts. Automaton has 57114 states and 78223 transitions. Word has length 84 [2018-11-18 12:04:38,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:38,496 INFO L480 AbstractCegarLoop]: Abstraction has 57114 states and 78223 transitions. [2018-11-18 12:04:38,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:04:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 57114 states and 78223 transitions. [2018-11-18 12:04:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 12:04:38,499 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:38,499 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:38,499 INFO L423 AbstractCegarLoop]: === Iteration 37 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:38,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:38,499 INFO L82 PathProgramCache]: Analyzing trace with hash -955787508, now seen corresponding path program 7 times [2018-11-18 12:04:38,500 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:38,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:38,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:38,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:38,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:38,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:38,576 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:38,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:38,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:38,617 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:38,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-18 12:04:38,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:04:38,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:04:38,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:04:38,618 INFO L87 Difference]: Start difference. First operand 57114 states and 78223 transitions. Second operand 11 states. [2018-11-18 12:04:39,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:39,493 INFO L93 Difference]: Finished difference Result 80500 states and 111382 transitions. [2018-11-18 12:04:39,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:04:39,493 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2018-11-18 12:04:39,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:39,559 INFO L225 Difference]: With dead ends: 80500 [2018-11-18 12:04:39,559 INFO L226 Difference]: Without dead ends: 80499 [2018-11-18 12:04:39,572 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:04:39,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80499 states. [2018-11-18 12:04:40,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80499 to 59511. [2018-11-18 12:04:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59511 states. [2018-11-18 12:04:41,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59511 states to 59511 states and 81556 transitions. [2018-11-18 12:04:41,037 INFO L78 Accepts]: Start accepts. Automaton has 59511 states and 81556 transitions. Word has length 86 [2018-11-18 12:04:41,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:41,037 INFO L480 AbstractCegarLoop]: Abstraction has 59511 states and 81556 transitions. [2018-11-18 12:04:41,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:04:41,037 INFO L276 IsEmpty]: Start isEmpty. Operand 59511 states and 81556 transitions. [2018-11-18 12:04:41,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 12:04:41,041 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:41,041 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:41,041 INFO L423 AbstractCegarLoop]: === Iteration 38 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:41,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:41,041 INFO L82 PathProgramCache]: Analyzing trace with hash 600579751, now seen corresponding path program 10 times [2018-11-18 12:04:41,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:41,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:41,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:41,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:41,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:41,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:41,109 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:41,117 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 12:04:41,137 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 12:04:41,138 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:41,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:41,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:04:41,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 24 [2018-11-18 12:04:41,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-18 12:04:41,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-18 12:04:41,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2018-11-18 12:04:41,324 INFO L87 Difference]: Start difference. First operand 59511 states and 81556 transitions. Second operand 24 states. [2018-11-18 12:04:42,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:42,792 INFO L93 Difference]: Finished difference Result 80319 states and 108676 transitions. [2018-11-18 12:04:42,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-11-18 12:04:42,793 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 92 [2018-11-18 12:04:42,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:42,794 INFO L225 Difference]: With dead ends: 80319 [2018-11-18 12:04:42,794 INFO L226 Difference]: Without dead ends: 1490 [2018-11-18 12:04:42,845 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2362 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=2234, Invalid=5776, Unknown=0, NotChecked=0, Total=8010 [2018-11-18 12:04:42,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2018-11-18 12:04:42,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 638. [2018-11-18 12:04:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2018-11-18 12:04:42,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 753 transitions. [2018-11-18 12:04:42,871 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 753 transitions. Word has length 92 [2018-11-18 12:04:42,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:42,871 INFO L480 AbstractCegarLoop]: Abstraction has 638 states and 753 transitions. [2018-11-18 12:04:42,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-18 12:04:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 753 transitions. [2018-11-18 12:04:42,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 12:04:42,872 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:42,872 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:42,873 INFO L423 AbstractCegarLoop]: === Iteration 39 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:42,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:42,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1599136900, now seen corresponding path program 6 times [2018-11-18 12:04:42,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:42,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:42,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:42,874 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:42,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:42,956 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:42,956 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:42,962 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-18 12:04:42,974 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-18 12:04:42,974 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:42,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:42,997 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:42,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-18 12:04:42,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:04:42,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:04:42,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:04:42,998 INFO L87 Difference]: Start difference. First operand 638 states and 753 transitions. Second operand 10 states. [2018-11-18 