./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 b0a853f0131530f88013a3fcfdf4f133f41c0569 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:31:46,926 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:31:46,927 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:31:46,934 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:31:46,934 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:31:46,935 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:31:46,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:31:46,937 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:31:46,938 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:31:46,939 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:31:46,939 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:31:46,939 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:31:46,940 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:31:46,941 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:31:46,941 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:31:46,942 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:31:46,942 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:31:46,943 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:31:46,945 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:31:46,945 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:31:46,946 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:31:46,947 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:31:46,949 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:31:46,949 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:31:46,949 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:31:46,950 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:31:46,950 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:31:46,951 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:31:46,951 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:31:46,952 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:31:46,952 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:31:46,953 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:31:46,953 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:31:46,953 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:31:46,953 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:31:46,954 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:31:46,954 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-23 01:31:46,961 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:31:46,962 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:31:46,962 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:31:46,962 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:31:46,963 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:31:46,963 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:31:46,963 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:31:46,963 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:31:46,963 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 01:31:46,963 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:31:46,964 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:31:46,964 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:31:46,964 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:31:46,964 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:31:46,964 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 01:31:46,964 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:31:46,964 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:31:46,965 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:31:46,965 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:31:46,965 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:31:46,965 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:31:46,965 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:31:46,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:31:46,965 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:31:46,966 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:31:46,966 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:31:46,966 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:31:46,966 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:31:46,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:31:46,966 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_506144c4-ec75-4758-a6e8-d03779c360c7/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 -> b0a853f0131530f88013a3fcfdf4f133f41c0569 [2018-11-23 01:31:46,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:31:46,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:31:47,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:31:47,001 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:31:47,002 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:31:47,002 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-11-23 01:31:47,048 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/data/f5060743d/a262cda1f2d34678ad522e1c207c8870/FLAG8a0e47a19 [2018-11-23 01:31:47,445 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:31:47,446 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-11-23 01:31:47,449 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/data/f5060743d/a262cda1f2d34678ad522e1c207c8870/FLAG8a0e47a19 [2018-11-23 01:31:47,460 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/data/f5060743d/a262cda1f2d34678ad522e1c207c8870 [2018-11-23 01:31:47,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:31:47,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:31:47,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:31:47,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:31:47,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:31:47,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd21f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47, skipping insertion in model container [2018-11-23 01:31:47,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:31:47,487 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:31:47,591 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:31:47,594 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:31:47,604 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:31:47,612 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:31:47,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47 WrapperNode [2018-11-23 01:31:47,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:31:47,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:31:47,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:31:47,613 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:31:47,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:31:47,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:31:47,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:31:47,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:31:47,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (1/1) ... [2018-11-23 01:31:47,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:31:47,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:31:47,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:31:47,649 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:31:47,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:31:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:31:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:31:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:31:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:31:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:31:47,873 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:31:47,873 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 01:31:47,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:47 BoogieIcfgContainer [2018-11-23 01:31:47,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:31:47,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:31:47,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:31:47,877 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:31:47,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:31:47" (1/3) ... [2018-11-23 01:31:47,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd7054a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:31:47, skipping insertion in model container [2018-11-23 01:31:47,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:47" (2/3) ... [2018-11-23 01:31:47,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd7054a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:31:47, skipping insertion in model container [2018-11-23 01:31:47,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:47" (3/3) ... [2018-11-23 01:31:47,880 INFO L112 eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-11-23 01:31:47,889 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:31:47,895 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2018-11-23 01:31:47,910 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2018-11-23 01:31:47,935 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:31:47,936 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:31:47,936 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:31:47,936 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:31:47,936 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:31:47,937 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:31:47,937 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:31:47,937 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:31:47,937 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:31:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-23 01:31:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 01:31:47,959 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:47,959 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:47,961 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:47,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:47,966 INFO L82 PathProgramCache]: Analyzing trace with hash 252417093, now seen corresponding path program 1 times [2018-11-23 01:31:47,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:47,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:48,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:31:48,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:31:48,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:31:48,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:31:48,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:31:48,089 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2018-11-23 01:31:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:48,143 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2018-11-23 01:31:48,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:31:48,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 01:31:48,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:48,154 INFO L225 Difference]: With dead ends: 48 [2018-11-23 01:31:48,154 INFO L226 Difference]: Without dead ends: 34 [2018-11-23 01:31:48,157 INFO L631 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 [2018-11-23 01:31:48,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-23 01:31:48,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-11-23 01:31:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 01:31:48,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-11-23 01:31:48,181 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 7 [2018-11-23 01:31:48,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:48,181 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-11-23 01:31:48,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:31:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-23 01:31:48,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 01:31:48,182 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:48,182 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:48,182 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:48,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:48,182 INFO L82 PathProgramCache]: Analyzing trace with hash -765004662, now seen corresponding path program 1 times [2018-11-23 01:31:48,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:48,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:48,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:31:48,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:31:48,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:31:48,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:31:48,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:31:48,206 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 3 states. [2018-11-23 01:31:48,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:48,222 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2018-11-23 01:31:48,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:31:48,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-23 01:31:48,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:48,223 INFO L225 Difference]: With dead ends: 33 [2018-11-23 01:31:48,223 INFO L226 Difference]: Without dead ends: 32 [2018-11-23 01:31:48,224 INFO L631 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 [2018-11-23 01:31:48,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-23 01:31:48,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-23 01:31:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-23 01:31:48,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2018-11-23 01:31:48,227 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 8 [2018-11-23 01:31:48,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:48,227 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2018-11-23 01:31:48,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:31:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-11-23 01:31:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:31:48,228 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:48,228 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:48,228 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:48,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:48,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1157363318, now seen corresponding path program 1 times [2018-11-23 01:31:48,229 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:48,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:48,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:31:48,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:31:48,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:31:48,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:31:48,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:31:48,259 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 3 states. [2018-11-23 01:31:48,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:48,278 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2018-11-23 01:31:48,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:31:48,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-23 01:31:48,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:48,280 INFO L225 Difference]: With dead ends: 55 [2018-11-23 01:31:48,280 INFO L226 Difference]: Without dead ends: 53 [2018-11-23 01:31:48,280 INFO L631 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 [2018-11-23 01:31:48,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-23 01:31:48,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2018-11-23 01:31:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-23 01:31:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2018-11-23 01:31:48,286 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 11 [2018-11-23 01:31:48,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:48,286 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2018-11-23 01:31:48,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:31:48,286 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2018-11-23 01:31:48,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:31:48,287 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:48,287 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:48,288 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:48,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:48,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1157326159, now seen corresponding path program 1 times [2018-11-23 01:31:48,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:48,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:48,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:31:48,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:48,315 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:48,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,391 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:48,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-11-23 01:31:48,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:31:48,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:31:48,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:31:48,392 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand 6 states. [2018-11-23 01:31:48,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:48,460 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2018-11-23 01:31:48,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:31:48,460 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-11-23 01:31:48,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:48,461 INFO L225 Difference]: With dead ends: 108 [2018-11-23 01:31:48,461 INFO L226 Difference]: Without dead ends: 107 [2018-11-23 01:31:48,462 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:31:48,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-23 01:31:48,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 44. [2018-11-23 01:31:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 01:31:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2018-11-23 01:31:48,468 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 11 [2018-11-23 01:31:48,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:48,468 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2018-11-23 01:31:48,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:31:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2018-11-23 01:31:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 01:31:48,469 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:48,469 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:48,469 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:48,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:48,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1518524433, now seen corresponding path program 1 times [2018-11-23 01:31:48,470 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:48,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:48,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:31:48,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:31:48,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:31:48,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:31:48,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:31:48,488 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 3 states. [2018-11-23 01:31:48,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:48,533 INFO L93 Difference]: Finished difference Result 81 states and 113 transitions. [2018-11-23 01:31:48,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:31:48,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-23 01:31:48,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:48,534 INFO L225 Difference]: With dead ends: 81 [2018-11-23 01:31:48,535 INFO L226 Difference]: Without dead ends: 79 [2018-11-23 01:31:48,535 INFO L631 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 [2018-11-23 01:31:48,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-23 01:31:48,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2018-11-23 01:31:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-23 01:31:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2018-11-23 01:31:48,542 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 12 [2018-11-23 01:31:48,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:48,542 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2018-11-23 01:31:48,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:31:48,542 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2018-11-23 01:31:48,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 01:31:48,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:48,543 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:48,543 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:48,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:48,543 INFO L82 PathProgramCache]: Analyzing trace with hash 170574579, now seen corresponding path program 1 times [2018-11-23 01:31:48,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:48,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:48,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:31:48,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:31:48,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:31:48,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:31:48,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:31:48,564 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand 3 states. [2018-11-23 01:31:48,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:48,589 INFO L93 Difference]: Finished difference Result 143 states and 215 transitions. [2018-11-23 01:31:48,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:31:48,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-23 01:31:48,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:48,590 INFO L225 Difference]: With dead ends: 143 [2018-11-23 01:31:48,590 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 01:31:48,591 INFO L631 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 [2018-11-23 01:31:48,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 01:31:48,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2018-11-23 01:31:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-23 01:31:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 199 transitions. [2018-11-23 01:31:48,601 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 199 transitions. Word has length 13 [2018-11-23 01:31:48,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:48,601 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 199 transitions. [2018-11-23 01:31:48,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:31:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2018-11-23 01:31:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 01:31:48,602 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:48,602 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:48,602 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:48,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:48,602 INFO L82 PathProgramCache]: Analyzing trace with hash 992844728, now seen corresponding path program 1 times [2018-11-23 01:31:48,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:48,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:48,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:31:48,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:31:48,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:31:48,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:31:48,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:31:48,622 INFO L87 Difference]: Start difference. First operand 133 states and 199 transitions. Second operand 3 states. [2018-11-23 01:31:48,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:48,651 INFO L93 Difference]: Finished difference Result 259 states and 393 transitions. [2018-11-23 01:31:48,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:31:48,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-23 01:31:48,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:48,653 INFO L225 Difference]: With dead ends: 259 [2018-11-23 01:31:48,653 INFO L226 Difference]: Without dead ends: 257 [2018-11-23 01:31:48,654 INFO L631 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 [2018-11-23 01:31:48,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-11-23 01:31:48,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 253. [2018-11-23 01:31:48,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-11-23 01:31:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 381 transitions. [2018-11-23 01:31:48,674 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 381 transitions. Word has length 14 [2018-11-23 01:31:48,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:48,675 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 381 transitions. [2018-11-23 01:31:48,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:31:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 381 transitions. [2018-11-23 01:31:48,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 01:31:48,676 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:48,676 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:48,676 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:48,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:48,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1784292138, now seen corresponding path program 1 times [2018-11-23 01:31:48,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:48,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:48,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,710 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:48,710 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:48,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,755 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:48,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-23 01:31:48,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:31:48,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:31:48,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:31:48,756 INFO L87 Difference]: Start difference. First operand 253 states and 381 transitions. Second operand 4 states. [2018-11-23 01:31:48,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:48,788 INFO L93 Difference]: Finished difference Result 453 states and 692 transitions. [2018-11-23 01:31:48,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:31:48,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-23 01:31:48,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:48,791 INFO L225 Difference]: With dead ends: 453 [2018-11-23 01:31:48,791 INFO L226 Difference]: Without dead ends: 451 [2018-11-23 01:31:48,791 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:31:48,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-11-23 01:31:48,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 361. [2018-11-23 01:31:48,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-11-23 01:31:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 547 transitions. [2018-11-23 01:31:48,808 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 547 transitions. Word has length 18 [2018-11-23 01:31:48,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:48,809 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 547 transitions. [2018-11-23 01:31:48,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:31:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 547 transitions. [2018-11-23 01:31:48,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 01:31:48,810 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:48,811 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:48,811 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:48,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:48,811 INFO L82 PathProgramCache]: Analyzing trace with hash -457667387, now seen corresponding path program 1 times [2018-11-23 01:31:48,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:48,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:48,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:48,847 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:48,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:31:48,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-23 01:31:48,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:31:48,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:31:48,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:48,880 INFO L87 Difference]: Start difference. First operand 361 states and 547 transitions. Second operand 5 states. [2018-11-23 01:31:48,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:48,922 INFO L93 Difference]: Finished difference Result 614 states and 943 transitions. [2018-11-23 01:31:48,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:31:48,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-23 01:31:48,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:48,924 INFO L225 Difference]: With dead ends: 614 [2018-11-23 01:31:48,924 INFO L226 Difference]: Without dead ends: 612 [2018-11-23 01:31:48,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:48,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-11-23 01:31:48,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 468. [2018-11-23 01:31:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-11-23 01:31:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 705 transitions. [2018-11-23 01:31:48,940 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 705 transitions. Word has length 20 [2018-11-23 01:31:48,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:48,940 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 705 transitions. [2018-11-23 01:31:48,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:31:48,941 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 705 transitions. [2018-11-23 01:31:48,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 01:31:48,941 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:48,942 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:48,942 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:48,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:48,942 INFO L82 PathProgramCache]: Analyzing trace with hash -789737976, now seen corresponding path program 1 times [2018-11-23 01:31:48,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:48,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:48,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:48,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:48,966 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:48,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:48,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,003 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:49,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-23 01:31:49,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:31:49,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:31:49,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:31:49,004 INFO L87 Difference]: Start difference. First operand 468 states and 705 transitions. Second operand 4 states. [2018-11-23 01:31:49,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:49,058 INFO L93 Difference]: Finished difference Result 838 states and 1288 transitions. [2018-11-23 01:31:49,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:31:49,059 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-23 01:31:49,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:49,062 INFO L225 Difference]: With dead ends: 838 [2018-11-23 01:31:49,062 INFO L226 Difference]: Without dead ends: 836 [2018-11-23 01:31:49,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:31:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2018-11-23 01:31:49,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 672. [2018-11-23 01:31:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-11-23 01:31:49,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1011 transitions. [2018-11-23 01:31:49,090 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1011 transitions. Word has length 22 [2018-11-23 01:31:49,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:49,090 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 1011 transitions. [2018-11-23 01:31:49,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:31:49,090 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1011 transitions. [2018-11-23 01:31:49,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 01:31:49,091 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:49,091 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:49,092 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:49,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:49,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1545985083, now seen corresponding path program 1 times [2018-11-23 01:31:49,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:49,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:49,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:49,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:49,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,127 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:49,127 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:49,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:49,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:49,180 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:31:49,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-23 01:31:49,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:31:49,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:31:49,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:49,196 INFO L87 Difference]: Start difference. First operand 672 states and 1011 transitions. Second operand 5 states. [2018-11-23 01:31:49,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:49,243 INFO L93 Difference]: Finished difference Result 1143 states and 1751 transitions. [2018-11-23 01:31:49,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:31:49,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-11-23 01:31:49,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:49,246 INFO L225 Difference]: With dead ends: 1143 [2018-11-23 01:31:49,247 INFO L226 Difference]: Without dead ends: 1141 [2018-11-23 01:31:49,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:49,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2018-11-23 01:31:49,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 875. [2018-11-23 01:31:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2018-11-23 01:31:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1301 transitions. [2018-11-23 01:31:49,273 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1301 transitions. Word has length 24 [2018-11-23 01:31:49,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:49,274 INFO L480 AbstractCegarLoop]: Abstraction has 875 states and 1301 transitions. [2018-11-23 01:31:49,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:31:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1301 transitions. [2018-11-23 01:31:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 01:31:49,275 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:49,275 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:49,275 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:49,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:49,276 INFO L82 PathProgramCache]: Analyzing trace with hash 582614026, now seen corresponding path program 2 times [2018-11-23 01:31:49,276 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:49,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:49,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:49,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:49,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:49,318 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:49,319 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:49,335 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 01:31:49,354 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 01:31:49,354 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:49,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,373 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:49,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-23 01:31:49,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:31:49,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:31:49,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:49,375 INFO L87 Difference]: Start difference. First operand 875 states and 1301 transitions. Second operand 5 states. [2018-11-23 01:31:49,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:49,421 INFO L93 Difference]: Finished difference Result 1508 states and 2270 transitions. [2018-11-23 01:31:49,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:31:49,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-11-23 01:31:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:49,424 INFO L225 Difference]: With dead ends: 1508 [2018-11-23 01:31:49,424 INFO L226 Difference]: Without dead ends: 1506 [2018-11-23 01:31:49,425 INFO L631 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 [2018-11-23 01:31:49,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2018-11-23 01:31:49,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1197. [2018-11-23 01:31:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2018-11-23 01:31:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1772 transitions. [2018-11-23 01:31:49,455 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1772 transitions. Word has length 25 [2018-11-23 01:31:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:49,456 INFO L480 AbstractCegarLoop]: Abstraction has 1197 states and 1772 transitions. [2018-11-23 01:31:49,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:31:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1772 transitions. [2018-11-23 01:31:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 01:31:49,457 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:49,457 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:49,460 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:49,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:49,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1259703649, now seen corresponding path program 1 times [2018-11-23 01:31:49,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:49,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:49,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:49,461 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:49,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:49,505 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:49,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:49,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,547 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:49,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-23 01:31:49,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:31:49,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:31:49,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:49,548 INFO L87 Difference]: Start difference. First operand 1197 states and 1772 transitions. Second operand 5 states. [2018-11-23 01:31:49,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:49,607 INFO L93 Difference]: Finished difference Result 1955 states and 2906 transitions. [2018-11-23 01:31:49,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:31:49,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-11-23 01:31:49,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:49,612 INFO L225 Difference]: With dead ends: 1955 [2018-11-23 01:31:49,612 INFO L226 Difference]: Without dead ends: 1954 [2018-11-23 01:31:49,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:49,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2018-11-23 01:31:49,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1433. [2018-11-23 01:31:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2018-11-23 01:31:49,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 2118 transitions. [2018-11-23 01:31:49,642 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 2118 transitions. Word has length 29 [2018-11-23 01:31:49,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:49,643 INFO L480 AbstractCegarLoop]: Abstraction has 1433 states and 2118 transitions. [2018-11-23 01:31:49,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:31:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2118 transitions. [2018-11-23 01:31:49,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 01:31:49,644 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:49,644 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:49,644 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:49,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:49,644 INFO L82 PathProgramCache]: Analyzing trace with hash -886740333, now seen corresponding path program 2 times [2018-11-23 01:31:49,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:49,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:49,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:49,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:49,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:49,687 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:49,694 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 01:31:49,726 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 01:31:49,726 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:49,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,747 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:49,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-23 01:31:49,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:31:49,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:31:49,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:49,747 INFO L87 Difference]: Start difference. First operand 1433 states and 2118 transitions. Second operand 5 states. [2018-11-23 01:31:49,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:49,797 INFO L93 Difference]: Finished difference Result 2466 states and 3697 transitions. [2018-11-23 01:31:49,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:31:49,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-11-23 01:31:49,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:49,802 INFO L225 Difference]: With dead ends: 2466 [2018-11-23 01:31:49,802 INFO L226 Difference]: Without dead ends: 2464 [2018-11-23 01:31:49,803 