./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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_3f36356f-de96-4012-a1ea-665b0b489706/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 0.1.23-635dfa2 [2018-12-01 17:58:43,761 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:58:43,762 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:58:43,768 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:58:43,768 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:58:43,769 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:58:43,769 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:58:43,770 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:58:43,771 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:58:43,772 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:58:43,772 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:58:43,772 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:58:43,773 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:58:43,773 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:58:43,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:58:43,774 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:58:43,775 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:58:43,776 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:58:43,777 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:58:43,777 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:58:43,778 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:58:43,779 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:58:43,780 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:58:43,780 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:58:43,780 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:58:43,780 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:58:43,781 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:58:43,781 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:58:43,782 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:58:43,783 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:58:43,783 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:58:43,783 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:58:43,783 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:58:43,783 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:58:43,784 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:58:43,784 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:58:43,785 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-12-01 17:58:43,792 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:58:43,792 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:58:43,792 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:58:43,792 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 17:58:43,793 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:58:43,793 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:58:43,793 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 17:58:43,793 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:58:43,793 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 17:58:43,793 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:58:43,794 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:58:43,794 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:58:43,794 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:58:43,794 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:58:43,794 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-01 17:58:43,794 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:58:43,794 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:58:43,794 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:58:43,795 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:58:43,795 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 17:58:43,795 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:58:43,795 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 17:58:43,795 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:58:43,795 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:58:43,795 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:58:43,795 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:58:43,796 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 17:58:43,796 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:58:43,796 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:58:43,796 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_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:43,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:58:43,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:58:43,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:58:43,826 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:58:43,827 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:58:43,827 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-12-01 17:58:43,871 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/bin-2019/uautomizer/data/8cb8fa68f/152c9c24714c4da2b03e5e37d87a1631/FLAG22e5c5d81 [2018-12-01 17:58:44,267 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:58:44,268 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-12-01 17:58:44,271 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/bin-2019/uautomizer/data/8cb8fa68f/152c9c24714c4da2b03e5e37d87a1631/FLAG22e5c5d81 [2018-12-01 17:58:44,279 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/bin-2019/uautomizer/data/8cb8fa68f/152c9c24714c4da2b03e5e37d87a1631 [2018-12-01 17:58:44,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:58:44,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:58:44,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:58:44,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:58:44,284 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:58:44,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432dabb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44, skipping insertion in model container [2018-12-01 17:58:44,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:58:44,299 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:58:44,379 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:58:44,382 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:58:44,391 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:58:44,398 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:58:44,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44 WrapperNode [2018-12-01 17:58:44,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:58:44,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:58:44,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:58:44,399 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:58:44,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:58:44,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:58:44,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:58:44,411 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:58:44,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (1/1) ... [2018-12-01 17:58:44,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:58:44,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:58:44,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:58:44,424 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:58:44,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 17:58:44,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 17:58:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:58:44,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:58:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 17:58:44,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 17:58:44,583 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:58:44,584 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 17:58:44,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:44 BoogieIcfgContainer [2018-12-01 17:58:44,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:58:44,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 17:58:44,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 17:58:44,586 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 17:58:44,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 05:58:44" (1/3) ... [2018-12-01 17:58:44,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ccdb402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:58:44, skipping insertion in model container [2018-12-01 17:58:44,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:44" (2/3) ... [2018-12-01 17:58:44,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ccdb402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:58:44, skipping insertion in model container [2018-12-01 17:58:44,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:44" (3/3) ... [2018-12-01 17:58:44,588 INFO L112 eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-12-01 17:58:44,594 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 17:58:44,599 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2018-12-01 17:58:44,609 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2018-12-01 17:58:44,627 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 17:58:44,628 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 17:58:44,628 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 17:58:44,628 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 17:58:44,628 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 17:58:44,628 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 17:58:44,628 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 17:58:44,628 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 17:58:44,628 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 17:58:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-12-01 17:58:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 17:58:44,642 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:44,642 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:44,644 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:44,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:44,647 INFO L82 PathProgramCache]: Analyzing trace with hash 252417093, now seen corresponding path program 1 times [2018-12-01 