12:04:43,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:43,043 INFO L93 Difference]: Finished difference Result 719 states and 846 transitions. [2018-11-18 12:04:43,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:04:43,043 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2018-11-18 12:04:43,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:43,043 INFO L225 Difference]: With dead ends: 719 [2018-11-18 12:04:43,043 INFO L226 Difference]: Without dead ends: 545 [2018-11-18 12:04:43,044 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:04:43,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-18 12:04:43,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 532. [2018-11-18 12:04:43,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2018-11-18 12:04:43,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 607 transitions. [2018-11-18 12:04:43,058 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 607 transitions. Word has length 93 [2018-11-18 12:04:43,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:43,058 INFO L480 AbstractCegarLoop]: Abstraction has 532 states and 607 transitions. [2018-11-18 12:04:43,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:04:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 607 transitions. [2018-11-18 12:04:43,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 12:04:43,059 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:43,059 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:43,059 INFO L423 AbstractCegarLoop]: === Iteration 40 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:43,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:43,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1467797954, now seen corresponding path program 8 times [2018-11-18 12:04:43,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:43,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:43,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:43,060 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:43,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:43,105 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:43,105 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:43,105 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:43,112 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:04:43,123 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:04:43,124 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:43,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:43,133 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:43,148 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:43,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-18 12:04:43,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:04:43,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:04:43,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:04:43,149 INFO L87 Difference]: Start difference. First operand 532 states and 607 transitions. Second operand 11 states. [2018-11-18 12:04:43,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:43,186 INFO L93 Difference]: Finished difference Result 570 states and 645 transitions. [2018-11-18 12:04:43,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:04:43,186 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2018-11-18 12:04:43,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:43,187 INFO L225 Difference]: With dead ends: 570 [2018-11-18 12:04:43,187 INFO L226 Difference]: Without dead ends: 433 [2018-11-18 12:04:43,187 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:04:43,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-11-18 12:04:43,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 419. [2018-11-18 12:04:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-18 12:04:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 457 transitions. [2018-11-18 12:04:43,197 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 457 transitions. Word has length 94 [2018-11-18 12:04:43,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:43,198 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 457 transitions. [2018-11-18 12:04:43,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:04:43,198 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 457 transitions. [2018-11-18 12:04:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 12:04:43,198 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:43,198 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:43,199 INFO L423 AbstractCegarLoop]: === Iteration 41 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:43,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:43,199 INFO L82 PathProgramCache]: Analyzing trace with hash 89764868, now seen corresponding path program 8 times [2018-11-18 12:04:43,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:43,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:43,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:43,200 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:43,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:43,279 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:43,279 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:43,285 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:04:43,297 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:04:43,297 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:43,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:43,321 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:43,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-18 12:04:43,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 12:04:43,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 12:04:43,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:04:43,322 INFO L87 Difference]: Start difference. First operand 419 states and 457 transitions. Second operand 12 states. [2018-11-18 12:04:43,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:43,350 INFO L93 Difference]: Finished difference Result 512 states and 549 transitions. [2018-11-18 12:04:43,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:04:43,351 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2018-11-18 12:04:43,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:43,351 INFO L225 Difference]: With dead ends: 512 [2018-11-18 12:04:43,352 INFO L226 Difference]: Without dead ends: 437 [2018-11-18 12:04:43,352 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:04:43,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-11-18 12:04:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 337. [2018-11-18 12:04:43,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-11-18 12:04:43,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 375 transitions. [2018-11-18 12:04:43,363 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 375 transitions. Word has length 95 [2018-11-18 12:04:43,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:43,363 INFO L480 AbstractCegarLoop]: Abstraction has 337 states and 375 transitions. [2018-11-18 12:04:43,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 12:04:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 375 transitions. [2018-11-18 12:04:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 12:04:43,364 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:43,364 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:43,365 INFO L423 AbstractCegarLoop]: === Iteration 42 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:43,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:43,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1188679509, now seen corresponding path program 7 times [2018-11-18 12:04:43,365 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:43,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:43,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:43,366 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:43,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:43,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:43,433 