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:49,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2018-11-23 01:31:49,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 1963. [2018-11-23 01:31:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1963 states. [2018-11-23 01:31:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 2886 transitions. [2018-11-23 01:31:49,843 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 2886 transitions. Word has length 31 [2018-11-23 01:31:49,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:49,843 INFO L480 AbstractCegarLoop]: Abstraction has 1963 states and 2886 transitions. [2018-11-23 01:31:49,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:31:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2886 transitions. [2018-11-23 01:31:49,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 01:31:49,844 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:49,844 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:49,845 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:49,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:49,845 INFO L82 PathProgramCache]: Analyzing trace with hash -716039594, now seen corresponding path program 3 times [2018-11-23 01:31:49,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:49,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:49,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:49,846 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:49,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:49,892 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:49,911 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 01:31:49,935 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-23 01:31:49,935 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:49,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:49,956 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:49,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-23 01:31:49,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:31:49,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:31:49,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:31:49,957 INFO L87 Difference]: Start difference. First operand 1963 states and 2886 transitions. Second operand 6 states. [2018-11-23 01:31:50,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:50,021 INFO L93 Difference]: Finished difference Result 3177 states and 4736 transitions. [2018-11-23 01:31:50,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:31:50,021 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-11-23 01:31:50,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:50,027 INFO L225 Difference]: With dead ends: 3177 [2018-11-23 01:31:50,027 INFO L226 Difference]: Without dead ends: 3175 [2018-11-23 01:31:50,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:31:50,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2018-11-23 01:31:50,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2567. [2018-11-23 01:31:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2567 states. [2018-11-23 01:31:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3753 transitions. [2018-11-23 01:31:50,080 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 3753 transitions. Word has length 32 [2018-11-23 01:31:50,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:50,081 INFO L480 AbstractCegarLoop]: Abstraction has 2567 states and 3753 transitions. [2018-11-23 01:31:50,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:31:50,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 3753 transitions. [2018-11-23 01:31:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 01:31:50,082 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:50,082 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:50,082 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:50,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:50,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1327564892, now seen corresponding path program 1 times [2018-11-23 01:31:50,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:50,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:50,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:50,083 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:50,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:50,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:50,122 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:50,122 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:50,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:50,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:50,171 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:50,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-23 01:31:50,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:31:50,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:31:50,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:50,172 INFO L87 Difference]: Start difference. First operand 2567 states and 3753 transitions. Second operand 5 states. [2018-11-23 01:31:50,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:50,256 INFO L93 Difference]: Finished difference Result 4186 states and 6159 transitions. [2018-11-23 01:31:50,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:31:50,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-11-23 01:31:50,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:50,264 INFO L225 Difference]: With dead ends: 4186 [2018-11-23 01:31:50,265 INFO L226 Difference]: Without dead ends: 4185 [2018-11-23 01:31:50,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:50,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4185 states. [2018-11-23 01:31:50,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4185 to 3075. [2018-11-23 01:31:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3075 states. [2018-11-23 01:31:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 3075 states and 4487 transitions. [2018-11-23 01:31:50,352 INFO L78 Accepts]: Start accepts. Automaton has 3075 states and 4487 transitions. Word has length 35 [2018-11-23 01:31:50,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:50,353 INFO L480 AbstractCegarLoop]: Abstraction has 3075 states and 4487 transitions. [2018-11-23 01:31:50,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:31:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 4487 transitions. [2018-11-23 01:31:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 01:31:50,354 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:50,354 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:50,354 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:50,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:50,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1468116811, now seen corresponding path program 2 times [2018-11-23 01:31:50,355 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:50,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:50,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:50,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:50,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:50,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:50,399 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:50,415 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 01:31:50,438 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 01:31:50,438 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:50,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:50,443 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:50,458 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:50,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-23 01:31:50,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:31:50,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:31:50,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:31:50,459 INFO L87 Difference]: Start difference. First operand 3075 states and 4487 transitions. Second operand 6 states. [2018-11-23 01:31:50,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:50,557 INFO L93 Difference]: Finished difference Result 4731 states and 6951 transitions. [2018-11-23 01:31:50,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:31:50,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-11-23 01:31:50,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:50,565 INFO L225 Difference]: With dead ends: 4731 [2018-11-23 01:31:50,566 INFO L226 Difference]: Without dead ends: 4730 [2018-11-23 01:31:50,568 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:31:50,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4730 states. [2018-11-23 01:31:50,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4730 to 3463. [2018-11-23 01:31:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3463 states. [2018-11-23 01:31:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 5051 transitions. [2018-11-23 01:31:50,643 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 5051 transitions. Word has length 37 [2018-11-23 01:31:50,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:50,644 INFO L480 AbstractCegarLoop]: Abstraction has 3463 states and 5051 transitions. [2018-11-23 01:31:50,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:31:50,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 5051 transitions. [2018-11-23 01:31:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 01:31:50,645 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:50,645 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:50,645 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:50,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:50,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1042968950, now seen corresponding path program 4 times [2018-11-23 01:31:50,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:50,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:50,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:50,647 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:50,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:50,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:50,695 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:50,709 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 01:31:50,726 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 01:31:50,726 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:50,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:50,747 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:50,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-23 01:31:50,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:31:50,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:31:50,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:31:50,748 INFO L87 Difference]: Start difference. First operand 3463 states and 5051 transitions. Second operand 7 states. [2018-11-23 01:31:50,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:50,857 INFO L93 Difference]: Finished difference Result 5330 states and 7888 transitions. [2018-11-23 01:31:50,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:31:50,857 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2018-11-23 01:31:50,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:50,871 INFO L225 Difference]: With dead ends: 5330 [2018-11-23 01:31:50,872 INFO L226 Difference]: Without dead ends: 5328 [2018-11-23 01:31:50,874 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:31:50,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2018-11-23 01:31:50,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 4381. [2018-11-23 01:31:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4381 states. [2018-11-23 01:31:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 6357 transitions. [2018-11-23 01:31:50,973 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 6357 transitions. Word has length 39 [2018-11-23 01:31:50,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:50,974 INFO L480 AbstractCegarLoop]: Abstraction has 4381 states and 6357 transitions. [2018-11-23 01:31:50,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:31:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 6357 transitions. [2018-11-23 01:31:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 01:31:50,975 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:50,975 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:50,975 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:50,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:50,975 INFO L82 PathProgramCache]: Analyzing trace with hash 535132776, now seen corresponding path program 3 times [2018-11-23 01:31:50,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:50,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:50,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:50,977 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:50,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:51,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:51,021 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:51,050 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 01:31:51,067 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-23 01:31:51,067 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:51,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:51,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:51,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-23 01:31:51,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:31:51,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:31:51,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:31:51,089 INFO L87 Difference]: Start difference. First operand 4381 states and 6357 transitions. Second operand 6 states. [2018-11-23 01:31:51,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:51,214 INFO L93 Difference]: Finished difference Result 7073 states and 10429 transitions. [2018-11-23 01:31:51,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:31:51,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-11-23 01:31:51,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:51,226 INFO L225 Difference]: With dead ends: 7073 [2018-11-23 01:31:51,226 INFO L226 Difference]: Without dead ends: 7071 [2018-11-23 01:31:51,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:31:51,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2018-11-23 01:31:51,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 5733. [2018-11-23 01:31:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5733 states. [2018-11-23 01:31:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5733 states to 5733 states and 8269 transitions. [2018-11-23 01:31:51,427 INFO L78 Accepts]: Start accepts. Automaton has 5733 states and 8269 transitions. Word has length 40 [2018-11-23 01:31:51,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:51,427 INFO L480 AbstractCegarLoop]: Abstraction has 5733 states and 8269 transitions. [2018-11-23 01:31:51,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:31:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 5733 states and 8269 transitions. [2018-11-23 01:31:51,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:31:51,429 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:51,429 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:51,430 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:51,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:51,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1865791691, now seen corresponding path program 3 times [2018-11-23 01:31:51,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:51,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:51,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:51,432 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:51,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:51,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:51,483 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:51,498 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 01:31:51,516 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-23 01:31:51,516 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:51,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:51,550 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:51,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-23 01:31:51,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:31:51,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:31:51,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:31:51,551 INFO L87 Difference]: Start difference. First operand 5733 states and 8269 transitions. Second operand 7 states. [2018-11-23 01:31:51,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:51,755 INFO L93 Difference]: Finished difference Result 8442 states and 12279 transitions. [2018-11-23 01:31:51,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:31:51,756 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-11-23 01:31:51,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:51,770 INFO L225 Difference]: With dead ends: 8442 [2018-11-23 01:31:51,770 INFO L226 Difference]: Without dead ends: 8441 [2018-11-23 01:31:51,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:31:51,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2018-11-23 01:31:51,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 6241. [2018-11-23 01:31:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6241 states. [2018-11-23 01:31:51,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 9003 transitions. [2018-11-23 01:31:51,961 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 9003 transitions. Word has length 45 [2018-11-23 01:31:51,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:51,961 INFO L480 AbstractCegarLoop]: Abstraction has 6241 states and 9003 transitions. [2018-11-23 01:31:51,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:31:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 9003 transitions. [2018-11-23 01:31:51,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:31:51,963 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:51,963 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:51,963 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:51,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:51,964 INFO L82 PathProgramCache]: Analyzing trace with hash 702806639, now seen corresponding path program 2 times [2018-11-23 01:31:51,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:51,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:51,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:51,964 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:51,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:51,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:51,994 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:52,005 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 01:31:52,020 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 01:31:52,020 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:52,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:52,027 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:52,053 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:52,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-23 01:31:52,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:31:52,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:31:52,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:31:52,053 INFO L87 Difference]: Start difference. First operand 6241 states and 9003 transitions. Second operand 6 states. [2018-11-23 01:31:52,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:52,260 INFO L93 Difference]: Finished difference Result 9588 states and 13947 transitions. [2018-11-23 01:31:52,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:31:52,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-11-23 01:31:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:52,275 INFO L225 Difference]: With dead ends: 9588 [2018-11-23 01:31:52,275 INFO L226 Difference]: Without dead ends: 9587 [2018-11-23 01:31:52,279 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:31:52,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9587 states. [2018-11-23 01:31:52,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9587 to 7029. [2018-11-23 01:31:52,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7029 states. [2018-11-23 01:31:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 10135 transitions. [2018-11-23 01:31:52,481 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 10135 transitions. Word has length 45 [2018-11-23 01:31:52,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:52,481 INFO L480 AbstractCegarLoop]: Abstraction has 7029 states and 10135 transitions. [2018-11-23 01:31:52,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:31:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 10135 transitions. [2018-11-23 01:31:52,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 01:31:52,482 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:52,482 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:52,483 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:52,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:52,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1845802966, now