17:58:44,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:44,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:44,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:44,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:44,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:44,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:44,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:58:44,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:58:44,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:58:44,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:58:44,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:58:44,742 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2018-12-01 17:58:44,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:44,780 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2018-12-01 17:58:44,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:58:44,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-01 17:58:44,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:44,787 INFO L225 Difference]: With dead ends: 48 [2018-12-01 17:58:44,788 INFO L226 Difference]: Without dead ends: 34 [2018-12-01 17:58:44,789 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 [2018-12-01 17:58:44,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-01 17:58:44,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-12-01 17:58:44,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-01 17:58:44,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-12-01 17:58:44,811 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 7 [2018-12-01 17:58:44,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:44,811 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-12-01 17:58:44,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:58:44,811 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-12-01 17:58:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 17:58:44,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:44,812 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:44,812 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:44,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:44,812 INFO L82 PathProgramCache]: Analyzing trace with hash -765004662, now seen corresponding path program 1 times [2018-12-01 17:58:44,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:44,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:44,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:44,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:44,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:44,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:58:44,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:58:44,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:58:44,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:58:44,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:58:44,826 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 3 states. [2018-12-01 17:58:44,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:44,835 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2018-12-01 17:58:44,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:58:44,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-01 17:58:44,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:44,836 INFO L225 Difference]: With dead ends: 33 [2018-12-01 17:58:44,836 INFO L226 Difference]: Without dead ends: 32 [2018-12-01 17:58:44,837 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 [2018-12-01 17:58:44,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-01 17:58:44,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-01 17:58:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-01 17:58:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2018-12-01 17:58:44,839 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 8 [2018-12-01 17:58:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:44,839 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2018-12-01 17:58:44,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:58:44,840 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-12-01 17:58:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 17:58:44,840 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:44,840 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:44,840 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:44,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:44,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1157363318, now seen corresponding path program 1 times [2018-12-01 17:58:44,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:44,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:44,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:44,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:44,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:44,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:58:44,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:58:44,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:58:44,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:58:44,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:58:44,856 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 3 states. [2018-12-01 17:58:44,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:44,874 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2018-12-01 17:58:44,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:58:44,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-01 17:58:44,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:44,876 INFO L225 Difference]: With dead ends: 55 [2018-12-01 17:58:44,876 INFO L226 Difference]: Without dead ends: 53 [2018-12-01 17:58:44,876 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 [2018-12-01 17:58:44,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-01 17:58:44,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2018-12-01 17:58:44,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-01 17:58:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2018-12-01 17:58:44,881 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 11 [2018-12-01 17:58:44,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:44,882 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2018-12-01 17:58:44,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:58:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2018-12-01 17:58:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 17:58:44,882 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:44,883 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:44,883 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:44,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:44,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1157326159, now seen corresponding path program 1 times [2018-12-01 17:58:44,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:44,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:44,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:44,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:44,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:58:44,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:44,903 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:44,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:44,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:44,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:44,963 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:44,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-12-01 17:58:44,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:58:44,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:58:44,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:58:44,964 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand 6 states. [2018-12-01 17:58:45,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:45,006 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2018-12-01 17:58:45,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:58:45,006 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-12-01 17:58:45,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:45,007 INFO L225 Difference]: With dead ends: 108 [2018-12-01 17:58:45,007 INFO L226 Difference]: Without dead ends: 107 [2018-12-01 17:58:45,007 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 [2018-12-01 17:58:45,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-01 17:58:45,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 44. [2018-12-01 17:58:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-01 17:58:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2018-12-01 17:58:45,011 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 11 [2018-12-01 17:58:45,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:45,011 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2018-12-01 17:58:45,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:58:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2018-12-01 17:58:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 17:58:45,012 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:45,012 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:45,012 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:45,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:45,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1518524433, now seen corresponding path program 1 times [2018-12-01 17:58:45,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:45,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:45,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:58:45,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:58:45,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:58:45,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:58:45,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:58:45,026 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 3 states. [2018-12-01 17:58:45,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:45,043 INFO L93 Difference]: Finished difference Result 81 states and 113 transitions. [2018-12-01 17:58:45,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:58:45,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-01 17:58:45,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:45,044 INFO L225 Difference]: With dead ends: 81 [2018-12-01 17:58:45,044 INFO L226 Difference]: Without dead ends: 79 [2018-12-01 17:58:45,044 