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:43,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:43,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:43,479 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:43,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-18 12:04:43,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:04:43,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:04:43,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:04:43,480 INFO L87 Difference]: Start difference. First operand 337 states and 375 transitions. Second operand 11 states. [2018-11-18 12:04:43,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:43,513 INFO L93 Difference]: Finished difference Result 360 states and 397 transitions. [2018-11-18 12:04:43,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:04:43,513 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 104 [2018-11-18 12:04:43,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:43,513 INFO L225 Difference]: With dead ends: 360 [2018-11-18 12:04:43,514 INFO L226 Difference]: Without dead ends: 211 [2018-11-18 12:04:43,514 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:04:43,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-18 12:04:43,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-11-18 12:04:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-18 12:04:43,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 210 transitions. [2018-11-18 12:04:43,520 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 210 transitions. Word has length 104 [2018-11-18 12:04:43,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:43,520 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 210 transitions. [2018-11-18 12:04:43,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:04:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 210 transitions. [2018-11-18 12:04:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 12:04:43,521 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:43,521 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:43,521 INFO L423 AbstractCegarLoop]: === Iteration 43 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:43,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:43,521 INFO L82 PathProgramCache]: Analyzing trace with hash -258535060, now seen corresponding path program 9 times [2018-11-18 12:04:43,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:43,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:43,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:43,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:43,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:43,583 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:43,583 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:43,589 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:04:43,604 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-18 12:04:43,604 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:43,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:43,614 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:43,629 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:43,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-18 12:04:43,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 12:04:43,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 12:04:43,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:04:43,630 INFO L87 Difference]: Start difference. First operand 211 states and 210 transitions. Second operand 12 states. [2018-11-18 12:04:43,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:43,647 INFO L93 Difference]: Finished difference Result 211 states and 210 transitions. [2018-11-18 12:04:43,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:04:43,648 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 104 [2018-11-18 12:04:43,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:43,648 INFO L225 Difference]: With dead ends: 211 [2018-11-18 12:04:43,648 INFO L226 Difference]: Without dead ends: 116 [2018-11-18 12:04:43,648 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:04:43,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-18 12:04:43,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-18 12:04:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-18 12:04:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 115 transitions. [2018-11-18 12:04:43,653 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 115 transitions. Word has length 104 [2018-11-18 12:04:43,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:43,653 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 115 transitions. [2018-11-18 12:04:43,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 12:04:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 115 transitions. [2018-11-18 12:04:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 12:04:43,653 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:43,654 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:43,654 INFO L423 AbstractCegarLoop]: === Iteration 44 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:04:43,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:43,654 INFO L82 PathProgramCache]: Analyzing trace with hash -2088589340, now seen corresponding path program 8 times [2018-11-18 12:04:43,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:04:43,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:04:43,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:43,655 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:04:43,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:04:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:43,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:04:43,720 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:43,727 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:04:43,740 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:04:43,741 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:04:43,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:04:43,767 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:43,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-18 12:04:43,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 12:04:43,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 12:04:43,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:04:43,768 INFO L87 Difference]: Start difference. First operand 116 states and 115 transitions. Second operand 12 states. [2018-11-18 12:04:43,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:43,782 INFO L93 Difference]: Finished difference Result 116 states and 115 transitions. [2018-11-18 12:04:43,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:04:43,782 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2018-11-18 12:04:43,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:43,782 INFO L225 Difference]: With dead ends: 116 [2018-11-18 12:04:43,782 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:04:43,783 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:04:43,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:04:43,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:04:43,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:04:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:04:43,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 115 [2018-11-18 12:04:43,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:43,784 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:04:43,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 