seen corresponding path program 5 times [2018-11-23 01:31:52,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:52,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:52,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:52,484 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:52,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:52,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:52,561 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:52,573 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 01:31:52,588 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-23 01:31:52,588 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:52,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:52,620 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:52,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-23 01:31:52,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:31:52,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:31:52,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:31:52,621 INFO L87 Difference]: Start difference. First operand 7029 states and 10135 transitions. Second operand 8 states. [2018-11-23 01:31:52,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:52,809 INFO L93 Difference]: Finished difference Result 10385 states and 15210 transitions. [2018-11-23 01:31:52,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:31:52,810 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-11-23 01:31:52,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:52,825 INFO L225 Difference]: With dead ends: 10385 [2018-11-23 01:31:52,825 INFO L226 Difference]: Without dead ends: 10383 [2018-11-23 01:31:52,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:31:52,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2018-11-23 01:31:53,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 8669. [2018-11-23 01:31:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8669 states. [2018-11-23 01:31:53,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8669 states to 8669 states and 12442 transitions. [2018-11-23 01:31:53,074 INFO L78 Accepts]: Start accepts. Automaton has 8669 states and 12442 transitions. Word has length 46 [2018-11-23 01:31:53,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:53,074 INFO L480 AbstractCegarLoop]: Abstraction has 8669 states and 12442 transitions. [2018-11-23 01:31:53,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:31:53,075 INFO L276 IsEmpty]: Start isEmpty. Operand 8669 states and 12442 transitions. [2018-11-23 01:31:53,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 01:31:53,076 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:53,076 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:53,077 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:53,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:53,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1310627277, now seen corresponding path program 4 times [2018-11-23 01:31:53,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:53,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:53,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:53,078 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:53,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:53,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:53,142 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:53,149 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 01:31:53,160 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 01:31:53,160 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:53,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:53,193 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:53,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-23 01:31:53,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:31:53,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:31:53,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:31:53,194 INFO L87 Difference]: Start difference. First operand 8669 states and 12442 transitions. Second operand 7 states. [2018-11-23 01:31:53,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:53,397 INFO L93 Difference]: Finished difference Result 13316 states and 19433 transitions. [2018-11-23 01:31:53,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:31:53,397 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2018-11-23 01:31:53,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:53,417 INFO L225 Difference]: With dead ends: 13316 [2018-11-23 01:31:53,417 INFO L226 Difference]: Without dead ends: 13314 [2018-11-23 01:31:53,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:31:53,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13314 states. [2018-11-23 01:31:53,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13314 to 10971. [2018-11-23 01:31:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10971 states. [2018-11-23 01:31:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10971 states to 10971 states and 15661 transitions. [2018-11-23 01:31:53,676 INFO L78 Accepts]: Start accepts. Automaton has 10971 states and 15661 transitions. Word has length 49 [2018-11-23 01:31:53,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:53,676 INFO L480 AbstractCegarLoop]: Abstraction has 10971 states and 15661 transitions. [2018-11-23 01:31:53,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:31:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 10971 states and 15661 transitions. [2018-11-23 01:31:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 01:31:53,678 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:53,678 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:53,678 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:53,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:53,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1711194378, now seen corresponding path program 6 times [2018-11-23 01:31:53,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:53,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:53,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:53,679 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:53,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:53,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:53,734 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:53,751 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 01:31:53,794 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-23 01:31:53,794 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:53,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:53,799 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:53,815 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:53,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-23 01:31:53,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:31:53,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:31:53,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:31:53,816 INFO L87 Difference]: Start difference. First operand 10971 states and 15661 transitions. Second operand 9 states. [2018-11-23 01:31:54,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:54,030 INFO L93 Difference]: Finished difference Result 15626 states and 22669 transitions. [2018-11-23 01:31:54,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 01:31:54,031 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2018-11-23 01:31:54,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:54,044 INFO L225 Difference]: With dead ends: 15626 [2018-11-23 01:31:54,044 INFO L226 Difference]: Without dead ends: 15624 [2018-11-23 01:31:54,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:31:54,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15624 states. [2018-11-23 01:31:54,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15624 to 13095. [2018-11-23 01:31:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13095 states. [2018-11-23 01:31:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13095 states to 13095 states and 18613 transitions. [2018-11-23 01:31:54,297 INFO L78 Accepts]: Start accepts. Automaton has 13095 states and 18613 transitions. Word has length 53 [2018-11-23 01:31:54,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:54,297 INFO L480 AbstractCegarLoop]: Abstraction has 13095 states and 18613 transitions. [2018-11-23 01:31:54,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:31:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 13095 states and 18613 transitions. [2018-11-23 01:31:54,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 01:31:54,299 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:54,299 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:54,299 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:54,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:54,300 INFO L82 PathProgramCache]: Analyzing trace with hash -434547425, now seen corresponding path program 4 times [2018-11-23 01:31:54,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:54,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:54,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:54,300 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:54,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:54,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:54,366 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:54,373 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 01:31:54,381 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 01:31:54,381 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:54,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:54,403 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:54,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-23 01:31:54,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:31:54,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:31:54,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:31:54,404 INFO L87 Difference]: Start difference. First operand 13095 states and 18613 transitions. Second operand 8 states. [2018-11-23 01:31:54,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:54,638 INFO L93 Difference]: Finished difference Result 19894 states and 28525 transitions. [2018-11-23 01:31:54,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:31:54,638 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-11-23 01:31:54,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:54,652 INFO L225 Difference]: With dead ends: 19894 [2018-11-23 01:31:54,653 INFO L226 Difference]: Without dead ends: 19893 [2018-11-23 01:31:54,658 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:31:54,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19893 states. [2018-11-23 01:31:54,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19893 to 14133. [2018-11-23 01:31:54,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14133 states. [2018-11-23 01:31:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14133 states to 14133 states and 20101 transitions. [2018-11-23 01:31:54,966 INFO L78 Accepts]: Start accepts. Automaton has 14133 states and 20101 transitions. Word has length 53 [2018-11-23 01:31:54,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:54,966 INFO L480 AbstractCegarLoop]: Abstraction has 14133 states and 20101 transitions. [2018-11-23 01:31:54,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:31:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 14133 states and 20101 transitions. [2018-11-23 01:31:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 01:31:54,968 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:54,968 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:54,969 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:54,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:54,969 INFO L82 PathProgramCache]: Analyzing trace with hash 941207746, now seen corresponding path program 3 times [2018-11-23 01:31:54,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:54,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:54,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:54,970 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:54,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:55,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:55,020 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:55,028 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 01:31:55,050 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-23 01:31:55,050 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:55,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:55,082 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:55,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-23 01:31:55,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:31:55,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:31:55,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:31:55,083 INFO L87 Difference]: Start difference. First operand 14133 states and 20101 transitions. Second operand 7 states. [2018-11-23 01:31:55,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:55,419 INFO L93 Difference]: Finished difference Result 20778 states and 29841 transitions. [2018-11-23 01:31:55,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:31:55,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2018-11-23 01:31:55,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:55,434 INFO L225 Difference]: With dead ends: 20778 [2018-11-23 01:31:55,434 INFO L226 Difference]: Without dead ends: 20777 [2018-11-23 01:31:55,441 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:31:55,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20777 states. [2018-11-23 01:31:55,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20777 to 15385. [2018-11-23 01:31:55,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15385 states. [2018-11-23 01:31:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15385 states to 15385 states and 21885 transitions. [2018-11-23 01:31:55,719 INFO L78 Accepts]: Start accepts. Automaton has 15385 states and 21885 transitions. Word has length 55 [2018-11-23 01:31:55,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:55,719 INFO L480 AbstractCegarLoop]: Abstraction has 15385 states and 21885 transitions. [2018-11-23 01:31:55,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:31:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 15385 states and 21885 transitions. [2018-11-23 01:31:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 01:31:55,720 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:55,720 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:55,720 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:55,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:55,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1897860808, now seen corresponding path program 5 times [2018-11-23 01:31:55,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:55,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:55,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:55,722 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:55,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:55,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:55,773 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:55,782 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 01:31:55,791 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-23 01:31:55,791 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:55,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:55,810 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:55,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-23 01:31:55,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:31:55,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:31:55,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:31:55,811 INFO L87 Difference]: Start difference. First operand 15385 states and 21885 transitions. Second operand 8 states. [2018-11-23 01:31:56,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:56,134 INFO L93 Difference]: Finished difference Result 22701 states and 32845 transitions. [2018-11-23 01:31:56,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:31:56,134 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-11-23 01:31:56,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:56,149 INFO L225 Difference]: With dead ends: 22701 [2018-11-23 01:31:56,149 INFO L226 Difference]: Without dead ends: 22699 [2018-11-23 01:31:56,151 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:31:56,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22699 states. [2018-11-23 01:31:56,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22699 to 18977. [2018-11-23 01:31:56,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18977 states. [2018-11-23 01:31:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18977 states to 18977 states and 26868 transitions. [2018-11-23 01:31:56,471 INFO L78 Accepts]: Start accepts. Automaton has 18977 states and 26868 transitions. Word has length 58 [2018-11-23 01:31:56,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:56,471 INFO L480 AbstractCegarLoop]: Abstraction has 18977 states and 26868 transitions. [2018-11-23 01:31:56,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:31:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 18977 states and 26868 transitions. [2018-11-23 01:31:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:31:56,472 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:56,473 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:56,473 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:56,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:56,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1695921494, now seen corresponding path program 7 times [2018-11-23 01:31:56,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:56,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:56,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:56,474 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:56,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:56,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:56,553 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:56,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:56,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:56,602 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:56,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-23 01:31:56,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:31:56,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:31:56,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:31:56,603 INFO L87 Difference]: Start difference. First operand 18977 states and 26868 transitions. Second operand 10 states. [2018-11-23 01:31:56,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:56,934 INFO L93 Difference]: Finished difference Result 26255 states and 37782 transitions. [2018-11-23 01:31:56,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 01:31:56,934 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-11-23 01:31:56,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:56,954 INFO L225 Difference]: With dead ends: 26255 [2018-11-23 01:31:56,954 INFO L226 Difference]: Without dead ends: 26253 [2018-11-23 01:31:56,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:31:56,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26253 states. [2018-11-23 01:31:57,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26253 to 22315. [2018-11-23 01:31:57,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22315 states. [2018-11-23 01:31:57,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22315 states to 22315 states and 31477 transitions. [2018-11-23 01:31:57,428 INFO L78 Accepts]: Start accepts. Automaton has 22315 states and 31477 transitions. Word has length 60 [2018-11-23 01:31:57,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:57,428 INFO L480 AbstractCegarLoop]: Abstraction has 22315 states and 31477 transitions. [2018-11-23 01:31:57,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:31:57,428 INFO L276 IsEmpty]: Start isEmpty. Operand 22315 states and 31477 transitions. [2018-11-23 01:31:57,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:31:57,430 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:57,430 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:57,430 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:57,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:57,430 INFO L82 PathProgramCache]: Analyzing trace with hash 2090391817, now seen corresponding path program 5 times [2018-11-23 01:31:57,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:57,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:57,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:57,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:57,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:57,502 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:57,503 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:57,519 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 01:31:57,546 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-23 01:31:57,546 