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 [2018-12-01 17:58:45,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-01 17:58:45,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2018-12-01 17:58:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-12-01 17:58:45,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2018-12-01 17:58:45,049 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 12 [2018-12-01 17:58:45,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:45,049 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2018-12-01 17:58:45,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:58:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2018-12-01 17:58:45,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 17:58:45,049 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:45,050 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:45,050 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:45,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:45,050 INFO L82 PathProgramCache]: Analyzing trace with hash 170574579, now seen corresponding path program 1 times [2018-12-01 17:58:45,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:45,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:45,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:58:45,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:58:45,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:58:45,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:58:45,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:58:45,063 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand 3 states. [2018-12-01 17:58:45,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:45,079 INFO L93 Difference]: Finished difference Result 143 states and 215 transitions. [2018-12-01 17:58:45,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:58:45,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-01 17:58:45,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:45,080 INFO L225 Difference]: With dead ends: 143 [2018-12-01 17:58:45,080 INFO L226 Difference]: Without dead ends: 141 [2018-12-01 17:58:45,081 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 [2018-12-01 17:58:45,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-01 17:58:45,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2018-12-01 17:58:45,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-01 17:58:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 199 transitions. [2018-12-01 17:58:45,088 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 199 transitions. Word has length 13 [2018-12-01 17:58:45,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:45,088 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 199 transitions. [2018-12-01 17:58:45,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:58:45,088 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2018-12-01 17:58:45,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 17:58:45,088 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:45,088 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:45,089 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:45,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:45,089 INFO L82 PathProgramCache]: Analyzing trace with hash 992844728, now seen corresponding path program 1 times [2018-12-01 17:58:45,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:45,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:45,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:58:45,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:58:45,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:58:45,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:58:45,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:58:45,101 INFO L87 Difference]: Start difference. First operand 133 states and 199 transitions. Second operand 3 states. [2018-12-01 17:58:45,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:45,119 INFO L93 Difference]: Finished difference Result 259 states and 393 transitions. [2018-12-01 17:58:45,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:58:45,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-12-01 17:58:45,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:45,121 INFO L225 Difference]: With dead ends: 259 [2018-12-01 17:58:45,121 INFO L226 Difference]: Without dead ends: 257 [2018-12-01 17:58:45,121 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 [2018-12-01 17:58:45,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-12-01 17:58:45,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 253. [2018-12-01 17:58:45,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-12-01 17:58:45,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 381 transitions. [2018-12-01 17:58:45,135 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 381 transitions. Word has length 14 [2018-12-01 17:58:45,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:45,135 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 381 transitions. [2018-12-01 17:58:45,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:58:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 381 transitions. [2018-12-01 17:58:45,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 17:58:45,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:45,135 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:45,136 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:45,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:45,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1784292138, now seen corresponding path program 1 times [2018-12-01 17:58:45,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:45,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:45,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:45,161 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:45,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,190 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:45,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-12-01 17:58:45,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 17:58:45,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 17:58:45,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 17:58:45,191 INFO L87 Difference]: Start difference. First operand 253 states and 381 transitions. Second operand 4 states. [2018-12-01 17:58:45,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:45,232 INFO L93 Difference]: Finished difference Result 453 states and 692 transitions. [2018-12-01 17:58:45,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 17:58:45,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-12-01 17:58:45,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:45,234 INFO L225 Difference]: With dead ends: 453 [2018-12-01 17:58:45,234 INFO L226 Difference]: Without dead ends: 451 [2018-12-01 17:58:45,235 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 [2018-12-01 17:58:45,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-12-01 17:58:45,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 361. [2018-12-01 17:58:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-12-01 17:58:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 547 transitions. [2018-12-01 17:58:45,246 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 547 transitions. Word has length 18 [2018-12-01 17:58:45,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:45,246 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 547 transitions. [2018-12-01 17:58:45,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 17:58:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 547 transitions. [2018-12-01 17:58:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 17:58:45,247 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:45,247 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:45,247 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:45,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:45,247 INFO L82 PathProgramCache]: Analyzing trace with hash -457667387, now seen corresponding path program 1 times [2018-12-01 17:58:45,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:45,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:45,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,264 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:45,264 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:45,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,277 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:45,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 17:58:45,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-12-01 17:58:45,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 17:58:45,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 17:58:45,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-01 17:58:45,302 INFO L87 Difference]: Start difference. First operand 361 states and 547 transitions. Second operand 5 states. [2018-12-01 17:58:45,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:45,330 INFO L93 Difference]: Finished difference Result 614 states and 943 transitions. [2018-12-01 17:58:45,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 17:58:45,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-01 17:58:45,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:45,332 INFO L225 Difference]: With dead ends: 614 [2018-12-01 17:58:45,332 INFO L226 Difference]: Without dead ends: 612 [2018-12-01 17:58:45,332 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 [2018-12-01 17:58:45,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-12-01 17:58:45,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 468. [2018-12-01 17:58:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-12-01 17:58:45,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 705 transitions. [2018-12-01 17:58:45,345 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 705 transitions. Word has length 20 [2018-12-01 17:58:45,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:45,345 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 705 transitions. [2018-12-01 17:58:45,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 17:58:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 705 transitions. [2018-12-01 17:58:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 