12:04:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:04:43,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:04:43,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:04:44,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:44,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:44,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:44,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:44,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:44,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:44,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:45,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:45,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:45,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:45,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:45,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:45,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:45,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:46,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:46,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:46,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:46,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:46,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:47,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:47,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:47,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:48,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:49,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:49,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:49,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:50,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:50,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:50,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:50,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:52,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:52,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:52,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:53,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:54,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:54,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:56,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:56,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:56,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:56,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:56,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:56,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:56,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:57,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:57,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:57,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:57,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:58,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:58,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:58,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:58,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:58,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:58,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:58,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:59,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:59,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:04:59,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:00,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:01,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:01,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:01,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:02,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:03,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:06,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:06,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:06,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:09,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:09,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:10,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:13,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:14,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:14,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:15,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:15,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:15,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:17,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:17,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:17,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:19,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:19,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:21,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:21,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:22,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:22,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:23,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:23,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:05:23,805 WARN L180 SmtUtils]: Spent 40.00 s on a formula simplification. DAG size of input: 4621 DAG size of output: 2642 [2018-11-18 12:06:18,578 WARN L180 SmtUtils]: Spent 54.73 s on a formula simplification. DAG size of input: 2240 DAG size of output: 379 [2018-11-18 12:06:18,582 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 12:06:18,582 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:06:18,582 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:06:18,582 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:06:18,582 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:06:18,582 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:06:18,582 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-18 12:06:18,582 INFO L425 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-18 12:06:18,582 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-11-18 12:06:18,582 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2018-11-18 12:06:18,582 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 33) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point L19-3(lines 19 33) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-18 12:06:18,583 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-18 12:06:18,584 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-18 12:06:18,584 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-11-18 12:06:18,584 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-18 12:06:18,584 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-18 12:06:18,584 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-11-18 12:06:18,584 INFO L425 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-11-18 12:06:18,584 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-18 12:06:18,584 INFO L425 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-11-18 12:06:18,584 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-18 12:06:18,584 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 32) no Hoare annotation was computed. [2018-11-18 12:06:18,586 INFO L421 ceAbstractionStarter]: At program point L22-1(lines 19 33) the Hoare annotation is: (let ((.cse20 (<= main_~x~0 2)) (.cse16 (<= main_~y~0 0)) (.cse68 (<= 0 (+ main_~x~0 2))) (.cse11 (<= main_~y~0 2)) (.cse19 (<= main_~x~0 0)) (.cse3 (<= 0 main_~y~0)) (.cse7 (<= 0 main_~x~0)) (.cse71 (<= 0 (+ main_~x~0 2147483648))) (.cse63 (<= 0 main_~i~0)) (.cse6 (<= main_~N~0 10)) (.cse73 (<= 0 (+ main_~y~0 2147483648)))) (let ((.cse13 (<= 0 (+ main_~y~0 1))) (.cse56 (<= main_~y~0 3)) (.cse42 (<= main_~x~0 3)) (.cse27 (and .cse71 .cse63 .cse6 .cse73)) (.cse67 (and .cse63 .cse6 .cse7 .cse73)) (.cse69 (and .cse71 .cse63 .cse3 .cse6)) (.cse31 (<= 0 (+ main_~x~0 4))) (.cse23 (<= 0 (+ main_~x~0 1))) (.cse24 (<= main_~x~0 1)) (.cse10 (<= 8 main_~i~0)) (.cse55 (and .cse71 .cse63 .cse19 .cse6 .cse73)) (.cse50 (and .cse71 .cse63 .cse3 .cse11 .cse6)) (.cse54 (<= 0 (+ main_~x~0 3))) (.cse17 (and .cse68 .cse63 .cse6 .cse73)) (.cse28 (<= 9 main_~i~0)) (.cse2 (and .cse63 .cse20 .cse6 .cse73 .cse7 .cse16))) (let ((.cse45 (or (and .cse28 (and .cse17 .cse16) .cse19) (and .cse28 .cse2))) (.cse40 (<= 0 (+ main_~y~0 7))) (.cse33 (and .cse54 .cse63 .cse3 .cse19 .cse6)) (.cse37 (or .cse55 .cse50)) (.cse53 (or (and .cse10 .cse23 .cse19 .cse6 .cse73 .cse16) (and .cse24 .cse10 .cse6 .cse7 .cse73 .cse16))) (.cse41 (and .cse69 .cse31)) (.cse57 (and .cse3 .cse67)) (.cse66 (and .cse31 .cse27 .cse19 .cse16)) (.cse38 (<= 1 main_~i~0)) (.cse70 (and .cse42 .cse3 .cse67)) (.cse47 (<= main_~y~0 7)) (.cse25 (<= main_~x~0 9)) (.cse60 (and .cse63 .cse3 .cse19 .cse6 .cse7)) (.cse59 (and .cse71 .cse63 .cse6)) (.cse22 (<= 0 (+ main_~y~0 4))) (.cse49 (<= 0 (+ main_~x~0 8))) (.cse14 (<= 5 main_~i~0)) (.cse18 (<= 4 main_~i~0)) (.cse5 (<= main_~y~0 1)) (.cse51 (and .cse69 .cse56)) (.cse46 (<= main_~y~0 6)) (.cse39 (or (and .cse24 .cse28 .cse3 .cse6 .cse7) (and .cse28 .cse3 .cse23 .cse19 .cse6))) (.cse72 (<= main_~y~0 8)) (.cse43 (<= 3 main_~i~0)) (.cse58 (and .cse68 .cse63 .cse3 .cse19 .cse6)) (.cse32 (<= main_~y~0 5)) (.cse30 (and .cse71 .cse13 .cse63 .cse19 .cse6)) (.cse35 (<= 0 (+ main_~x~0 6))) (.cse34 (<= 0 (+ main_~y~0 3))) (.cse64 (and .cse54 .cse27 .cse19)) (.cse65 (<= 0 (+ main_~y~0 6))) (.cse62 (and .cse27 .cse42)) (.cse44 (<= main_~x~0 8)) (.cse26 (<= 10 main_~i~0)) (.cse29 (<= main_~x~0 7)) (.cse61 (<= 2 main_~i~0)) (.cse36 (<= main_~y~0 4)) (.cse52 (<= 0 (+ main_~x~0 5))) (.cse48 (<= 0 (+ main_~x~0 7))) (.cse1 (<= 0 (+ main_~y~0 5))) (.cse15 (<= main_~x~0 4)) (.cse0 (<= 7 main_~i~0)) (.cse21 (<= 0 (+ main_~y~0 2))) (.cse8 (<= main_~x~0 5)) (.cse9 (<= main_~x~0 6)) (.cse4 (<= 6 main_~i~0)) (.cse12 (and .cse63 .cse6))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse3 .cse10 .cse11 .cse12 .cse7) (and .cse13 .cse14 .cse15 .cse6 .cse7 .cse16) (and (or (and .cse17 .cse18 .cse19 .cse16) (and .cse18 .cse20 .cse6 .cse7 .cse16)) .cse21) (and .cse22 (or (and .cse14 .cse23 .cse19 .cse6 .cse16) (and .cse14 .cse24 .cse6 .cse7 .cse16))) (and .cse25 .cse3 .cse5 .cse6 .cse7 .cse26) (and .cse27 .cse28 .cse29 .cse21 .cse7 .cse16) (and .cse30 .cse31 .cse14 .cse16) (and .cse0 .cse3 .cse32 .cse20 .cse12 .cse7) (and .cse33 .cse10 .cse32) (and .cse27 .cse28 .cse9 .cse34 .cse7 .cse16) (and .cse35 .cse27 .cse10 .cse21 .cse19 .cse16) (and .cse36 .cse3 .cse10 .cse15 .cse12 .cse7) (and .cse0 .cse9 .cse3 .cse5 .cse6 .cse7) (and .cse31 .cse3 .cse11 .cse4 .cse19 .cse37) (and .cse38 .cse13 .cse19 .cse6 .cse7 .cse16) (and (<= main_~y~0 9) .cse39 .cse7) (and .cse0 .cse40 .cse19 .cse6 .cse7 .cse16) (and .cse28 (and .cse32 .cse41) .cse19) (and .cse0 .cse34 .cse7 (and .cse27 .cse15) .cse16) (and .cse42 .cse3 .cse43 .cse12 .cse7 .cse16) (and .cse27 .cse44 .cse21 .cse7 .cse26 .cse16) (and (<= 0 (+ main_~y~0 9)) (and .cse45 .cse23)) (and .cse43 .cse34 .cse19 .cse6 .cse7 .cse16) (and .cse46 .cse3 .cse15 .cse12 .cse7 .cse26) (and .cse3 .cse15 .cse11 .cse4 .cse12 .cse7) (and .cse33 .cse47 .cse26) (and .cse27 .cse34 .cse19 .cse48 .cse26 .cse16) (and .cse49 .cse50 .cse19 .cse26) (and .cse3 .cse29 .cse10 .cse5 .cse6 .cse7) (and .cse51 .cse52 .cse10 .cse19) (and .cse40 .cse45) (and (or (and .cse24 .cse3 .cse10 .cse6 .cse7) (and .cse10 .cse3 .cse23 .cse19 .cse6)) .cse47) (and .cse0 .cse31 .cse27 .cse34 .cse19 .cse16) (and .cse38 .cse3 .cse19 .cse5 .cse6 .cse7) (and .cse27 .cse10 .cse34 .cse7 .cse16 .cse8) (and .cse40 .cse53) (and .cse54 .cse14 .cse3 .cse11 .cse55) (and .cse52 .cse30 .cse4 .cse16) (and .cse28 .cse9 .cse56 .cse57) (and .cse58 .cse18 .cse11) (and .cse28 .cse35 .cse27 .cse34 .cse19 .cse16) (and .cse46 .cse3 .cse10 .cse20 .cse12 .cse7) (and .cse54 .cse56 .cse3 .cse4 .cse19 .cse6) (and .cse27 .cse15 .cse4 .cse21 .cse7 .cse16) (and .cse36 .cse28 .cse3 .cse12 .cse7 .cse8) (and .cse52 .cse14 .cse3 .cse19 .cse59 .cse16) (and .cse27 .cse1 .cse7 .cse26 .cse16 .cse8) (and .cse27 .cse42 .cse14 .cse21 .cse7 .cse16) (and .cse14 .cse3 .cse15 .cse5 .cse6 .cse7) (and .cse28 .cse50 .cse19 .cse48) (and .cse13 .cse42 .cse18 .cse6 .cse7 .cse16) (and .cse22 .cse18 .cse19 .cse6 .cse7 .cse16) (and .cse0 .cse60 .cse47) (and (or (and .cse3 .cse23 .cse4 .cse19 .cse6) (and .cse24 .cse3 .cse4 .cse6 .cse7)) .cse32) (and .cse28 .cse3 .cse19 .cse59 (<= 0 (+ main_~x~0 9)) .cse16) (and .cse36 (and (and .cse42 .cse3 .cse6) .cse7) .cse0) (and .cse13 .cse28 .cse44 .cse6 .cse7 .cse16) (and (or (and .cse61 .cse24 .cse3 .cse6 .cse7) (and .cse61 .cse3 .cse23 .cse19 .cse6)) .cse5) (and .cse7 .cse26 (and .cse62 .cse16)) (and .cse63 .cse3 .cse19 .cse6 .cse7 .cse16) (and .cse0 .cse31 .cse51 .cse19) (and .cse4 .cse34 .cse62 .cse7 .cse16) (and (and .cse64 .cse16) .cse26) (and .cse0 .cse52 .cse27 .cse21 .cse19 .cse16) (and .cse0 (and .cse36 .cse33)) (and .cse31 (and .cse36 .cse6) .cse3 .cse10 .cse19) (and .cse1 .cse14 .cse19 .cse6 .cse7 .cse16) (and .cse14 .cse58 .cse56) (and .cse28 .cse47 .cse3 .cse20 .cse12 .cse7) (and .cse61 .cse3 .cse20 .cse6 .cse7 .cse16) (and .cse33 .cse28 .cse46) (and .cse28 .cse3 .cse32 .cse15 .cse12 .cse7) (and .cse22 .cse27 .cse9 .cse7 .cse26 .cse16) (and .cse60 .cse46 .cse4) (and (and .cse56 .cse57) .cse10 .cse8) (and .cse0 .cse35 .cse3 .cse19 .cse5 .cse6) (and .cse14 .cse3 .cse12 .cse7 .cse16 .cse8) (and .cse58 .cse26) (and (and (or (and .cse0 .cse23 .cse19 .cse6) (and .cse0 .cse24 .cse6 .cse7)) .cse16) .cse65) (and .cse66 .cse65 .cse26) (and .cse0 .cse52 (and .cse3 .cse11 .cse37) .cse19) (and .cse22 .cse27 .cse28 .cse7 .cse16 .cse8) (and (or (and .cse14 .cse17 .cse19 .cse16) (and .cse2 .cse14)) .cse34) (and .cse4 .cse65 .cse19 .cse6 .cse7 .cse16) (and (<= main_~x~0 10) .cse3 .cse12 .cse7 .cse26 .cse16) (and .cse22 .cse10 .cse15 .cse67 .cse16) (and .cse0 .cse3 .cse48 .cse19 .cse59 .cse16) (and .cse22 .cse4 .cse2) (and .cse49 .cse28 .cse3 .cse19 .cse5 .cse6) (and .cse53 (<= 0 (+ main_~y~0 8)) .cse7) (and .cse1 .cse28 .cse66) (and .cse49 .cse10 .cse3 .cse19 .cse59 .cse16) (and .cse0 .cse46 .cse3 .cse23 .cse19 .cse6) (and .cse60 .cse56 .cse43) (and .cse35 .cse10 .cse50 .cse19) (and .cse68 .cse30 .cse43 .cse16) (and .cse1 (and .cse52 .cse19 .cse6) .cse26 .cse16) (and .cse52 .cse3 .cse4 .cse19 .cse5 .cse6) (and .cse36 .cse14 .cse3 .cse23 .cse19 .cse6) (and (or (and .cse10 .cse17 .cse19 .cse16) (and .cse10 .cse2)) .cse65) (and .cse69 .cse52 .cse32 .cse19 .cse26) (and .cse22 .cse52 .cse28 .cse27 .cse19 .cse16) (and .cse56 (or (and .cse18 .cse3 .cse23 .cse19 .cse6) (and .cse24 .cse18 .cse3 .cse6 .cse7))) (and .cse13 .cse0 .cse9 .cse6 .cse7 .cse16) (and (or (and .cse24 .cse3 .cse43 .cse6 .cse7) (and .cse3 .cse23 .cse43 .cse19 .cse6)) .cse11) (and .cse31 .cse27 .cse4 .cse21 .cse19 .cse16) (and .cse22 .cse17 .cse4 .cse19 .cse16) (and .cse60 .cse14 .cse32) (and .cse31 .cse14 .cse3 .cse19 .cse5 .cse6) (and .cse28 .cse46 .cse70) (and .cse46 .cse19 .cse26 .cse41) (and (or (and .cse1 .cse23 .cse4 .cse19 .cse6) (and .cse1 .cse24 .cse4 .cse6 .cse7)) .cse16) (and .cse54 .cse3 .cse43 .cse19 .cse59 .cse16) (and .cse29 .cse56 .cse57 .cse26) (and .cse22 .cse10 .cse66) (and (or (and .cse38 .cse24 .cse6 .cse7 .cse16) (and .cse38 .cse23 .cse19 .cse6 .cse16)) .cse3) (and .cse3 .cse20 .cse43 .cse5 .cse6 .cse7) (and .cse28 .cse3 .cse44 .cse5 .cse6 .cse7) (and .cse22 .cse35 .cse27 .cse19 .cse26 .cse16) (and .cse35 .cse3 .cse4 .cse19 .cse59 .cse16) (and .cse18 .cse3 .cse15 .cse12 .cse7 .cse16) (and .cse28 .cse62 .cse65 .cse7 .cse16) (and .cse42 .cse14 .cse3 .cse11 .cse12 .cse7) (and .cse13 .cse20 .cse43 .cse6 .cse7 .cse16) (and .cse28 .cse58 .cse47) (and .cse1 .cse64 .cse10 .cse16) (and .cse36 .cse58 .cse4) (and .cse30 .cse26 .cse16) (and .cse61 .cse21 .cse19 .cse6 .cse7 .cse16) (and .cse36 .cse9 .cse3 .cse12 .cse7 .cse26) (and .cse35 (and .cse36 .cse69) .cse19 .cse26) (and .cse36 .cse60 .cse18) (and .cse51 .cse28 .cse35 .cse19) (and .cse13 .cse4 .cse6 .cse7 .cse16 .cse8) (and .cse22 .cse0 .cse62 .cse7 .cse16) (and .cse70 .cse47 .cse26) (and .cse3 .cse44 .cse10 .cse12 .cse7 .cse16) (and .cse18 .cse3 .cse11 .cse20 .cse12 .cse7) (and .cse49 .cse30 .cse28 .cse16) (and .cse0 .cse1 .cse17 .cse19 .cse16) (and .cse15 .cse65 .cse67 .cse26 .cse16) (and .cse3 .cse20 .cse12 .cse7 .cse26) (and .cse31 .cse18 .cse3 .cse19 .cse59 .cse16) (and .cse12 .cse14 .cse3 .cse56 .cse20 .cse7) (and .cse27 .cse29 .cse34 .cse7 .cse26 .cse16) (and .cse25 .cse13 .cse6 .cse7 .cse26 .cse16) (and .cse25 .cse28 .cse3 .cse12 .cse7 .cse16) (and .cse30 .cse10 .cse48 .cse16) (and .cse3 .cse32 .cse12 .cse7 .cse26 .cse8) (and .cse3 .cse10 .cse32 (and .cse42 .cse67)) (and .cse54 .cse14 .cse27 .cse21 .cse19 .cse16) (and .cse42 .cse18 .cse3 .cse5 .cse6 .cse7) (and .cse27 .cse9 .cse10 .cse21 .cse7 .cse16) (and .cse52 .cse27 .cse10 .cse34 .cse19 .cse16) (and .cse71 .cse3 .cse19 .cse5 .cse6 .cse26) (and .cse60 .cse10 .cse72) (and (or (and .cse18 .cse23 .cse19 .cse6 .cse16) (and .cse24 .cse18 .cse6 .cse7 .cse16)) .cse34) (and .cse68 .cse61 .cse3 .cse19 .cse59 .cse16) (and (and .cse42 .cse3 .cse56 .cse67) .cse4) (and .cse0 (and .cse3 .cse56 .cse15 .cse12) .cse7) (and .cse22 .cse0 .cse64 .cse16) (and .cse49 .cse27 .cse21 .cse19 .cse26 .cse16) (and .cse68 .cse3 .cse43 .cse19 .cse5 .cse6) (and .cse54 .cse18 .cse3 .cse19 .cse5 .cse6) (and .cse0 .cse3 .cse11 .cse12 .cse7 .cse8) (and .cse36 .cse24 .cse14 .cse3 .cse6 .cse7) (and .cse61 .cse3 .cse11 .cse19 .cse6 .cse7) (and .cse54 .cse30 .cse18 .cse16) (and .cse0 .cse24 .cse46 .cse3 .cse6 .cse7) (and .cse3 .cse10 .cse19 .cse5 .cse48 .cse6) (and .cse51 .cse19 .cse48 .cse26) (and .cse58 .cse46 .cse10) (and .cse39 .cse72) (and (and (or (and .cse24 .cse43 .cse6 .cse7) (and .cse23 .cse43 .cse19 .cse6)) .cse16) .cse21) (and .cse0 .cse58 .cse32) (and .cse28 .cse3 .cse29 .cse11 .cse12 .cse7) (and .cse0 .cse30 .cse35 .cse16) (and .cse64 .cse4 .cse34 .cse16) (and .cse28 .cse64 .cse65 .cse16) (and .cse36 .cse3 .cse20 .cse12 .cse4 .cse7) (and .cse1 .cse10 .cse62 .cse7 .cse16) (and .cse3 .cse44 .cse11 .cse12 .cse7 .cse26) (and .cse0 (and .cse3 .cse29 .cse12 .cse7) .cse16) (and .cse13 .cse29 .cse10 .cse6 .cse7 .cse16) (and .cse13 (or (and .cse61 .cse24 .cse6 .cse7) (and .cse61 .cse23 .cse19 .cse6)) .cse16) (and .cse36 .cse69 .cse52 .cse28 .cse19) (and .cse28 .cse27 .cse21 .cse19 .cse48 .cse16) (and .cse1 .cse28 .cse15 .cse67 .cse16) (and .cse27 .cse0 .cse21 .cse7 .cse16 .cse8) (and .cse9 .cse3 .cse4 .cse12 .cse7 .cse16))))) [2018-11-18 12:06:18,586 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-18 12:06:18,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:06:18 BoogieIcfgContainer [2018-11-18 12:06:18,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:06:18,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:06:18,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:06:18,628 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:06:18,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:04:16" (3/4) ... [2018-11-18 12:06:18,631 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:06:18,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:06:18,638 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:06:18,641 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 12:06:18,641 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:06:18,642 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:06:18,642 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:06:18,689 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_063571e0-98e2-4c0d-a9f3-57c8e8816e13/bin-2019/uautomizer/witness.graphml [2018-11-18 12:06:18,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:06:18,689 INFO L168 Benchmark]: Toolchain (without parser) took 122760.89 ms. Allocated memory was 1.0 GB in the beginning and 3.9 GB in the end (delta: 2.9 GB). Free memory was 959.7 MB in the beginning and 504.8 MB in the end (delta: 454.9 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2018-11-18 12:06:18,690 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:06:18,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.82 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:18,690 INFO L168 Benchmark]: Boogie Preprocessor took 17.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:18,690 INFO L168 Benchmark]: RCFGBuilder took 197.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:18,691 INFO L168 Benchmark]: TraceAbstraction took 122318.13 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 504.8 MB in the end (delta: 635.7 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-18 12:06:18,691 INFO L168 Benchmark]: Witness Printer took 61.33 ms. Allocated memory is still 3.9 GB. Free memory is still 504.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:06:18,692 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.82 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 197.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 122318.13 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 504.8 MB in the end (delta: 635.7 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 61.33 ms. Allocated memory is still 3.9 GB. Free memory is still 504.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((7 <= i && 0 <= y + 5) && ((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0) || (((((0 <= y && 6 <= i) && y <= 1) && N <= 10) && 0 <= x) && x <= 5)) || (((((x <= 6 && 0 <= y) && 8 <= i) && y <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((((0 <= y + 1 && 5 <= i) && x <= 4) && N <= 10) && 0 <= x) && y <= 0)) || ((((((((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 4 <= i) && x <= 0) && y <= 0) || ((((4 <= i && x <= 2) && N <= 10) && 0 <= x) && y <= 0)) && 0 <= y + 2)) || (0 <= y + 4 && (((((5 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && y <= 0) || ((((5 <= i && x <= 1) && N <= 10) && 0 <= x) && y <= 0)))) || (((((x <= 9 && 0 <= y) && y <= 1) && N <= 10) && 0 <= x) && 10 <= i)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 7) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 0 <= x + 4) && 5 <= i) && y <= 0)) || (((((7 <= i && 0 <= y) && y <= 5) && x <= 2) && 0 <= i && N <= 10) && 0 <= x)) || ((((((0 <= x + 3 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 8 <= i) && y <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 6) && 0 <= y + 3) && 0 <= x) && y <= 0)) || (((((0 <= x + 6 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 2) && x <= 0) && y <= 0)) || (((((y <= 4 && 0 <= y) && 8 <= i) && x <= 4) && 0 <= i && N <= 10) && 0 <= x)) || (((((7 <= i && x <= 6) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || (((((0 <= x + 4 && 0 <= y) && y <= 2) && 6 <= i) && x <= 0) && (((((0 <= x + 2147483648 && 0 <= i) && x <= 0) && N <= 10) && 0 <= y + 2147483648) || ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && N <= 10)))) || (((((1 <= i && 0 <= y + 1) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((y <= 9 && (((((x <= 1 && 9 <= i) && 0 <= y) && N <= 10) && 0 <= x) || ((((9 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10))) && 0 <= x)) || (((((7 <= i && 0 <= y + 7) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((9 <= i && y <= 5 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 4) && x <= 0)) || ((((7 <= i && 0 <= y + 3) && 0 <= x) && (((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 4) && y <= 0)) || (((((x <= 3 && 0 <= y) && 3 <= i) && 0 <= i && N <= 10) && 0 <= x) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 8) && 0 <= y + 2) && 0 <= x) && 10 <= i) && y <= 0)) || (0 <= y + 9 && (((9 <= i && (((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0) && x <= 0) || (9 <= i && ((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0)) && 0 <= x + 1)) || (((((3 <= i && 0 <= y + 3) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((y <= 6 && 0 <= y) && x <= 4) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i)) || (((((0 <= y && x <= 4) && y <= 2) && 6 <= i) && 0 <= i && N <= 10) && 0 <= x)) || ((((((0 <= x + 3 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 7) && 10 <= i)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && 0 <= x + 7) && 10 <= i) && y <= 0)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && N <= 10) && x <= 0) && 10 <= i)) || (((((0 <= y && x <= 7) && 8 <= i) && y <= 1) && N <= 10) && 0 <= x)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x + 5) && 8 <= i) && x <= 0)) || (0 <= y + 7 && (((9 <= i && (((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0) && x <= 0) || (9 <= i && ((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0)))) || ((((((x <= 1 && 0 <= y) && 8 <= i) && N <= 10) && 0 <= x) || ((((8 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) && y <= 7)) || (((((7 <= i && 0 <= x + 4) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((1 <= i && 0 <= y) && x <= 0) && y <= 1) && N <= 10) && 0 <= x)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 3) && 0 <= x) && y <= 0) && x <= 5)) || (0 <= y + 7 && ((((((8 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && 0 <= y + 2147483648) && y <= 0) || (((((x <= 1 && 8 <= i) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)))) || ((((0 <= x + 3 && 5 <= i) && 0 <= y) && y <= 2) && (((0 <= x + 2147483648 && 0 <= i) && x <= 0) && N <= 10) && 0 <= y + 2147483648)) || (((0 <= x + 5 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 6 <= i) && y <= 0)) || (((9 <= i && x <= 6) && y <= 3) && 0 <= y && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648)) || ((((((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 4 <= i) && y <= 2)) || (((((9 <= i && 0 <= x + 6) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((y <= 6 && 0 <= y) && 8 <= i) && x <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((((0 <= x + 3 && y <= 3) && 0 <= y) && 6 <= i) && x <= 0) && N <= 10)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 4) && 6 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((y <= 4 && 9 <= i) && 0 <= y) && 0 <= i && N <= 10) && 0 <= x) && x <= 5)) || (((((0 <= x + 5 && 5 <= i) && 0 <= y) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 5) && 0 <= x) && 10 <= i) && y <= 0) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && 5 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((5 <= i && 0 <= y) && x <= 4) && y <= 1) && N <= 10) && 0 <= x)) || (((9 <= i && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && N <= 10) && x <= 0) && 0 <= x + 7)) || (((((0 <= y + 1 && x <= 3) && 4 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 4 && 4 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((7 <= i && (((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 7)) || ((((((0 <= y && 0 <= x + 1) && 6 <= i) && x <= 0) && N <= 10) || ((((x <= 1 && 0 <= y) && 6 <= i) && N <= 10) && 0 <= x)) && y <= 5)) || (((((9 <= i && 0 <= y) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= x + 9) && y <= 0)) || ((y <= 4 && ((x <= 3 && 0 <= y) && N <= 10) && 0 <= x) && 7 <= i)) || (((((0 <= y + 1 && 9 <= i) && x <= 8) && N <= 10) && 0 <= x) && y <= 0)) || ((((((2 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) || ((((2 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) && y <= 1)) || ((0 <= x && 10 <= i) && ((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && y <= 0)) || (((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((7 <= i && 0 <= x + 4) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 0)) || ((((6 <= i && 0 <= y + 3) && (((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && 0 <= x) && y <= 0)) || ((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0) && 10 <= i)) || (((((7 <= i && 0 <= x + 5) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && y <= 0)) || (7 <= i && y <= 4 && (((0 <= x + 3 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10)) || ((((0 <= x + 4 && y <= 4 && N <= 10) && 0 <= y) && 8 <= i) && x <= 0)) || (((((0 <= y + 5 && 5 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((5 <= i && (((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 3)) || (((((9 <= i && y <= 7) && 0 <= y) && x <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((((2 <= i && 0 <= y) && x <= 2) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= x + 3 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 9 <= i) && y <= 6)) || (((((9 <= i && 0 <= y) && y <= 5) && x <= 4) && 0 <= i && N <= 10) && 0 <= x)) || (((((0 <= y + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 6) && 0 <= x) && 10 <= i) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 6) && 6 <= i)) || (((y <= 3 && 0 <= y && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 8 <= i) && x <= 5)) || (((((7 <= i && 0 <= x + 6) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((((5 <= i && 0 <= y) && 0 <= i && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || (((((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 10 <= i)) || ((((((7 <= i && 0 <= x + 1) && x <= 0) && N <= 10) || (((7 <= i && x <= 1) && N <= 10) && 0 <= x)) && y <= 0) && 0 <= y + 6)) || (((((0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0) && 0 <= y + 6) && 10 <= i)) || (((7 <= i && 0 <= x + 5) && (0 <= y && y <= 2) && (((((0 <= x + 2147483648 && 0 <= i) && x <= 0) && N <= 10) && 0 <= y + 2147483648) || ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && N <= 10))) && x <= 0)) || (((((0 <= y + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && 0 <= x) && y <= 0) && x <= 5)) || (((((5 <= i && ((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0) || ((((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0) && 5 <= i)) && 0 <= y + 3)) || (((((6 <= i && 0 <= y + 6) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((x <= 10 && 0 <= y) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || ((((0 <= y + 4 && 8 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((7 <= i && 0 <= y) && 0 <= x + 7) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || ((0 <= y + 4 && 6 <= i) && ((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0)) || (((((0 <= x + 8 && 9 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || ((((((((8 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && 0 <= y + 2147483648) && y <= 0) || (((((x <= 1 && 8 <= i) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) && 0 <= y + 8) && 0 <= x)) || ((0 <= y + 5 && 9 <= i) && ((0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((((0 <= x + 8 && 8 <= i) && 0 <= y) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || (((((7 <= i && y <= 6) && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 3) && 3 <= i)) || (((0 <= x + 6 && 8 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && N <= 10) && x <= 0)) || (((0 <= x + 2 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 3 <= i) && y <= 0)) || (((0 <= y + 5 && (0 <= x + 5 && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || (((((0 <= x + 5 && 0 <= y) && 6 <= i) && x <= 0) && y <= 1) && N <= 10)) || (((((y <= 4 && 5 <= i) && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) || (((((8 <= i && ((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0) || (8 <= i && ((((0 <= i && x <= 2) && N <= 10) && 0 <= y + 2147483648) && 0 <= x) && y <= 0)) && 0 <= y + 6)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 5) && y <= 5) && x <= 0) && 10 <= i)) || (((((0 <= y + 4 && 0 <= x + 5) && 9 <= i) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (y <= 3 && (((((4 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10) || ((((x <= 1 && 4 <= i) && 0 <= y) && N <= 10) && 0 <= x)))) || (((((0 <= y + 1 && 7 <= i) && x <= 6) && N <= 10) && 0 <= x) && y <= 0)) || ((((((x <= 1 && 0 <= y) && 3 <= i) && N <= 10) && 0 <= x) || ((((0 <= y && 0 <= x + 1) && 3 <= i) && x <= 0) && N <= 10)) && y <= 2)) || (((((0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && 0 <= y + 2) && x <= 0) && y <= 0)) || ((((0 <= y + 4 && ((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 5 <= i) && y <= 5)) || (((((0 <= x + 4 && 5 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || ((9 <= i && y <= 6) && (x <= 3 && 0 <= y) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648)) || (((y <= 6 && x <= 0) && 10 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 4)) || ((((((0 <= y + 5 && 0 <= x + 1) && 6 <= i) && x <= 0) && N <= 10) || ((((0 <= y + 5 && x <= 1) && 6 <= i) && N <= 10) && 0 <= x)) && y <= 0)) || (((((0 <= x + 3 && 0 <= y) && 3 <= i) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || (((x <= 7 && y <= 3) && 0 <= y && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 10 <= i)) || ((0 <= y + 4 && 8 <= i) && ((0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((((1 <= i && x <= 1) && N <= 10) && 0 <= x) && y <= 0) || ((((1 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && y <= 0)) && 0 <= y)) || (((((0 <= y && x <= 2) && 3 <= i) && y <= 1) && N <= 10) && 0 <= x)) || (((((9 <= i && 0 <= y) && x <= 8) && y <= 1) && N <= 10) && 0 <= x)) || (((((0 <= y + 4 && 0 <= x + 6) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 10 <= i) && y <= 0)) || (((((0 <= x + 6 && 0 <= y) && 6 <= i) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || (((((4 <= i && 0 <= y) && x <= 4) && 0 <= i && N <= 10) && 0 <= x) && y <= 0)) || ((((9 <= i && (((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && 0 <= y + 6) && 0 <= x) && y <= 0)) || (((((x <= 3 && 5 <= i) && 0 <= y) && y <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((((0 <= y + 1 && x <= 2) && 3 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((9 <= i && (((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 7)) || (((0 <= y + 5 && (0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 8 <= i) && y <= 0)) || ((y <= 4 && (((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 6 <= i)) || ((((((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || (((((2 <= i && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((y <= 4 && x <= 6) && 0 <= y) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i)) || (((0 <= x + 6 && y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0) && 10 <= i)) || ((y <= 4 && (((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 4 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 9 <= i) && 0 <= x + 6) && x <= 0)) || (((((0 <= y + 1 && 6 <= i) && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || ((((0 <= y + 4 && 7 <= i) && (((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && 0 <= x) && y <= 0)) || ((((x <= 3 && 0 <= y) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 7) && 10 <= i)) || (((((0 <= y && x <= 8) && 8 <= i) && 0 <= i && N <= 10) && 0 <= x) && y <= 0)) || (((((4 <= i && 0 <= y) && y <= 2) && x <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 9 <= i) && y <= 0)) || ((((7 <= i && 0 <= y + 5) && ((0 <= x + 2 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((x <= 4 && 0 <= y + 6) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 10 <= i) && y <= 0)) || ((((0 <= y && x <= 2) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i)) || (((((0 <= x + 4 && 4 <= i) && 0 <= y) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || ((((((0 <= i && N <= 10) && 5 <= i) && 0 <= y) && y <= 3) && x <= 2) && 0 <= x)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 7) && 0 <= y + 3) && 0 <= x) && 10 <= i) && y <= 0)) || (((((x <= 9 && 0 <= y + 1) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || (((((x <= 9 && 9 <= i) && 0 <= y) && 0 <= i && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 8 <= i) && 0 <= x + 7) && y <= 0)) || (((((0 <= y && y <= 5) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i) && x <= 5)) || (((0 <= y && 8 <= i) && y <= 5) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648)) || (((((0 <= x + 3 && 5 <= i) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && y <= 0)) || (((((x <= 3 && 4 <= i) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 6) && 8 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((0 <= x + 5 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((0 <= x + 2147483648 && 0 <= y) && x <= 0) && y <= 1) && N <= 10) && 10 <= i)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 8 <= i) && y <= 8)) || ((((((4 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && y <= 0) || ((((x <= 1 && 4 <= i) && N <= 10) && 0 <= x) && y <= 0)) && 0 <= y + 3)) || (((((0 <= x + 2 && 2 <= i) && 0 <= y) && x <= 0) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 0)) || ((((x <= 3 && 0 <= y) && y <= 3) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 6 <= i)) || ((7 <= i && ((0 <= y && y <= 3) && x <= 4) && 0 <= i && N <= 10) && 0 <= x)) || (((0 <= y + 4 && 7 <= i) && (0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((((0 <= x + 8 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && 10 <= i) && y <= 0)) || (((((0 <= x + 2 && 0 <= y) && 3 <= i) && x <= 0) && y <= 1) && N <= 10)) || (((((0 <= x + 3 && 4 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((((7 <= i && 0 <= y) && y <= 2) && 0 <= i && N <= 10) && 0 <= x) && x <= 5)) || (((((y <= 4 && x <= 1) && 5 <= i) && 0 <= y) && N <= 10) && 0 <= x)) || (((((2 <= i && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 0 <= x)) || (((0 <= x + 3 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 4 <= i) && y <= 0)) || (((((7 <= i && x <= 1) && y <= 6) && 0 <= y) && N <= 10) && 0 <= x)) || (((((0 <= y && 8 <= i) && x <= 0) && y <= 1) && 0 <= x + 7) && N <= 10)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 0) && 0 <= x + 7) && 10 <= i)) || ((((((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 6) && 8 <= i)) || ((((((x <= 1 && 9 <= i) && 0 <= y) && N <= 10) && 0 <= x) || ((((9 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) && y <= 8)) || ((((((x <= 1 && 3 <= i) && N <= 10) && 0 <= x) || (((0 <= x + 1 && 3 <= i) && x <= 0) && N <= 10)) && y <= 0) && 0 <= y + 2)) || ((7 <= i && (((0 <= x + 2 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 5)) || (((((9 <= i && 0 <= y) && x <= 7) && y <= 2) && 0 <= i && N <= 10) && 0 <= x)) || (((7 <= i && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 0 <= x + 6) && y <= 0)) || (((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 6 <= i) && 0 <= y + 3) && y <= 0)) || (((9 <= i && (0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 0 <= y + 6) && y <= 0)) || (((((y <= 4 && 0 <= y) && x <= 2) && 0 <= i && N <= 10) && 6 <= i) && 0 <= x)) || ((((0 <= y + 5 && 8 <= i) && (((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 3) && 0 <= x) && y <= 0)) || (((((0 <= y && x <= 8) && y <= 2) && 0 <= i && N <= 10) && 0 <= x) && 10 <= i)) || ((7 <= i && ((0 <= y && x <= 7) && 0 <= i && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && x <= 7) && 8 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((0 <= y + 1 && ((((2 <= i && x <= 1) && N <= 10) && 0 <= x) || (((2 <= i && 0 <= x + 1) && x <= 0) && N <= 10))) && y <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 5) && 9 <= i) && x <= 0)) || (((((9 <= i && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && 0 <= x + 7) && y <= 0)) || ((((0 <= y + 5 && 9 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 7 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0) && x <= 5)) || (((((x <= 6 && 0 <= y) && 6 <= i) && 0 <= i && N <= 10) && 0 <= x) && y <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 37 locations, 10 error locations. SAFE Result, 122.2s OverallTime, 44 OverallIterations, 11 TraceHistogramMax, 11.7s AutomataDifference, 0.0s DeadEndRemovalTime, 94.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1338 SDtfs, 6547 SDslu, 5841 SDs, 0 SdLazy, 1774 SolverSat, 1019 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2627 GetRequests, 2308 SyntacticMatches, 0 SemanticMatches, 319 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2365 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59511occurred in iteration=37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 10.7s AutomataMinimizationTime, 44 MinimizatonAttempts, 134917 StatesRemovedByMinimization, 40 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 1771 NumberOfFragments, 5696 HoareAnnotationTreeSize, 5 FomulaSimplifications, 618286 FormulaSimplificationTreeSizeReduction, 40.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 91469 FormulaSimplificationTreeSizeReductionInter, 54.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 4705 NumberOfCodeBlocks, 4705 NumberOfCodeBlocksAsserted, 175 NumberOfCheckSat, 4623 ConstructedInterpolants, 0 QuantifiedInterpolants, 1256813 SizeOfPredicates, 2 NumberOfNonLiveVariables, 5013 ConjunctsInSsa, 268 ConjunctsInUnsatCore, 82 InterpolantComputations, 9 PerfectInterpolantSequences, 446/13214 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...