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:57,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:57,567 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:57,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-23 01:31:57,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:31:57,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:31:57,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:31:57,568 INFO L87 Difference]: Start difference. First operand 22315 states and 31477 transitions. Second operand 9 states. [2018-11-23 01:31:57,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:57,960 INFO L93 Difference]: Finished difference Result 32959 states and 46936 transitions. [2018-11-23 01:31:57,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 01:31:57,961 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2018-11-23 01:31:57,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:57,986 INFO L225 Difference]: With dead ends: 32959 [2018-11-23 01:31:57,986 INFO L226 Difference]: Without dead ends: 32958 [2018-11-23 01:31:57,992 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:31:58,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32958 states. [2018-11-23 01:31:58,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32958 to 23709. [2018-11-23 01:31:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23709 states. [2018-11-23 01:31:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23709 states to 23709 states and 33466 transitions. [2018-11-23 01:31:58,532 INFO L78 Accepts]: Start accepts. Automaton has 23709 states and 33466 transitions. Word has length 61 [2018-11-23 01:31:58,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:58,532 INFO L480 AbstractCegarLoop]: Abstraction has 23709 states and 33466 transitions. [2018-11-23 01:31:58,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:31:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 23709 states and 33466 transitions. [2018-11-23 01:31:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 01:31:58,534 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:58,534 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:58,534 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:58,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:58,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1521886379, now seen corresponding path program 4 times [2018-11-23 01:31:58,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:58,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:58,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:58,535 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:58,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:58,579 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:58,579 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:58,589 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 01:31:58,599 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 01:31:58,599 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:58,600 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:58,621 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:58,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-23 01:31:58,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:31:58,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:31:58,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:31:58,622 INFO L87 Difference]: Start difference. First operand 23709 states and 33466 transitions. Second operand 8 states. [2018-11-23 01:31:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:59,042 INFO L93 Difference]: Finished difference Result 33673 states and 48022 transitions. [2018-11-23 01:31:59,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:31:59,042 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2018-11-23 01:31:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:59,068 INFO L225 Difference]: With dead ends: 33673 [2018-11-23 01:31:59,069 INFO L226 Difference]: Without dead ends: 33672 [2018-11-23 01:31:59,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:31:59,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33672 states. [2018-11-23 01:31:59,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33672 to 25273. [2018-11-23 01:31:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25273 states. [2018-11-23 01:31:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25273 states to 25273 states and 35688 transitions. [2018-11-23 01:31:59,568 INFO L78 Accepts]: Start accepts. Automaton has 25273 states and 35688 transitions. Word has length 65 [2018-11-23 01:31:59,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:59,569 INFO L480 AbstractCegarLoop]: Abstraction has 25273 states and 35688 transitions. [2018-11-23 01:31:59,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:31:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 25273 states and 35688 transitions. [2018-11-23 01:31:59,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 01:31:59,571 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:59,571 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-23 01:31:59,571 INFO L423 AbstractCegarLoop]: === Iteration 31 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:31:59,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:59,571 INFO L82 PathProgramCache]: Analyzing trace with hash -690121846, now seen corresponding path program 8 times [2018-11-23 01:31:59,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:31:59,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:31:59,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:59,572 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:31:59,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:31:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:59,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:31:59,652 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:31:59,658 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 01:31:59,669 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 01:31:59,670 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:31:59,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:31:59,693 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:31:59,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-23 01:31:59,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 01:31:59,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 01:31:59,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:31:59,693 INFO L87 Difference]: Start difference. First operand 25273 states and 35688 transitions. Second operand 11 states. [2018-11-23 01:32:00,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:00,270 INFO L93 Difference]: Finished difference Result 34134 states and 48972 transitions. [2018-11-23 01:32:00,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 01:32:00,271 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2018-11-23 01:32:00,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:00,298 INFO L225 Difference]: With dead ends: 34134 [2018-11-23 01:32:00,298 INFO L226 Difference]: Without dead ends: 34132 [2018-11-23 01:32:00,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:32:00,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34132 states. [2018-11-23 01:32:00,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34132 to 29349. [2018-11-23 01:32:00,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29349 states. [2018-11-23 01:32:00,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29349 states to 29349 states and 41310 transitions. [2018-11-23 01:32:00,846 INFO L78 Accepts]: Start accepts. Automaton has 29349 states and 41310 transitions. Word has length 67 [2018-11-23 01:32:00,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:00,846 INFO L480 AbstractCegarLoop]: Abstraction has 29349 states and 41310 transitions. [2018-11-23 01:32:00,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 01:32:00,846 INFO L276 IsEmpty]: Start isEmpty. Operand 29349 states and 41310 transitions. [2018-11-23 01:32:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 01:32:00,848 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:00,848 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:00,848 INFO L423 AbstractCegarLoop]: === Iteration 32 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:00,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:00,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1044856365, now seen corresponding path program 6 times [2018-11-23 01:32:00,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:00,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:00,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:00,849 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:00,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:00,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:00,905 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:00,921 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 01:32:00,933 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-23 01:32:00,933 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:00,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:00,941 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:00,955 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:00,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-23 01:32:00,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:32:00,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:32:00,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:32:00,956 INFO L87 Difference]: Start difference. First operand 29349 states and 41310 transitions. Second operand 9 states. [2018-11-23 01:32:01,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:01,546 INFO L93 Difference]: Finished difference Result 41884 states and 59975 transitions. [2018-11-23 01:32:01,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 01:32:01,546 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2018-11-23 01:32:01,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:01,577 INFO L225 Difference]: With dead ends: 41884 [2018-11-23 01:32:01,577 INFO L226 Difference]: Without dead ends: 41882 [2018-11-23 01:32:01,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:32:01,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41882 states. [2018-11-23 01:32:02,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41882 to 35469. [2018-11-23 01:32:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35469 states. [2018-11-23 01:32:02,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35469 states to 35469 states and 49722 transitions. [2018-11-23 01:32:02,228 INFO L78 Accepts]: Start accepts. Automaton has 35469 states and 49722 transitions. Word has length 67 [2018-11-23 01:32:02,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:02,228 INFO L480 AbstractCegarLoop]: Abstraction has 35469 states and 49722 transitions. [2018-11-23 01:32:02,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:32:02,228 INFO L276 IsEmpty]: Start isEmpty. Operand 35469 states and 49722 transitions. [2018-11-23 01:32:02,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 01:32:02,230 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:02,230 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:02,230 INFO L423 AbstractCegarLoop]: === Iteration 33 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:02,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:02,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1351429389, now seen corresponding path program 6 times [2018-11-23 01:32:02,230 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:02,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:02,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:02,231 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:02,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:02,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:02,295 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:02,302 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 01:32:02,317 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-23 01:32:02,317 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:02,318 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:02,340 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:02,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-23 01:32:02,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:32:02,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:32:02,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:32:02,340 INFO L87 Difference]: Start difference. First operand 35469 states and 49722 transitions. Second operand 10 states. [2018-11-23 01:32:02,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:02,947 INFO L93 Difference]: Finished difference Result 51133 states and 72401 transitions. [2018-11-23 01:32:02,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 01:32:02,947 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2018-11-23 01:32:02,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:03,004 INFO L225 Difference]: With dead ends: 51133 [2018-11-23 01:32:03,005 INFO L226 Difference]: Without dead ends: 51132 [2018-11-23 01:32:03,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:32:03,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51132 states. [2018-11-23 01:32:03,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51132 to 37265. [2018-11-23 01:32:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37265 states. [2018-11-23 01:32:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37265 states to 37265 states and 52275 transitions. [2018-11-23 01:32:03,945 INFO L78 Accepts]: Start accepts. Automaton has 37265 states and 52275 transitions. Word has length 69 [2018-11-23 01:32:03,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:03,945 INFO L480 AbstractCegarLoop]: Abstraction has 37265 states and 52275 transitions. [2018-11-23 01:32:03,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:32:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 37265 states and 52275 transitions. [2018-11-23 01:32:03,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 01:32:03,948 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:03,948 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:03,948 INFO L423 AbstractCegarLoop]: === Iteration 34 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:03,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:03,948 INFO L82 PathProgramCache]: Analyzing trace with hash -2049109290, now seen corresponding path program 9 times [2018-11-23 01:32:03,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:03,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:03,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:03,949 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:03,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:04,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:04,032 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:04,039 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 01:32:04,052 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-23 01:32:04,052 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:04,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:04,072 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:04,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-23 01:32:04,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 01:32:04,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 01:32:04,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 01:32:04,073 INFO L87 Difference]: Start difference. First operand 37265 states and 52275 transitions. Second operand 12 states. [2018-11-23 01:32:04,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:04,666 INFO L93 Difference]: Finished difference Result 49303 states and 70258 transitions. [2018-11-23 01:32:04,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 01:32:04,667 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 74 [2018-11-23 01:32:04,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:04,710 INFO L225 Difference]: With dead ends: 49303 [2018-11-23 01:32:04,710 INFO L226 Difference]: Without dead ends: 49301 [2018-11-23 01:32:04,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 01:32:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49301 states. [2018-11-23 01:32:05,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49301 to 42817. [2018-11-23 01:32:05,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42817 states. [2018-11-23 01:32:05,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42817 states to 42817 states and 59893 transitions. [2018-11-23 01:32:05,619 INFO L78 Accepts]: Start accepts. Automaton has 42817 states and 59893 transitions. Word has length 74 [2018-11-23 01:32:05,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:05,620 INFO L480 AbstractCegarLoop]: Abstraction has 42817 states and 59893 transitions. [2018-11-23 01:32:05,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 01:32:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 42817 states and 59893 transitions. [2018-11-23 01:32:05,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 01:32:05,622 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:05,622 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:05,623 INFO L423 AbstractCegarLoop]: === Iteration 35 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:05,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:05,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1528834600, now seen corresponding path program 5 times [2018-11-23 01:32:05,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:05,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:05,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:05,623 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:05,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:05,673 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:05,673 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:05,680 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 01:32:05,691 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-11-23 01:32:05,691 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:05,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:05,716 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:05,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-11-23 01:32:05,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:32:05,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:32:05,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:32:05,717 INFO L87 Difference]: Start difference. First operand 42817 states and 59893 transitions. Second operand 9 states. [2018-11-23 01:32:06,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:06,403 INFO L93 Difference]: Finished difference Result 59106 states and 83567 transitions. [2018-11-23 01:32:06,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 01:32:06,403 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2018-11-23 01:32:06,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:06,456 INFO L225 Difference]: With dead ends: 59106 [2018-11-23 01:32:06,456 INFO L226 Difference]: Without dead ends: 59105 [2018-11-23 01:32:06,466 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:32:06,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59105 states. [2018-11-23 01:32:07,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59105 to 45009. [2018-11-23 01:32:07,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45009 states. [2018-11-23 01:32:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45009 states to 45009 states and 62991 transitions. [2018-11-23 01:32:07,376 INFO L78 Accepts]: Start accepts. Automaton has 45009 states and 62991 transitions. Word has length 75 [2018-11-23 01:32:07,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:07,376 INFO L480 AbstractCegarLoop]: Abstraction has 45009 states and 62991 transitions. [2018-11-23 01:32:07,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:32:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 45009 states and 62991 transitions. [2018-11-23 01:32:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 01:32:07,380 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:07,380 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:07,380 INFO L423 AbstractCegarLoop]: === Iteration 36 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:07,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:07,380 INFO L82 PathProgramCache]: Analyzing trace with hash -427799768, now seen corresponding path program 7 times [2018-11-23 01:32:07,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:07,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:07,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:07,381 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:07,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:07,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:07,461 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:07,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:32:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:07,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:07,489 