17:58:45,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:45,346 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:45,346 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:45,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:45,346 INFO L82 PathProgramCache]: Analyzing trace with hash -789737976, now seen corresponding path program 1 times [2018-12-01 17:58:45,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:45,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:45,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,364 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:45,365 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:45,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,394 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:45,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-12-01 17:58:45,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 17:58:45,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 17:58:45,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 17:58:45,395 INFO L87 Difference]: Start difference. First operand 468 states and 705 transitions. Second operand 4 states. [2018-12-01 17:58:45,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:45,425 INFO L93 Difference]: Finished difference Result 838 states and 1288 transitions. [2018-12-01 17:58:45,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 17:58:45,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-12-01 17:58:45,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:45,427 INFO L225 Difference]: With dead ends: 838 [2018-12-01 17:58:45,427 INFO L226 Difference]: Without dead ends: 836 [2018-12-01 17:58:45,428 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 [2018-12-01 17:58:45,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2018-12-01 17:58:45,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 672. [2018-12-01 17:58:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-12-01 17:58:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1011 transitions. [2018-12-01 17:58:45,445 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1011 transitions. Word has length 22 [2018-12-01 17:58:45,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:45,445 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 1011 transitions. [2018-12-01 17:58:45,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 17:58:45,445 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1011 transitions. [2018-12-01 17:58:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 17:58:45,445 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:45,446 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:45,446 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:45,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:45,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1545985083, now seen corresponding path program 1 times [2018-12-01 17:58:45,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:45,446 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:45,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:45,478 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:45,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 17:58:45,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-12-01 17:58:45,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 17:58:45,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 17:58:45,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-01 17:58:45,525 INFO L87 Difference]: Start difference. First operand 672 states and 1011 transitions. Second operand 5 states. [2018-12-01 17:58:45,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:45,574 INFO L93 Difference]: Finished difference Result 1143 states and 1751 transitions. [2018-12-01 17:58:45,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 17:58:45,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-01 17:58:45,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:45,577 INFO L225 Difference]: With dead ends: 1143 [2018-12-01 17:58:45,577 INFO L226 Difference]: Without dead ends: 1141 [2018-12-01 17:58:45,577 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 [2018-12-01 17:58:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2018-12-01 17:58:45,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 875. [2018-12-01 17:58:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2018-12-01 17:58:45,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1301 transitions. [2018-12-01 17:58:45,600 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1301 transitions. Word has length 24 [2018-12-01 17:58:45,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:45,600 INFO L480 AbstractCegarLoop]: Abstraction has 875 states and 1301 transitions. [2018-12-01 17:58:45,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 17:58:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1301 transitions. [2018-12-01 17:58:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 17:58:45,601 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:45,601 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:45,601 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:45,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:45,601 INFO L82 PathProgramCache]: Analyzing trace with hash 582614026, now seen corresponding path program 2 times [2018-12-01 17:58:45,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:45,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:45,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,629 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:45,629 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:45,637 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 17:58:45,644 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 17:58:45,644 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:45,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,662 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:45,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-01 17:58:45,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 17:58:45,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 17:58:45,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-01 17:58:45,663 INFO L87 Difference]: Start difference. First operand 875 states and 1301 transitions. Second operand 5 states. [2018-12-01 17:58:45,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:45,703 INFO L93 Difference]: Finished difference Result 1508 states and 2270 transitions. [2018-12-01 17:58:45,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 17:58:45,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-12-01 17:58:45,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:45,706 INFO L225 Difference]: With dead ends: 1508 [2018-12-01 17:58:45,707 INFO L226 Difference]: Without dead ends: 1506 [2018-12-01 17:58:45,707 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 [2018-12-01 17:58:45,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2018-12-01 17:58:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1197. [2018-12-01 17:58:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2018-12-01 17:58:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1772 transitions. [2018-12-01 17:58:45,736 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1772 transitions. Word has length 25 [2018-12-01 17:58:45,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:45,736 INFO L480 AbstractCegarLoop]: Abstraction has 1197 states and 1772 transitions. [2018-12-01 17:58:45,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 17:58:45,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1772 transitions. [2018-12-01 17:58:45,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 17:58:45,737 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:45,737 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:45,738 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:45,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:45,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1259703649, now seen corresponding path program 1 times [2018-12-01 17:58:45,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:45,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:45,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,739 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:45,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,756 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,757 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:45,757 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:45,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,773 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:45,776 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,801 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:45,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-01 17:58:45,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 17:58:45,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 17:58:45,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-01 17:58:45,802 INFO L87 Difference]: Start difference. First operand 1197 states and 1772 transitions. Second operand 5 states. [2018-12-01 17:58:45,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:45,849 INFO L93 Difference]: Finished difference Result 1955 states and 2906 transitions. [2018-12-01 17:58:45,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 17:58:45,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-01 17:58:45,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:45,853 INFO L225 Difference]: With dead ends: 1955 [2018-12-01 17:58:45,853 INFO L226 Difference]: Without dead ends: 1954 [2018-12-01 17:58:45,854 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 [2018-12-01 17:58:45,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2018-12-01 17:58:45,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1433. [2018-12-01 17:58:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2018-12-01 17:58:45,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 2118 transitions. [2018-12-01 17:58:45,889 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 2118 transitions. Word has length 29 [2018-12-01 17:58:45,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:45,889 INFO L480 AbstractCegarLoop]: Abstraction has 1433 states and 2118 transitions. [2018-12-01 17:58:45,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 17:58:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2118 transitions. [2018-12-01 17:58:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 17:58:45,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:45,890 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:45,890 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:45,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:45,890 INFO L82 PathProgramCache]: Analyzing trace with hash -886740333, now seen corresponding path program 2 times [2018-12-01 17:58:45,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:45,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:45,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:45,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,921 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:45,921 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:45,927 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 17:58:45,934 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 17:58:45,935 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:45,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:45,955 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:45,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-01 17:58:45,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 17:58:45,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 17:58:45,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-01 17:58:45,956 INFO L87 Difference]: Start difference. First operand 1433 states and 2118 transitions. Second operand 5 states. [2018-12-01 17:58:46,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:46,020 INFO L93 Difference]: Finished difference Result 2466 states and 3697 transitions. [2018-12-01 17:58:46,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 17:58:46,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-12-01 17:58:46,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:46,025 INFO L225 Difference]: With dead ends: 2466 [2018-12-01 17:58:46,025 INFO L226 Difference]: Without dead ends: 2464 [2018-12-01 17:58:46,026 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 [2018-12-01 17:58:46,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2018-12-01 17:58:46,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 1963. [2018-12-01 17:58:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1963 states. [2018-12-01 17:58:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 2886 transitions. [2018-12-01 17:58:46,084 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 2886 transitions. Word has length 31 [2018-12-01 17:58:46,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:46,085 INFO L480 AbstractCegarLoop]: Abstraction has 1963 states and 2886 transitions. [2018-12-01 17:58:46,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 17:58:46,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2886 transitions. [2018-12-01 17:58:46,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 17:58:46,085 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:46,085 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:46,085 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:46,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:46,086 INFO L82 PathProgramCache]: Analyzing trace with hash -716039594, now seen corresponding path program 3 times [2018-12-01 17:58:46,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:46,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:46,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:46,086 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:46,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:46,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:46,121 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:46,128 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-01 17:58:46,136 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-12-01 17:58:46,136 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:46,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:46,156 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:46,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-01 17:58:46,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:58:46,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:58:46,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:58:46,157 INFO L87 Difference]: Start difference. First operand 1963 states and 2886 transitions. Second operand 6 states. [2018-12-01 17:58:46,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:46,239 INFO L93 Difference]: Finished difference Result 3177 states and 4736 transitions. [2018-12-01 17:58:46,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:58:46,239 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-12-01 17:58:46,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:46,247 INFO L225 Difference]: With dead ends: 3177 [2018-12-01 17:58:46,247 INFO L226 Difference]: Without dead ends: 3175 [2018-12-01 17:58:46,249 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 [2018-12-01 17:58:46,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2018-12-01 17:58:46,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2567. [2018-12-01 17:58:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2567 states. [2018-12-01 17:58:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3753 transitions. [2018-12-01 17:58:46,299 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 3753 transitions. Word has length 32 [2018-12-01 17:58:46,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:46,299 INFO L480 AbstractCegarLoop]: Abstraction has 2567 states and 3753 transitions. [2018-12-01 17:58:46,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:58:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 3753 transitions. [2018-12-01 17:58:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 17:58:46,300 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:46,300 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:46,300 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:46,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:46,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1327564892, now seen corresponding path program 1 times [2018-12-01 17:58:46,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:46,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:46,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:46,302 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:46,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:46,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:46,325 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:46,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:46,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:46,342 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:46,366 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:46,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-01 17:58:46,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 17:58:46,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 17:58:46,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-01 17:58:46,367 INFO L87 Difference]: Start difference. First operand 2567 states and 3753 transitions. Second operand 5 states. [2018-12-01 17:58:46,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:46,450 INFO L93 Difference]: Finished difference Result 4186 states and 6159 transitions. [2018-12-01 17:58:46,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 17:58:46,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-12-01 17:58:46,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:46,462 INFO L225 Difference]: With dead ends: 4186 [2018-12-01 17:58:46,462 INFO L226 Difference]: Without dead ends: 4185 [2018-12-01 17:58:46,464 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 [2018-12-01 17:58:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4185 states. [2018-12-01 17:58:46,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4185 to 3075. [2018-12-01 17:58:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3075 states. [2018-12-01 17:58:46,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 3075 states and 4487 transitions. [2018-12-01 17:58:46,547 INFO L78 Accepts]: Start accepts. Automaton has 3075 states and 4487 transitions. Word has length 35 [2018-12-01 17:58:46,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:46,547 INFO L480 AbstractCegarLoop]: Abstraction has 3075 states and 4487 transitions. [2018-12-01 17:58:46,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 17:58:46,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 4487 transitions. [2018-12-01 17:58:46,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 17:58:46,548 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:46,549 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:46,549 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:46,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:46,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1468116811, now seen corresponding path program 2 times [2018-12-01 17:58:46,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:46,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:46,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:46,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:46,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:46,589 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:46,589 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:46,597 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 17:58:46,607 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 17:58:46,607 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:46,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:46,630 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:46,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-01 17:58:46,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:58:46,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:58:46,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:58:46,631 INFO L87 Difference]: Start difference. First operand 3075 states and 4487 