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:07,504 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:07,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-23 01:32:07,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:32:07,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:32:07,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:32:07,505 INFO L87 Difference]: Start difference. First operand 45009 states and 62991 transitions. Second operand 10 states. [2018-11-23 01:32:08,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:08,367 INFO L93 Difference]: Finished difference Result 62469 states and 88924 transitions. [2018-11-23 01:32:08,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 01:32:08,367 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2018-11-23 01:32:08,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:08,422 INFO L225 Difference]: With dead ends: 62469 [2018-11-23 01:32:08,422 INFO L226 Difference]: Without dead ends: 62467 [2018-11-23 01:32:08,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:32:08,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62467 states. [2018-11-23 01:32:09,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62467 to 53493. [2018-11-23 01:32:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53493 states. [2018-11-23 01:32:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53493 states to 53493 states and 74602 transitions. [2018-11-23 01:32:09,480 INFO L78 Accepts]: Start accepts. Automaton has 53493 states and 74602 transitions. Word has length 76 [2018-11-23 01:32:09,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:09,480 INFO L480 AbstractCegarLoop]: Abstraction has 53493 states and 74602 transitions. [2018-11-23 01:32:09,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:32:09,481 INFO L276 IsEmpty]: Start isEmpty. Operand 53493 states and 74602 transitions. [2018-11-23 01:32:09,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 01:32:09,483 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:09,484 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:09,484 INFO L423 AbstractCegarLoop]: === Iteration 37 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:09,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:09,484 INFO L82 PathProgramCache]: Analyzing trace with hash 265372381, now seen corresponding path program 7 times [2018-11-23 01:32:09,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:09,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:09,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:09,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:32:09,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:09,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:09,566 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:09,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:32:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:09,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:09,614 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:09,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-23 01:32:09,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 01:32:09,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 01:32:09,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:32:09,615 INFO L87 Difference]: Start difference. First operand 53493 states and 74602 transitions. Second operand 11 states. [2018-11-23 01:32:10,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:10,644 INFO L93 Difference]: Finished difference Result 75502 states and 106384 transitions. [2018-11-23 01:32:10,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 01:32:10,644 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2018-11-23 01:32:10,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:10,710 INFO L225 Difference]: With dead ends: 75502 [2018-11-23 01:32:10,710 INFO L226 Difference]: Without dead ends: 75501 [2018-11-23 01:32:10,721 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:32:10,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75501 states. [2018-11-23 01:32:11,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75501 to 55737. [2018-11-23 01:32:11,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55737 states. [2018-11-23 01:32:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55737 states to 55737 states and 77782 transitions. [2018-11-23 01:32:11,890 INFO L78 Accepts]: Start accepts. Automaton has 55737 states and 77782 transitions. Word has length 77 [2018-11-23 01:32:11,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:11,890 INFO L480 AbstractCegarLoop]: Abstraction has 55737 states and 77782 transitions. [2018-11-23 01:32:11,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 01:32:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 55737 states and 77782 transitions. [2018-11-23 01:32:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-23 01:32:11,893 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:11,893 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:11,894 INFO L423 AbstractCegarLoop]: === Iteration 38 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:11,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:11,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1444546058, now seen corresponding path program 10 times [2018-11-23 01:32:11,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:11,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:11,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:11,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:32:11,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:11,963 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:11,963 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:11,970 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 01:32:11,982 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 01:32:11,983 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:11,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:12,004 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:12,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2018-11-23 01:32:12,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 01:32:12,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 01:32:12,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-11-23 01:32:12,005 INFO L87 Difference]: Start difference. First operand 55737 states and 77782 transitions. Second operand 13 states. [2018-11-23 01:32:12,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:12,891 INFO L93 Difference]: Finished difference Result 72432 states and 102654 transitions. [2018-11-23 01:32:12,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 01:32:12,891 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 81 [2018-11-23 01:32:12,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:12,957 INFO L225 Difference]: With dead ends: 72432 [2018-11-23 01:32:12,957 INFO L226 Difference]: Without dead ends: 72430 [2018-11-23 01:32:12,969 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-11-23 01:32:13,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72430 states. [2018-11-23 01:32:14,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72430 to 63455. [2018-11-23 01:32:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63455 states. [2018-11-23 01:32:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63455 states to 63455 states and 88331 transitions. [2018-11-23 01:32:14,420 INFO L78 Accepts]: Start accepts. Automaton has 63455 states and 88331 transitions. Word has length 81 [2018-11-23 01:32:14,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:14,420 INFO L480 AbstractCegarLoop]: Abstraction has 63455 states and 88331 transitions. [2018-11-23 01:32:14,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 01:32:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 63455 states and 88331 transitions. [2018-11-23 01:32:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 01:32:14,424 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:14,424 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:14,424 INFO L423 AbstractCegarLoop]: === Iteration 39 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:14,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:14,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1692281031, now seen corresponding path program 8 times [2018-11-23 01:32:14,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:14,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:14,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:14,425 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:14,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:14,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:14,511 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:14,518 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 01:32:14,528 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 01:32:14,529 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:14,530 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:14,551 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:14,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-23 01:32:14,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 01:32:14,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 01:32:14,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 01:32:14,551 INFO L87 Difference]: Start difference. First operand 63455 states and 88331 transitions. Second operand 12 states. [2018-11-23 01:32:15,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:15,615 INFO L93 Difference]: Finished difference Result 87915 states and 123650 transitions. [2018-11-23 01:32:15,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 01:32:15,615 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 85 [2018-11-23 01:32:15,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:15,697 INFO L225 Difference]: With dead ends: 87915 [2018-11-23 01:32:15,697 INFO L226 Difference]: Without dead ends: 87914 [2018-11-23 01:32:15,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 01:32:15,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87914 states. [2018-11-23 01:32:17,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87914 to 65699. [2018-11-23 01:32:17,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65699 states. [2018-11-23 01:32:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65699 states to 65699 states and 91511 transitions. [2018-11-23 01:32:17,299 INFO L78 Accepts]: Start accepts. Automaton has 65699 states and 91511 transitions. Word has length 85 [2018-11-23 01:32:17,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:17,299 INFO L480 AbstractCegarLoop]: Abstraction has 65699 states and 91511 transitions. [2018-11-23 01:32:17,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 01:32:17,299 INFO L276 IsEmpty]: Start isEmpty. Operand 65699 states and 91511 transitions. [2018-11-23 01:32:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 01:32:17,303 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:17,303 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:17,304 INFO L423 AbstractCegarLoop]: === Iteration 40 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:17,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:17,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1685753485, now seen corresponding path program 8 times [2018-11-23 01:32:17,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:17,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:17,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:17,305 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:17,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:17,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:17,365 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:17,372 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 01:32:17,382 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 01:32:17,382 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:17,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:17,404 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:17,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-23 01:32:17,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 01:32:17,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 01:32:17,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:32:17,405 INFO L87 Difference]: Start difference. First operand 65699 states and 91511 transitions. Second operand 11 states. [2018-11-23 01:32:18,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:18,506 INFO L93 Difference]: Finished difference Result 88656 states and 125565 transitions. [2018-11-23 01:32:18,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 01:32:18,507 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 85 [2018-11-23 01:32:18,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:18,589 INFO L225 Difference]: With dead ends: 88656 [2018-11-23 01:32:18,589 INFO L226 Difference]: Without dead ends: 88654 [2018-11-23 01:32:18,606 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:32:18,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88654 states. [2018-11-23 01:32:20,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88654 to 76293. [2018-11-23 01:32:20,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76293 states. [2018-11-23 01:32:20,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76293 states to 76293 states and 105928 transitions. [2018-11-23 01:32:20,180 INFO L78 Accepts]: Start accepts. Automaton has 76293 states and 105928 transitions. Word has length 85 [2018-11-23 01:32:20,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:20,181 INFO L480 AbstractCegarLoop]: Abstraction has 76293 states and 105928 transitions. [2018-11-23 01:32:20,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 01:32:20,181 INFO L276 IsEmpty]: Start isEmpty. Operand 76293 states and 105928 transitions. [2018-11-23 01:32:20,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 01:32:20,185 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:20,186 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:20,186 INFO L423 AbstractCegarLoop]: === Iteration 41 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:20,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:20,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1536406213, now seen corresponding path program 6 times [2018-11-23 01:32:20,186 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:20,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:20,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:20,187 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:20,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:20,250 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:20,250 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:20,256 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 01:32:20,269 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-11-23 01:32:20,269 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:20,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:20,276 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:20,291 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:20,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-23 01:32:20,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:32:20,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:32:20,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:32:20,291 INFO L87 Difference]: Start difference. First operand 76293 states and 105928 transitions. Second operand 10 states. [2018-11-23 01:32:21,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:21,817 INFO L93 Difference]: Finished difference Result 109927 states and 154225 transitions. [2018-11-23 01:32:21,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 01:32:21,817 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-11-23 01:32:21,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:21,917 INFO L225 Difference]: With dead ends: 109927 [2018-11-23 01:32:21,917 INFO L226 Difference]: Without dead ends: 109926 [2018-11-23 01:32:21,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:32:21,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109926 states. [2018-11-23 01:32:23,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109926 to 80157. [2018-11-23 01:32:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80157 states. [2018-11-23 01:32:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80157 states to 80157 states and 111367 transitions. [2018-11-23 01:32:23,697 INFO L78 Accepts]: Start accepts. Automaton has 80157 states and 111367 transitions. Word has length 85 [2018-11-23 01:32:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:23,698 INFO L480 AbstractCegarLoop]: Abstraction has 80157 states and 111367 transitions. [2018-11-23 01:32:23,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:32:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 80157 states and 111367 transitions. [2018-11-23 01:32:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 01:32:23,703 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:23,703 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:23,703 INFO L423 AbstractCegarLoop]: === Iteration 42 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:23,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:23,704 INFO L82 PathProgramCache]: Analyzing trace with hash -508374954, now seen corresponding path program 11 times [2018-11-23 01:32:23,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:23,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:23,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:23,705 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:23,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:23,792 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:23,792 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:23,801 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 01:32:23,819 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2018-11-23 01:32:23,819 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:23,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 01:32:24,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:32:24,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 25 [2018-11-23 01:32:24,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-23 01:32:24,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-23 01:32:24,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-11-23 01:32:24,009 INFO L87 Difference]: Start difference. First operand 80157 states and 111367 transitions. Second operand 25 states. [2018-11-23 01:32:25,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:25,768 INFO L93 Difference]: Finished difference Result 99235 states and 136781 transitions. [2018-11-23 01:32:25,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-11-23 01:32:25,768 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 88 [2018-11-23 01:32:25,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:25,769 INFO L225 Difference]: With dead ends: 99235 [2018-11-23 01:32:25,769 INFO L226 Difference]: Without dead ends: 501 [2018-11-23 01:32:25,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2402 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=2313, Invalid=5877, Unknown=0, NotChecked=0, Total=8190 [2018-11-23 01:32:25,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-11-23 01:32:25,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 310. [2018-11-23 01:32:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-11-23 01:32:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 348 transitions. [2018-11-23 01:32:25,837 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 348 transitions. Word has length 88 [2018-11-23 01:32:25,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:25,837 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 348 transitions. [2018-11-23 01:32:25,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-23 01:32:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 348 transitions. [2018-11-23 01:32:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 01:32:25,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:25,837 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:25,838 INFO L423 AbstractCegarLoop]: === Iteration 43 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:25,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:25,838 INFO L82 PathProgramCache]: Analyzing trace with hash 879701896, now seen corresponding path program 9 times [2018-11-23 01:32:25,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:25,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:25,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:25,839 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:25,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:25,984 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:25,984 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:25,991 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 01:32:26,005 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-23 01:32:26,006 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:26,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:26,029 