transitions. Second operand 6 states. [2018-12-01 17:58:46,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:46,723 INFO L93 Difference]: Finished difference Result 4731 states and 6951 transitions. [2018-12-01 17:58:46,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:58:46,723 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-12-01 17:58:46,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:46,736 INFO L225 Difference]: With dead ends: 4731 [2018-12-01 17:58:46,736 INFO L226 Difference]: Without dead ends: 4730 [2018-12-01 17:58:46,738 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 [2018-12-01 17:58:46,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4730 states. [2018-12-01 17:58:46,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4730 to 3463. [2018-12-01 17:58:46,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3463 states. [2018-12-01 17:58:46,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 5051 transitions. [2018-12-01 17:58:46,815 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 5051 transitions. Word has length 37 [2018-12-01 17:58:46,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:46,815 INFO L480 AbstractCegarLoop]: Abstraction has 3463 states and 5051 transitions. [2018-12-01 17:58:46,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:58:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 5051 transitions. [2018-12-01 17:58:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 17:58:46,816 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:46,816 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:46,817 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:46,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:46,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1042968950, now seen corresponding path program 4 times [2018-12-01 17:58:46,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:46,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:46,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:46,818 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:46,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:46,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:46,852 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:46,859 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-01 17:58:46,867 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-01 17:58:46,867 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:46,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:46,887 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:46,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-01 17:58:46,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 17:58:46,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 17:58:46,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:58:46,887 INFO L87 Difference]: Start difference. First operand 3463 states and 5051 transitions. Second operand 7 states. [2018-12-01 17:58:46,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:46,989 INFO L93 Difference]: Finished difference Result 5330 states and 7888 transitions. [2018-12-01 17:58:46,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 17:58:46,990 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2018-12-01 17:58:46,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:47,002 INFO L225 Difference]: With dead ends: 5330 [2018-12-01 17:58:47,002 INFO L226 Difference]: Without dead ends: 5328 [2018-12-01 17:58:47,004 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 [2018-12-01 17:58:47,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2018-12-01 17:58:47,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 4381. [2018-12-01 17:58:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4381 states. [2018-12-01 17:58:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 6357 transitions. [2018-12-01 17:58:47,104 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 6357 transitions. Word has length 39 [2018-12-01 17:58:47,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:47,104 INFO L480 AbstractCegarLoop]: Abstraction has 4381 states and 6357 transitions. [2018-12-01 17:58:47,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 17:58:47,104 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 6357 transitions. [2018-12-01 17:58:47,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 17:58:47,105 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:47,105 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:47,105 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:47,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:47,106 INFO L82 PathProgramCache]: Analyzing trace with hash 535132776, now seen corresponding path program 3 times [2018-12-01 17:58:47,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:47,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:47,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:47,107 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:47,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:47,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:47,140 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:47,150 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-01 17:58:47,166 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-12-01 17:58:47,166 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:47,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:47,195 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:47,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-01 17:58:47,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:58:47,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:58:47,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:58:47,196 INFO L87 Difference]: Start difference. First operand 4381 states and 6357 transitions. Second operand 6 states. [2018-12-01 17:58:47,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:47,351 INFO L93 Difference]: Finished difference Result 7073 states and 10429 transitions. [2018-12-01 17:58:47,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:58:47,351 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-12-01 17:58:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:47,363 INFO L225 Difference]: With dead ends: 7073 [2018-12-01 17:58:47,363 INFO L226 Difference]: Without dead ends: 7071 [2018-12-01 17:58:47,367 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 [2018-12-01 17:58:47,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2018-12-01 17:58:47,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 5733. [2018-12-01 17:58:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5733 states. [2018-12-01 17:58:47,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5733 states to 5733 states and 8269 transitions. [2018-12-01 17:58:47,502 INFO L78 Accepts]: Start accepts. Automaton has 5733 states and 8269 transitions. Word has length 40 [2018-12-01 17:58:47,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:47,502 INFO L480 AbstractCegarLoop]: Abstraction has 5733 states and 8269 transitions. [2018-12-01 17:58:47,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:58:47,502 INFO L276 IsEmpty]: Start isEmpty. Operand 5733 states and 8269 transitions. [2018-12-01 17:58:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 17:58:47,503 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:47,503 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:47,503 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:47,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:47,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1865791691, now seen corresponding path program 3 times [2018-12-01 17:58:47,504 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:47,504 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:47,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:47,504 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:47,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:47,539 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:47,539 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:47,547 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-01 17:58:47,561 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-12-01 17:58:47,562 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:47,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:47,589 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:47,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-01 17:58:47,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 17:58:47,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 17:58:47,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:58:47,590 INFO L87 Difference]: Start difference. First operand 5733 states and 8269 transitions. Second operand 7 states. [2018-12-01 17:58:47,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:47,721 INFO L93 Difference]: Finished difference Result 8442 states and 12279 transitions. [2018-12-01 17:58:47,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 17:58:47,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-12-01 17:58:47,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:47,735 INFO L225 Difference]: With dead ends: 8442 [2018-12-01 17:58:47,735 INFO L226 Difference]: Without dead ends: 8441 [2018-12-01 17:58:47,739 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 [2018-12-01 17:58:47,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2018-12-01 17:58:47,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 6241. [2018-12-01 17:58:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6241 states. [2018-12-01 17:58:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 9003 transitions. [2018-12-01 17:58:47,855 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 9003 transitions. Word has length 45 [2018-12-01 17:58:47,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:47,856 INFO L480 AbstractCegarLoop]: Abstraction has 6241 states and 9003 transitions. [2018-12-01 17:58:47,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 17:58:47,856 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 9003 transitions. [2018-12-01 17:58:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 17:58:47,857 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:47,857 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:47,857 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:47,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:47,857 INFO L82 PathProgramCache]: Analyzing trace with hash 702806639, now seen corresponding path program 2 times [2018-12-01 17:58:47,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:47,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:47,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:47,858 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:47,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:47,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:47,889 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:47,896 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 17:58:47,904 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 17:58:47,904 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:47,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:47,908 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:47,924 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:47,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-01 17:58:47,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:58:47,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:58:47,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:58:47,924 INFO L87 Difference]: Start difference. First operand 6241 states and 9003 transitions. Second operand 6 states. [2018-12-01 17:58:48,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:48,064 INFO L93 Difference]: Finished difference Result 9588 states and 13947 transitions. [2018-12-01 17:58:48,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:58:48,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-12-01 17:58:48,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:48,074 INFO L225 Difference]: With dead ends: 9588 [2018-12-01 17:58:48,075 INFO L226 Difference]: Without dead ends: 9587 [2018-12-01 17:58:48,078 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 [2018-12-01 17:58:48,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9587 states. [2018-12-01 17:58:48,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9587 to 7029. [2018-12-01 17:58:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7029 states. [2018-12-01 17:58:48,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 10135 transitions. [2018-12-01 17:58:48,231 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 10135 transitions. Word has length 45 [2018-12-01 17:58:48,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:48,231 INFO L480 AbstractCegarLoop]: Abstraction has 7029 states and 10135 transitions. [2018-12-01 17:58:48,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:58:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 10135 transitions. [2018-12-01 17:58:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 17:58:48,232 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:48,233 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:48,233 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:48,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:48,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1845802966, now seen corresponding path program 5 times [2018-12-01 17:58:48,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:48,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:48,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:48,234 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:48,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:48,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:48,290 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:48,299 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-01 17:58:48,312 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-12-01 17:58:48,312 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:48,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:48,342 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:48,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-01 17:58:48,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 17:58:48,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 17:58:48,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:58:48,342 INFO L87 Difference]: Start difference. First operand 7029 states and 10135 transitions. Second operand 8 states. [2018-12-01 17:58:48,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:48,482 INFO L93 Difference]: Finished difference Result 10385 states and 15210 transitions. [2018-12-01 17:58:48,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 17:58:48,482 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-12-01 17:58:48,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:48,492 INFO L225 Difference]: With dead ends: 10385 [2018-12-01 17:58:48,492 INFO L226 Difference]: Without dead ends: 10383 [2018-12-01 17:58:48,496 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 [2018-12-01 17:58:48,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2018-12-01 17:58:48,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 8669. [2018-12-01 17:58:48,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8669 states. [2018-12-01 17:58:48,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8669 states to 8669 states and 12442 transitions. [2018-12-01 17:58:48,638 INFO L78 Accepts]: Start accepts. Automaton has 8669 states and 12442 transitions. Word has length 46 [2018-12-01 17:58:48,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:48,638 INFO L480 AbstractCegarLoop]: Abstraction has 8669 states and 12442 transitions. [2018-12-01 17:58:48,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 17:58:48,639 INFO L276 IsEmpty]: Start isEmpty. Operand 8669 states and 12442 transitions. [2018-12-01 17:58:48,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 17:58:48,639 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:48,640 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:48,640 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:48,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:48,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1310627277, now seen corresponding path program 4 times [2018-12-01 17:58:48,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:48,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:48,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:48,641 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:48,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:48,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:48,669 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:48,675 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-01 17:58:48,682 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-01 17:58:48,682 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:48,683 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:48,701 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:48,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-01 17:58:48,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 17:58:48,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 17:58:48,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:58:48,702 INFO L87 Difference]: Start difference. First operand 8669 states and 12442 transitions. Second operand 7 states. [2018-12-01 17:58:48,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:48,856 INFO L93 Difference]: Finished difference Result 13316 states and 19433 transitions. [2018-12-01 17:58:48,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 17:58:48,856 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2018-12-01 17:58:48,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:48,867 INFO L225 Difference]: With dead ends: 13316 [2018-12-01 17:58:48,867 INFO L226 Difference]: Without dead ends: 13314 [2018-12-01 17:58:48,871 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 [2018-12-01 17:58:48,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13314 states. [2018-12-01 17:58:49,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13314 to 10971. [2018-12-01 17:58:49,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10971 states. [2018-12-01 17:58:49,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10971 states to 10971 states and 15661 transitions. [2018-12-01 17:58:49,058 INFO L78 Accepts]: Start accepts. Automaton has 10971 states and 15661 transitions. Word has length 49 [2018-12-01 17:58:49,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:49,058 INFO L480 AbstractCegarLoop]: Abstraction has 10971 states and 15661 transitions. [2018-12-01 17:58:49,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 17:58:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 10971 states and 15661 transitions. [2018-12-01 17:58:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 17:58:49,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:49,060 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:49,061 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:49,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:49,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1711194378, now seen corresponding path program 6 times [2018-12-01 17:58:49,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:49,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:49,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:49,062 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:49,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:49,107 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:49,107 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:49,115 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-01 17:58:49,130 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-12-01 17:58:49,130 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:49,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:49,162 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:49,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-01 17:58:49,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 17:58:49,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 17:58:49,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-01 17:58:49,163 INFO L87 Difference]: Start difference. First operand 10971 states and 15661 