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:26,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-23 01:32:26,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 01:32:26,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 01:32:26,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 01:32:26,030 INFO L87 Difference]: Start difference. First operand 310 states and 348 transitions. Second operand 12 states. [2018-11-23 01:32:26,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:26,053 INFO L93 Difference]: Finished difference Result 323 states and 361 transitions. [2018-11-23 01:32:26,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 01:32:26,054 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2018-11-23 01:32:26,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:26,054 INFO L225 Difference]: With dead ends: 323 [2018-11-23 01:32:26,054 INFO L226 Difference]: Without dead ends: 246 [2018-11-23 01:32:26,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 01:32:26,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-11-23 01:32:26,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 226. [2018-11-23 01:32:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 01:32:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 264 transitions. [2018-11-23 01:32:26,059 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 264 transitions. Word has length 94 [2018-11-23 01:32:26,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:26,059 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 264 transitions. [2018-11-23 01:32:26,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 01:32:26,059 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 264 transitions. [2018-11-23 01:32:26,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 01:32:26,059 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:26,059 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:26,060 INFO L423 AbstractCegarLoop]: === Iteration 44 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:26,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:26,060 INFO L82 PathProgramCache]: Analyzing trace with hash 270660750, now seen corresponding path program 7 times [2018-11-23 01:32:26,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:26,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:26,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:26,060 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:32:26,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:26,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:26,109 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/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 [2018-11-23 01:32:26,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:32:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:26,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:26,149 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:26,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-11-23 01:32:26,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 01:32:26,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 01:32:26,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:32:26,150 INFO L87 Difference]: Start difference. First operand 226 states and 264 transitions. Second operand 11 states. [2018-11-23 01:32:26,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:26,172 INFO L93 Difference]: Finished difference Result 247 states and 284 transitions. [2018-11-23 01:32:26,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 01:32:26,172 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-11-23 01:32:26,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:26,172 INFO L225 Difference]: With dead ends: 247 [2018-11-23 01:32:26,172 INFO L226 Difference]: Without dead ends: 106 [2018-11-23 01:32:26,173 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:32:26,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-23 01:32:26,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-23 01:32:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-23 01:32:26,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 105 transitions. [2018-11-23 01:32:26,175 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 105 transitions. Word has length 95 [2018-11-23 01:32:26,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:26,175 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 105 transitions. [2018-11-23 01:32:26,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 01:32:26,175 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 105 transitions. [2018-11-23 01:32:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 01:32:26,175 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:32:26,176 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-11-23 01:32:26,176 INFO L423 AbstractCegarLoop]: === Iteration 45 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 01:32:26,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:32:26,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1806118879, now seen corresponding path program 8 times [2018-11-23 01:32:26,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:32:26,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:32:26,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:26,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:32:26,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:32:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:32:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:26,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:32:26,232 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:32:26,238 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 01:32:26,253 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 01:32:26,253 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 01:32:26,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:32:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:32:26,278 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:32:26,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-11-23 01:32:26,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 01:32:26,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 01:32:26,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 01:32:26,278 INFO L87 Difference]: Start difference. First operand 106 states and 105 transitions. Second operand 12 states. [2018-11-23 01:32:26,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:32:26,294 INFO L93 Difference]: Finished difference Result 106 states and 105 transitions. [2018-11-23 01:32:26,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 01:32:26,294 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2018-11-23 01:32:26,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:32:26,294 INFO L225 Difference]: With dead ends: 106 [2018-11-23 01:32:26,294 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:32:26,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-23 01:32:26,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:32:26,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:32:26,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:32:26,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:32:26,295 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2018-11-23 01:32:26,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:32:26,295 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:32:26,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 01:32:26,296 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:32:26,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:32:26,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:32:27,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:27,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:28,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:29,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:29,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:29,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:30,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:30,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:34,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:36,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:36,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:37,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:38,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:38,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:38,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:39,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:39,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:39,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:39,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:40,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:40,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:40,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:42,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:43,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:47,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:47,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:48,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:52,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:53,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:53,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:56,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:56,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:58,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:32:59,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:02,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:08,273 WARN L180 SmtUtils]: Spent 41.96 s on a formula simplification. DAG size of input: 4688 DAG size of output: 2713 [2018-11-23 01:34:08,005 WARN L180 SmtUtils]: Spent 59.68 s on a formula simplification. DAG size of input: 2296 DAG size of output: 370 [2018-11-23 01:34:08,009 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 01:34:08,009 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:34:08,009 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:34:08,009 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 01:34:08,009 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:34:08,009 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:34:08,009 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-23 01:34:08,009 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-11-23 01:34:08,009 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2018-11-23 01:34:08,009 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-23 01:34:08,009 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 33) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-11-23 01:34:08,010 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 32) no Hoare annotation was computed. [2018-11-23 01:34:08,012 INFO L444 ceAbstractionStarter]: At program point L22-1(lines 19 33) the Hoare annotation is: (let ((.cse77 (<= 0 (+ main_~x~0 2147483648))) (.cse70 (<= 0 main_~i~0)) (.cse5 (<= main_~N~0 10)) (.cse78 (<= 0 (+ main_~y~0 2147483648)))) (let ((.cse33 (<= main_~x~0 2)) (.cse17 (<= 0 main_~x~0)) (.cse43 (<= main_~x~0 3)) (.cse1 (<= 0 (+ main_~x~0 2))) (.cse19 (and .cse77 .cse70 .cse5 .cse78)) (.cse2 (<= 0 main_~y~0))) (let ((.cse54 (<= 0 (+ main_~y~0 1))) (.cse29 (<= main_~y~0 2)) (.cse22 (<= 0 (+ main_~x~0 4))) (.cse24 (<= 0 (+ main_~y~0 2))) (.cse14 (<= main_~y~0 3)) (.cse28 (and .cse77 .cse70 .cse2 .cse5)) (.cse60 (and .cse1 .cse19)) (.cse40 (and .cse70 .cse5)) (.cse41 (<= 0 (+ main_~x~0 1))) (.cse56 (<= main_~x~0 1)) (.cse67 (and .cse43 .cse70 .cse5)) (.cse42 (<= 0 (+ main_~x~0 5))) (.cse27 (<= 0 (+ main_~x~0 3))) (.cse47 (and .cse70 .cse5 .cse17 .cse78)) (.cse10 (and .cse70 .cse33 .cse5 .cse17 .cse78)) (.cse12 (<= main_~y~0 0)) (.cse64 (and .cse77 .cse70 .cse5)) (.cse4 (<= main_~x~0 0))) (let ((.cse44 (<= 0 (+ main_~x~0 9))) (.cse53 (<= 1 main_~i~0)) (.cse38 (and .cse2 .cse64 .cse4)) (.cse66 (and .cse10 .cse12)) (.cse59 (and .cse43 .cse47)) (.cse34 (and .cse27 .cse19)) (.cse25 (<= main_~x~0 9)) (.cse65 (and .cse42 .cse4 .cse5 .cse78)) (.cse35 (and .cse70 .cse2 .cse4 .cse5 .cse17)) (.cse36 (<= main_~y~0 8)) (.cse55 (<= 0 (+ main_~y~0 7))) (.cse8 (<= main_~y~0 6)) (.cse74 (and .cse2 .cse67)) (.cse49 (and .cse70 .cse56 .cse2 .cse5)) (.cse7 (and .cse40 .cse2 .cse41)) (.cse75 (and .cse60 .cse12)) (.cse51 (and .cse14 .cse28)) (.cse58 (<= 0 (+ main_~y~0 6))) (.cse62 (and .cse77 .cse70 .cse24 .cse4 .cse5)) (.cse21 (<= 0 (+ main_~y~0 3))) (.cse3 (<= main_~y~0 7)) (.cse37 (and .cse27 .cse70 .cse2 .cse5)) (.cse16 (<= main_~y~0 1)) (.cse31 (<= 0 (+ main_~x~0 7))) (.cse11 (<= 6 main_~i~0)) (.cse69 (<= main_~x~0 8)) (.cse50 (<= main_~y~0 5)) (.cse76 (and .cse70 .cse22 .cse4 .cse5 .cse78)) (.cse57 (<= 0 (+ main_~x~0 8))) (.cse71 (and .cse77 .cse70 .cse2 .cse29 .cse4 .cse5)) (.cse48 (<= main_~x~0 6)) (.cse32 (<= 8 main_~i~0)) (.cse18 (<= main_~x~0 5)) (.cse73 (and .cse22 .cse19)) (.cse39 (<= main_~y~0 4)) (.cse45 (<= 0 (+ main_~y~0 5))) (.cse72 (<= 2 main_~i~0)) (.cse52 (<= 4 main_~i~0)) (.cse15 (and .cse1 .cse64)) (.cse68 (and .cse28 .cse14 .cse17)) (.cse26 (<= 10 main_~i~0)) (.cse9 (<= 0 (+ main_~y~0 4))) (.cse13 (<= 5 main_~i~0)) (.cse30 (and .cse77 .cse70 .cse2 .cse4 .cse5)) (.cse61 (<= 3 main_~i~0)) (.cse46 (<= main_~x~0 4)) (.cse6 (<= 7 main_~i~0)) (.cse20 (<= 0 (+ main_~x~0 6))) (.cse23 (and .cse77 .cse54 .cse70 .cse4 .cse5)) (.cse0 (<= 9 main_~i~0)) (.cse63 (<= main_~x~0 7))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5)) (and .cse6 (and .cse7 .cse8 .cse4)) (and .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse2 .cse14 .cse15 .cse4) (and .cse2 .cse11 .cse16 .cse5 .cse17 .cse18) (and .cse19 .cse0 .cse20 .cse21 .cse4 .cse12) (and .cse22 .cse13 .cse23 .cse12) (and .cse6 .cse19 .cse24 .cse17 .cse12 .cse18) (and .cse25 .cse2 .cse16 .cse5 .cse17 .cse26) (and .cse27 .cse13 .cse28 .cse29 .cse4) (and .cse27 .cse13 .cse19 .cse24 .cse4 .cse12) (and .cse30 .cse6 .cse31 .cse12) (and .cse8 .cse2 .cse32 .cse33 .cse5 .cse17) (and .cse9 .cse6 .cse34 .cse4 .cse12) (and .cse35 .cse32 .cse36) (and .cse2 .cse33 .cse5 .cse17 .cse36 .cse26) (and .cse0 .cse8 .cse37 .cse4) (and .cse6 (and .cse22 .cse14 .cse38)) (and .cse39 .cse13 .cse40 .cse2 .cse41 .cse4) (and .cse9 .cse42 .cse19 .cse0 .cse4 .cse12) (and .cse13 (and .cse43 .cse2 .cse29 .cse5) .cse17) (and .cse23 .cse26 .cse44 .cse12) (and .cse45 .cse0 .cse46 .cse47 .cse12) (and .cse6 .cse48 .cse2 .cse16 .cse5 .cse17) (and .cse49 .cse50 .cse11 .cse17) (and .cse51 .cse0 .cse20 .cse4) (and .cse22 .cse52 .cse30 .cse12) (and (<= main_~x~0 10) .cse2 .cse5 .cse17 .cse26 .cse12) (and .cse53 .cse54 .cse4 .cse5 .cse17 .cse12) (and .cse6 .cse55 .cse4 .cse5 .cse17 .cse12) (and .cse52 .cse49 .cse14 .cse17) (and .cse42 (and .cse28 .cse14 .cse4) .cse32) (and .cse30 .cse26 .cse12) (and .cse7 .cse0 .cse4 .cse36) (and (or (and .cse55 .cse32 .cse41 .cse4 .cse5) (and .cse55 .cse56 .cse32 .cse5 .cse17)) .cse12) (and .cse57 .cse30 .cse32 .cse12) (and .cse0 .cse58 .cse59 .cse12) (and .cse34 .cse0 .cse58 .cse4 .cse12) (and .cse45 .cse32 .cse59 .cse12) (and .cse9 .cse60 .cse11 .cse4 .cse12) (and .cse61 .cse21 .cse4 .cse5 .cse17 .cse12) (and .cse62 .cse6 .cse42 .cse12) (and .cse52 .cse33 .cse24 .cse5 .cse17 .cse12) (and .cse52 .cse2 .cse46 .cse5 .cse17 .cse12) (and .cse0 .cse28 .cse63 .cse29 .cse17) (and .cse9 .cse0 .cse47 .cse12 .cse18) (and .cse7 .cse4 .cse26) (and .cse13 .cse2 .cse14 .cse33 .cse5 .cse17) (and .cse27 .cse2 .cse14 .cse64 .cse11 .cse4) (and .cse13 .cse10 .cse21 .cse12) (and .cse65 .cse2 .cse50 .cse26) (and .cse30 .cse0 .cse44 .cse12) (and .cse53 .cse2 .cse4 .cse16 .cse5 .cse17) (and .cse55 .cse66 .cse0) (and .cse54 .cse43 .cse52 .cse5 .cse17 .cse12) (and .cse6 .cse46 .cse21 .cse47 .cse12) (and .cse2 .cse4 .cse16 .cse5 .cse26 .cse44) (and .cse2 .cse14 .cse67 .cse11 .cse17) (and .cse37 .cse32 .cse50 .cse4) (and .cse54 .cse32 .cse63 .cse5 .cse17 .cse12) (and .cse54 .cse33 .cse61 .cse5 .cse17 .cse12) (and .cse1 .cse19 .cse52 .cse24 .cse4 .cse12) (and .cse35 .cse0 (<= main_~y~0 9)) (and .cse0 .cse2 .cse3 .cse33 .cse5 .cse17) (and .cse13 .cse2 .cse46 .cse16 .cse5 .cse17) (and .cse9 .cse52 .cse4 .cse5 .cse17 .cse12) (and .cse68 .cse32 .cse18) (and .cse32 .cse23 .cse31 .cse12) (and .cse19 .cse48 .cse32 .cse24 .cse17 .cse12) (and (or (and .cse53 .cse56 .cse2 .cse5 .cse17) (and .cse53 .cse2 .cse41 .cse4 .cse5)) .cse12) (and .cse39 .cse28 .cse0 .cse17 .cse18) (and .cse62 .cse0 .cse31 .cse12) (and .cse43 .cse2 .cse61 .cse5 .cse17 .cse12) (and .cse54 .cse0 .cse69 .cse5 .cse17 .cse12) (and .cse52 .cse2 .cse29 .cse33 .cse5 .cse17) (and .cse70 .cse2 .cse4 .cse5 .cse17 .cse12) (and .cse71 .cse20 .cse32) (and .cse13 .cse60 .cse21 .cse4 .cse12) (and .cse45 .cse13 .cse4 .cse5 .cse17 .cse12) (and .cse49 .cse3 .cse32 .cse17) (and .cse39 .cse13 .cse49 .cse17) (and .cse0 (and (and .cse48 .cse47) .cse21) .cse12) (and .cse72 .cse2 .cse33 .cse5 .cse17 .cse12) (and .cse25 .cse54 .cse5 .cse17 .cse26 .cse12) (and .cse9 .cse32 .cse73 .cse4 .cse12) (and .cse35 .cse8 .cse11) (and .cse30 .cse42 .cse13 .cse12) (and .cse8 (and .cse22 .cse38) .cse26) (and .cse6 .cse20 .cse2 .cse4 .cse16 .cse5) (and .cse2 .cse11 (and .cse39 .cse15) .cse4) (and .cse39 .cse28 .cse48 .cse17 .cse26) (and .cse52 .cse40 .cse2 .cse14 .cse41 .cse4) (and .cse8 .cse2 .cse32 .cse15 .cse4) (and .cse9 .cse48 .cse26 .cse47 .cse12) (and .cse0 .cse49 .cse17 .cse36) (and .cse28 .cse69 .cse29 .cse17 .cse26) (and .cse6 .cse2 .cse50 .cse33 .cse5 .cse17) (and .cse11 .cse58 .cse4 .cse5 .cse17 .cse12) (and .cse66 .cse26) (and (or (and .cse6 .cse41 .cse4 .cse5) (and .cse6 .cse56 .cse5 .cse17)) .cse58 .cse12) (and .cse57 .cse0 .cse2 .cse4 .cse16 .cse5) (and .cse6 .cse49 .cse8 .cse17) (and .cse63 .cse21 .cse26 .cse47 .cse12) (and .cse43 .cse11 .cse47 .cse21 .cse12) (and .cse39 .cse6 .cse37 .cse4) (and .cse7 .cse32 .cse3 .cse4) (and .cse9 .cse6 .cse59 .cse12) (and .cse35 .cse14 .cse61) (and .cse39 .cse2 .cse33 .cse11 .cse5 .cse17) (and .cse45 .cse34 .cse32 .cse4 .cse12) (and (and .cse39 .cse28) .cse20 .cse4 .cse26) (and .cse9 .cse32 .cse46 .cse47 .cse12) (and .cse42 .cse2 .cse11 .cse4 .cse16 .cse5) (and .cse28 .cse8 .cse46 .cse17 .cse26) (and .cse13 .cse2 .cse5 .cse17 .cse12 .cse18) (and .cse2 .cse69 .cse32 .cse5 .cse17 .cse12) (and .cse34 .cse11 .cse21 .cse4 .cse12) (and .cse62 .cse20 .cse32 .cse12) (and .cse25 .cse0 .cse2 .cse5 .cse17 .cse12) (and .cse54 .cse13 .cse46 .cse5 .cse17 .cse12) (and .cse54 .cse11 .cse5 .cse17 .cse12 .cse18) (and .cse35 .cse13 .cse50) (and .cse22 .cse13 .cse2 .cse4 .cse16 .cse5) (and .cse6 .cse28 .cse29 .cse17 .cse18) (and .cse19 .cse46 .cse11 .cse24 .cse17 .cse12) (and .cse9 .cse19 .cse20 .cse4 .cse26 .cse12) (and .cse35 .cse6 .cse3) (and .cse2 .cse33 .cse61 .cse16 .cse5 .cse17) (and .cse32 .cse2 .cse63 .cse16 .cse5 .cse17) (and .cse74 .cse3 .cse17 .cse26) (and .cse0 .cse2 .cse69 .cse16 .cse5 .cse17) (and (or (and .cse41 .cse61 .cse4 .cse5) (and .cse56 .cse61 .cse5 .cse17)) .cse24 .cse12) (and .cse27 .cse52 .cse23 .cse12) (and .cse55 .cse0 .cse4 .cse75) (and .cse60 .cse32 .cse58 .cse4 .cse12) (and .cse48 .cse2 .cse11 .cse5 .cse17 .cse12) (and .cse74 .cse32 .cse50 .cse17) (and .cse72 .cse56 .cse2 .cse16 .cse5 .cse17) (and .cse72 .cse24 .cse4 .cse5 .cse17 .cse12) (and .cse28 .cse50 .cse17 .cse26 .cse18) (and .cse19 .cse21 .cse4 .cse31 .cse26 .cse12) (and .cse54 .cse6 .cse48 .cse5 .cse17 .cse12) (and (<= 0 (+ main_~y~0 9)) (or (and .cse56 .cse0 .cse5 .cse17 .cse12) (and .cse0 .cse41 .cse4 .cse5 .cse12))) (and .cse6 .cse45 .cse60 .cse4 .cse12) (and .cse30 .cse20 .cse11 .cse12) (and .cse45 .cse65 .cse26 .cse12) (and .cse39 .cse35 .cse52) (and .cse32 .cse21 .cse47 .cse12 .cse18) (and .cse55 (and .cse43 .cse47 .cse12) .cse26) (and .cse28 .cse46 .cse29 .cse11 .cse17) (and .cse2 .cse15 .cse4 .cse36 .cse26) (and .cse6 .cse22 .cse19 .cse21 .cse4 .cse12) (and .cse55 (and .cse27 .cse5 .cse12) .cse4 .cse26) (and .cse0 .cse8 .cse74 .cse17) (and .cse57 .cse0 .cse23 .cse12) (and .cse40 .cse2 .cse29 .cse41 .cse61 .cse4) (and (or (and .cse45 .cse41 .cse11 .cse4 .cse5) (and .cse45 .cse56 .cse11 .cse5 .cse17)) .cse12) (and .cse32 .cse58 .cse10 .cse12) (and .cse42 .cse19 .cse32 .cse21 .cse4 .cse12) (and .cse6 .cse2 .cse50 .cse15 .cse4) (and .cse62 .cse22 .cse11 .cse12) (and .cse49 .cse17 .cse26) (and .cse7 .cse50 .cse11 .cse4) (and .cse28 .cse0 .cse50 .cse46 .cse17) (and .cse68 .cse0 .cse48) (and .cse1 .cse23 .cse61 .cse12) (and .cse58 .cse73 .cse4 .cse26 .cse12) (and .cse43 .cse52 .cse2 .cse16 .cse5 .cse17) (and .cse4 .cse75 .cse26) (and .cse51 .cse4 .cse31 .cse26) (and (<= 0 (+ main_~y~0 8)) .cse32 .cse4 .cse5 .cse17 .cse12) (and .cse46 .cse58 .cse26 .cse47 .cse12) (and .cse71 .cse0 .cse31) (and .cse42 .cse23 .cse11 .cse12) (and .cse57 .cse62 .cse26 .cse12) (and .cse6 .cse2 .cse63 .cse5 .cse17 .cse12) (and .cse72 .cse2 .cse41 .cse4 .cse16 .cse5) (and (and .cse39 .cse2 .cse76) .cse32) (and (or (and .cse56 .cse52 .cse5 .cse17) (and .cse52 .cse41 .cse4 .cse5)) .cse21 .cse12) (and .cse1 .cse2 .cse61 .cse4 .cse16 .cse5) (and .cse27 .cse52 .cse2 .cse4 .cse16 .cse5) (and .cse3 .cse37 .cse4 .cse26) (and .cse72 .cse2 .cse29 .cse4 .cse5 .cse17) (and .cse56 .cse2 .cse29 .cse61 .cse5 .cse17) (and .cse2 .cse32 .cse4 .cse16 .cse31 .cse5) (and .cse22 .cse2 .cse64 .cse29 .cse11 .cse4) (and (and .cse69 .cse24 .cse5 .cse17) .cse26 .cse12) (and .cse0 .cse2 .cse50 .cse76) (and .cse71 .cse6 .cse42) (and .cse57 .cse26 .cse71) (and .cse48 .cse28 .cse32 .cse29 .cse17) (and .cse39 .cse28 .cse32 .cse46 .cse17) (and .cse6 (and .cse39 .cse43 .cse2 .cse47)) (and .cse43 .cse13 .cse24 .cse47 .cse12) (and .cse45 .cse26 .cse47 .cse12 .cse18) (and .cse45 .cse0 .cse73 .cse4 .cse12) (and .cse1 .cse72 .cse30 .cse12) (and .cse0 (and .cse39 .cse42 .cse5) .cse2 .cse4) (and .cse6 .cse45 .cse10 .cse12) (and (or (and .cse72 .cse54 .cse41 .cse4 .cse5) (and .cse72 .cse54 .cse56 .cse5 .cse17)) .cse12) (and .cse52 .cse2 .cse29 .cse15 .cse4) (and .cse68 .cse63 .cse26) (and .cse9 (or (and .cse13 .cse41 .cse4 .cse5) (and .cse56 .cse13 .cse5 .cse17)) .cse12) (and .cse27 .cse30 .cse61 .cse12) (and .cse6 .cse28 .cse14 .cse46 .cse17) (and .cse6 .cse20 .cse23 .cse12) (and .cse19 .cse0 .cse63 .cse24 .cse17 .cse12)))))) [2018-11-23 01:34:08,012 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-11-23 01:34:08,012 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-11-23 01:34:08,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:34:08 BoogieIcfgContainer [2018-11-23 01:34:08,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:34:08,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:34:08,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:34:08,059 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:34:08,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:47" (3/4) ... [2018-11-23 01:34:08,063 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:34:08,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:34:08,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:34:08,075 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 01:34:08,075 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 01:34:08,075 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:34:08,075 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:34:08,122 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_506144c4-ec75-4758-a6e8-d03779c360c7/bin-2019/uautomizer/witness.graphml [2018-11-23 01:34:08,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:34:08,123 INFO L168 Benchmark]: Toolchain (without parser) took 140659.33 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.5 GB). Free memory was 959.3 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 936.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:34:08,123 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:34:08,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.61 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:34:08,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.63 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:34:08,124 INFO L168 Benchmark]: Boogie Preprocessor took 17.48 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:34:08,124 INFO L168 Benchmark]: RCFGBuilder took 225.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:34:08,124 INFO L168 Benchmark]: TraceAbstraction took 140183.50 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-23 01:34:08,125 INFO L168 Benchmark]: Witness Printer took 63.38 ms. Allocated memory is still 3.5 GB. Free memory is still 2.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:34:08,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.61 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.63 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.48 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 225.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 140183.50 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 63.38 ms. Allocated memory is still 3.5 GB. Free memory is still 2.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: 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: 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: 24]: 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: 30]: 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: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((9 <= i && (((0 <= x + 2 && 0 <= y) && y <= 7) && x <= 0) && N <= 10) || (7 <= i && ((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && y <= 6) && x <= 0)) || (((0 <= y + 4 && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 6 <= i) && y <= 0)) || ((((5 <= i && 0 <= y) && y <= 3) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((0 <= y && 6 <= i) && y <= 1) && N <= 10) && 0 <= x) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && 0 <= x + 6) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((0 <= x + 4 && 5 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || (((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && 0 <= x) && y <= 0) && x <= 5)) || (((((x <= 9 && 0 <= y) && y <= 1) && N <= 10) && 0 <= x) && 10 <= i)) || ((((0 <= x + 3 && 5 <= i) && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 2) && x <= 0)) || (((((0 <= x + 3 && 5 <= i) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 7) && y <= 0)) || (((((y <= 6 && 0 <= y) && 8 <= i) && x <= 2) && 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 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 8 <= i) && y <= 8)) || (((((0 <= y && x <= 2) && N <= 10) && 0 <= x) && y <= 8) && 10 <= i)) || (((9 <= i && y <= 6) && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0)) || (7 <= i && (0 <= x + 4 && y <= 3) && (0 <= y && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((y <= 4 && 5 <= i) && 0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && x <= 0)) || (((((0 <= y + 4 && 0 <= x + 5) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 0) && y <= 0)) || ((5 <= i && ((x <= 3 && 0 <= y) && y <= 2) && N <= 10) && 0 <= x)) || (((((((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 10 <= i) && 0 <= x + 9) && y <= 0)) || ((((0 <= y + 5 && 9 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((7 <= i && x <= 6) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || ((((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 5) && 6 <= i) && 0 <= x)) || ((((y <= 3 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && 0 <= x + 6) && x <= 0)) || (((0 <= x + 4 && 4 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 0)) || (((((x <= 10 && 0 <= y) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || (((((1 <= i && 0 <= y + 1) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((7 <= i && 0 <= y + 7) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((4 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x)) || ((0 <= x + 5 && ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 0) && 8 <= i)) || ((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && 9 <= i) && x <= 0) && y <= 8)) || ((((((0 <= y + 7 && 8 <= i) && 0 <= x + 1) && x <= 0) && N <= 10) || ((((0 <= y + 7 && x <= 1) && 8 <= i) && N <= 10) && 0 <= x)) && y <= 0)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 8 <= i) && y <= 0)) || (((9 <= i && 0 <= y + 6) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && 0 <= y + 6) && x <= 0) && y <= 0)) || (((0 <= y + 5 && 8 <= i) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((0 <= y + 4 && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && x <= 0) && y <= 0)) || (((((3 <= i && 0 <= y + 3) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 5) && y <= 0)) || (((((4 <= i && x <= 2) && 0 <= y + 2) && N <= 10) && 0 <= x) && y <= 0)) || (((((4 <= i && 0 <= y) && x <= 4) && N <= 10) && 0 <= x) && y <= 0)) || ((((9 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 7) && y <= 2) && 0 <= x)) || ((((0 <= y + 4 && 9 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || (((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && x <= 0) && 10 <= i)) || (((((5 <= i && 0 <= y) && y <= 3) && x <= 2) && N <= 10) && 0 <= x)) || (((((0 <= x + 3 && 0 <= y) && y <= 3) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && 6 <= i) && x <= 0)) || (((5 <= i && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || ((((((0 <= x + 5 && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 0 <= y) && y <= 5) && 10 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 9) && y <= 0)) || (((((1 <= i && 0 <= y) && x <= 0) && y <= 1) && N <= 10) && 0 <= x)) || ((0 <= y + 7 && ((((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 9 <= i)) || (((((0 <= y + 1 && x <= 3) && 4 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((7 <= i && x <= 4) && 0 <= y + 3) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= y && x <= 0) && y <= 1) && N <= 10) && 10 <= i) && 0 <= x + 9)) || ((((0 <= y && y <= 3) && (x <= 3 && 0 <= i) && N <= 10) && 6 <= i) && 0 <= x)) || ((((((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && y <= 5) && x <= 0)) || (((((0 <= y + 1 && 8 <= i) && x <= 7) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && x <= 2) && 3 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 4 <= i) && 0 <= y + 2) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 9 <= i) && y <= 9)) || (((((9 <= i && 0 <= y) && y <= 7) && x <= 2) && N <= 10) && 0 <= x)) || (((((5 <= i && 0 <= y) && x <= 4) && y <= 1) && N <= 10) && 0 <= x)) || (((((0 <= y + 4 && 4 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && 8 <= i) && x <= 5)) || (((8 <= i && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 0 <= x + 7) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 6) && 8 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || ((((((1 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) || ((((1 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) && y <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && 0 <= x) && x <= 5)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 7) && y <= 0)) || (((((x <= 3 && 0 <= y) && 3 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 9 <= i) && x <= 8) && N <= 10) && 0 <= x) && y <= 0)) || (((((4 <= i && 0 <= y) && y <= 2) && x <= 2) && N <= 10) && 0 <= x)) || (((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 0 <= x + 6) && 8 <= i)) || ((((5 <= i && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((0 <= y + 5 && 5 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 7) && 8 <= i) && 0 <= x)) || (((y <= 4 && 5 <= i) && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x)) || ((9 <= i && (x <= 6 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || (((((2 <= i && 0 <= y) && x <= 2) && N <= 10) && 0 <= x) && y <= 0)) || (((((x <= 9 && 0 <= y + 1) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || ((((0 <= y + 4 && 8 <= i) && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 6) && 6 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 0 <= x + 5) && 5 <= i) && y <= 0)) || ((y <= 6 && 0 <= x + 4 && (0 <= y && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0) && 10 <= i)) || (((((7 <= i && 0 <= x + 6) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((0 <= y && 6 <= i) && y <= 4 && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 6) && 0 <= x) && 10 <= i)) || (((((4 <= i && 0 <= i && N <= 10) && 0 <= y) && y <= 3) && 0 <= x + 1) && x <= 0)) || ((((y <= 6 && 0 <= y) && 8 <= i) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || ((((0 <= y + 4 && x <= 6) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((9 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) && y <= 8)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 8) && y <= 2) && 0 <= x) && 10 <= i)) || (((((7 <= i && 0 <= y) && y <= 5) && x <= 2) && N <= 10) && 0 <= x)) || (((((6 <= i && 0 <= y + 6) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || ((((((7 <= i && 0 <= x + 1) && x <= 0) && N <= 10) || (((7 <= i && x <= 1) && N <= 10) && 0 <= x)) && 0 <= y + 6) && y <= 0)) || (((((0 <= x + 8 && 9 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((7 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 6) && 0 <= x)) || ((((x <= 7 && 0 <= y + 3) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((x <= 3 && 6 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || (((y <= 4 && 7 <= i) && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && 8 <= i) && y <= 7) && x <= 0)) || (((0 <= y + 4 && 7 <= i) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 3) && 3 <= i)) || (((((y <= 4 && 0 <= y) && x <= 2) && 6 <= i) && N <= 10) && 0 <= x)) || ((((0 <= y + 5 && 0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && x <= 0) && y <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 6) && x <= 0) && 10 <= i)) || ((((0 <= y + 4 && 8 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 5 && 0 <= y) && 6 <= i) && x <= 0) && y <= 1) && N <= 10)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 6) && x <= 4) && 0 <= x) && 10 <= i)) || (((((5 <= i && 0 <= y) && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || (((((0 <= y && x <= 8) && 8 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x + 6) && 8 <= i) && y <= 0)) || (((((x <= 9 && 9 <= i) && 0 <= y) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 5 <= i) && x <= 4) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 6 <= i) && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || ((((((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)) || ((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 2) && 0 <= x) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 4) && 6 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((0 <= y + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= x + 6) && x <= 0) && 10 <= i) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 7 <= i) && y <= 7)) || (((((0 <= y && x <= 2) && 3 <= i) && y <= 1) && N <= 10) && 0 <= x)) || (((((8 <= i && 0 <= y) && x <= 7) && y <= 1) && N <= 10) && 0 <= x)) || ((((0 <= y && (x <= 3 && 0 <= i) && N <= 10) && y <= 7) && 0 <= x) && 10 <= i)) || (((((9 <= i && 0 <= y) && x <= 8) && y <= 1) && N <= 10) && 0 <= x)) || ((((((0 <= x + 1 && 3 <= i) && x <= 0) && N <= 10) || (((x <= 1 && 3 <= i) && N <= 10) && 0 <= x)) && 0 <= y + 2) && y <= 0)) || (((0 <= x + 3 && 4 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || (((0 <= y + 7 && 9 <= i) && x <= 0) && (0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 6) && x <= 0) && y <= 0)) || (((((x <= 6 && 0 <= y) && 6 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((0 <= y && (x <= 3 && 0 <= i) && N <= 10) && 8 <= i) && y <= 5) && 0 <= x)) || (((((2 <= i && x <= 1) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || (((((2 <= i && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 5) && 0 <= x) && 10 <= i) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && 0 <= x + 7) && 10 <= i) && y <= 0)) || (((((0 <= y + 1 && 7 <= i) && x <= 6) && N <= 10) && 0 <= x) && y <= 0)) || (0 <= y + 9 && (((((x <= 1 && 9 <= i) && N <= 10) && 0 <= x) && y <= 0) || ((((9 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && y <= 0)))) || ((((7 <= i && 0 <= y + 5) && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 0 <= x + 6) && 6 <= i) && y <= 0)) || (((0 <= y + 5 && ((0 <= x + 5 && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 10 <= i) && y <= 0)) || ((y <= 4 && (((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 4 <= i)) || ((((8 <= i && 0 <= y + 3) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || ((0 <= y + 7 && (x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 4) && y <= 2) && 6 <= i) && 0 <= x)) || ((((0 <= y && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0) && y <= 8) && 10 <= i)) || (((((7 <= i && 0 <= x + 4) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((0 <= y + 7 && (0 <= x + 3 && N <= 10) && y <= 0) && x <= 0) && 10 <= i)) || (((9 <= i && y <= 6) && 0 <= y && (x <= 3 && 0 <= i) && N <= 10) && 0 <= x)) || (((0 <= x + 8 && 9 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && y <= 2) && 0 <= x + 1) && 3 <= i) && x <= 0)) || ((((((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)) || (((8 <= i && 0 <= y + 6) && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 5 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 3) && x <= 0) && y <= 0)) || ((((7 <= i && 0 <= y) && y <= 5) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x + 4) && 6 <= i) && y <= 0)) || (((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) && 10 <= i)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && y <= 5) && 6 <= i) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && y <= 5) && x <= 4) && 0 <= x)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && 9 <= i) && x <= 6)) || (((0 <= x + 2 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 3 <= i) && y <= 0)) || ((((0 <= y + 6 && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 10 <= i) && y <= 0)) || (((((x <= 3 && 4 <= i) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || ((x <= 0 && (0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || ((((y <= 3 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0) && 0 <= x + 7) && 10 <= i)) || (((((0 <= y + 8 && 8 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((x <= 4 && 0 <= y + 6) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 7)) || (((0 <= x + 5 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 6 <= i) && y <= 0)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || (((((7 <= i && 0 <= y) && x <= 7) && N <= 10) && 0 <= x) && y <= 0)) || (((((2 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && y <= 1) && N <= 10)) || (((y <= 4 && 0 <= y) && (((0 <= i && 0 <= x + 4) && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 8 <= i)) || ((((((x <= 1 && 4 <= i) && N <= 10) && 0 <= x) || (((4 <= i && 0 <= x + 1) && x <= 0) && N <= 10)) && 0 <= y + 3) && 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)) || (((y <= 7 && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0) && 10 <= i)) || (((((2 <= i && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 0 <= x)) || (((((x <= 1 && 0 <= y) && y <= 2) && 3 <= i) && N <= 10) && 0 <= x)) || (((((0 <= y && 8 <= i) && x <= 0) && y <= 1) && 0 <= x + 7) && N <= 10)) || (((((0 <= x + 4 && 0 <= y) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 2) && 6 <= i) && x <= 0)) || (((((x <= 8 && 0 <= y + 2) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || (((9 <= i && 0 <= y) && y <= 5) && (((0 <= i && 0 <= x + 4) && x <= 0) && N <= 10) && 0 <= y + 2147483648)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 5)) || ((0 <= x + 8 && 10 <= i) && ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10)) || ((((x <= 6 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && y <= 2) && 0 <= x)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && x <= 4) && 0 <= x)) || (7 <= i && ((y <= 4 && x <= 3) && 0 <= y) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648)) || ((((x <= 3 && 5 <= i) && 0 <= y + 2) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((0 <= y + 5 && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || ((((0 <= y + 5 && 9 <= i) && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((0 <= x + 2 && 2 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 0)) || (((9 <= i && (y <= 4 && 0 <= x + 5) && N <= 10) && 0 <= y) && x <= 0)) || (((7 <= i && 0 <= y + 5) && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((((2 <= i && 0 <= y + 1) && 0 <= x + 1) && x <= 0) && N <= 10) || ((((2 <= i && 0 <= y + 1) && x <= 1) && N <= 10) && 0 <= x)) && y <= 0)) || ((((4 <= i && 0 <= y) && y <= 2) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && x <= 7) && 10 <= i)) || ((0 <= y + 4 && ((((5 <= i && 0 <= x + 1) && x <= 0) && N <= 10) || (((x <= 1 && 5 <= i) && N <= 10) && 0 <= x))) && y <= 0)) || (((0 <= x + 3 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 3 <= i) && y <= 0)) || ((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 4) && 0 <= x)) || (((7 <= i && 0 <= x + 6) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 7) && 0 <= y + 2) && 0 <= x) && y <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 10 error locations. SAFE Result, 140.0s OverallTime, 45 OverallIterations, 12 TraceHistogramMax, 16.6s AutomataDifference, 0.0s DeadEndRemovalTime, 101.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1320 SDtfs, 7931 SDslu, 5774 SDs, 0 SdLazy, 1770 SolverSat, 1185 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2498 GetRequests, 2167 SyntacticMatches, 0 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2405 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80157occurred in iteration=41, 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: 16.8s AutomataMinimizationTime, 45 MinimizatonAttempts, 203067 StatesRemovedByMinimization, 42 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 1838 NumberOfFragments, 5715 HoareAnnotationTreeSize, 5 FomulaSimplifications, 604260 FormulaSimplificationTreeSizeReduction, 41.9s HoareSimplificationTime, 5 FomulaSimplificationsInter, 87620 FormulaSimplificationTreeSizeReductionInter, 59.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 4417 NumberOfCodeBlocks, 4417 NumberOfCodeBlocksAsserted, 188 NumberOfCheckSat, 4333 ConstructedInterpolants, 0 QuantifiedInterpolants, 1059983 SizeOfPredicates, 2 NumberOfNonLiveVariables, 5003 ConjunctsInSsa, 280 ConjunctsInUnsatCore, 84 InterpolantComputations, 9 PerfectInterpolantSequences, 464/12684 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...