transitions. Second operand 9 states. [2018-12-01 17:58:49,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:49,342 INFO L93 Difference]: Finished difference Result 15626 states and 22669 transitions. [2018-12-01 17:58:49,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 17:58:49,342 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2018-12-01 17:58:49,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:49,355 INFO L225 Difference]: With dead ends: 15626 [2018-12-01 17:58:49,355 INFO L226 Difference]: Without dead ends: 15624 [2018-12-01 17:58:49,360 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 [2018-12-01 17:58:49,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15624 states. [2018-12-01 17:58:49,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15624 to 13095. [2018-12-01 17:58:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13095 states. [2018-12-01 17:58:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13095 states to 13095 states and 18613 transitions. [2018-12-01 17:58:49,569 INFO L78 Accepts]: Start accepts. Automaton has 13095 states and 18613 transitions. Word has length 53 [2018-12-01 17:58:49,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:49,570 INFO L480 AbstractCegarLoop]: Abstraction has 13095 states and 18613 transitions. [2018-12-01 17:58:49,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 17:58:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 13095 states and 18613 transitions. [2018-12-01 17:58:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 17:58:49,571 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:49,571 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:49,572 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:49,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:49,572 INFO L82 PathProgramCache]: Analyzing trace with hash -434547425, now seen corresponding path program 4 times [2018-12-01 17:58:49,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:49,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:49,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:49,573 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:49,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:49,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:49,607 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:49,613 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-01 17:58:49,622 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-01 17:58:49,623 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:49,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:49,644 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:49,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-01 17:58:49,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 17:58:49,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 17:58:49,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:58:49,645 INFO L87 Difference]: Start difference. First operand 13095 states and 18613 transitions. Second operand 8 states. [2018-12-01 17:58:49,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:49,849 INFO L93 Difference]: Finished difference Result 19894 states and 28525 transitions. [2018-12-01 17:58:49,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 17:58:49,850 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-12-01 17:58:49,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:49,864 INFO L225 Difference]: With dead ends: 19894 [2018-12-01 17:58:49,864 INFO L226 Difference]: Without dead ends: 19893 [2018-12-01 17:58:49,870 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 [2018-12-01 17:58:49,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19893 states. [2018-12-01 17:58:50,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19893 to 14133. [2018-12-01 17:58:50,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14133 states. [2018-12-01 17:58:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14133 states to 14133 states and 20101 transitions. [2018-12-01 17:58:50,141 INFO L78 Accepts]: Start accepts. Automaton has 14133 states and 20101 transitions. Word has length 53 [2018-12-01 17:58:50,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:50,142 INFO L480 AbstractCegarLoop]: Abstraction has 14133 states and 20101 transitions. [2018-12-01 17:58:50,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 17:58:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 14133 states and 20101 transitions. [2018-12-01 17:58:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 17:58:50,143 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:50,143 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:50,143 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:50,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:50,143 INFO L82 PathProgramCache]: Analyzing trace with hash 941207746, now seen corresponding path program 3 times [2018-12-01 17:58:50,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:50,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:50,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:50,144 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:50,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:50,165 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:50,165 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:50,175 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-01 17:58:50,184 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-12-01 17:58:50,184 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:50,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:50,205 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:50,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-01 17:58:50,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 17:58:50,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 17:58:50,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:58:50,206 INFO L87 Difference]: Start difference. First operand 14133 states and 20101 transitions. Second operand 7 states. [2018-12-01 17:58:50,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:50,469 INFO L93 Difference]: Finished difference Result 20778 states and 29841 transitions. [2018-12-01 17:58:50,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 17:58:50,469 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2018-12-01 17:58:50,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:50,484 INFO L225 Difference]: With dead ends: 20778 [2018-12-01 17:58:50,484 INFO L226 Difference]: Without dead ends: 20777 [2018-12-01 17:58:50,488 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 [2018-12-01 17:58:50,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20777 states. [2018-12-01 17:58:50,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20777 to 15385. [2018-12-01 17:58:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15385 states. [2018-12-01 17:58:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15385 states to 15385 states and 21885 transitions. [2018-12-01 17:58:50,747 INFO L78 Accepts]: Start accepts. Automaton has 15385 states and 21885 transitions. Word has length 55 [2018-12-01 17:58:50,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:50,747 INFO L480 AbstractCegarLoop]: Abstraction has 15385 states and 21885 transitions. [2018-12-01 17:58:50,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 17:58:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 15385 states and 21885 transitions. [2018-12-01 17:58:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 17:58:50,749 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:50,749 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:50,749 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:50,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:50,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1897860808, now seen corresponding path program 5 times [2018-12-01 17:58:50,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:50,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:50,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:50,750 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:50,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:50,793 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:50,793 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:50,801 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-01 17:58:50,810 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-12-01 17:58:50,810 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:50,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:50,829 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:50,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-01 17:58:50,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 17:58:50,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 17:58:50,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:58:50,829 INFO L87 Difference]: Start difference. First operand 15385 states and 21885 transitions. Second operand 8 states. [2018-12-01 17:58:51,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:51,085 INFO L93 Difference]: Finished difference Result 22701 states and 32845 transitions. [2018-12-01 17:58:51,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 17:58:51,086 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-12-01 17:58:51,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:51,100 INFO L225 Difference]: With dead ends: 22701 [2018-12-01 17:58:51,101 INFO L226 Difference]: Without dead ends: 22699 [2018-12-01 17:58:51,104 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 [2018-12-01 17:58:51,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22699 states. [2018-12-01 17:58:51,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22699 to 18977. [2018-12-01 17:58:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18977 states. [2018-12-01 17:58:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18977 states to 18977 states and 26868 transitions. [2018-12-01 17:58:51,414 INFO L78 Accepts]: Start accepts. Automaton has 18977 states and 26868 transitions. Word has length 58 [2018-12-01 17:58:51,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:51,414 INFO L480 AbstractCegarLoop]: Abstraction has 18977 states and 26868 transitions. [2018-12-01 17:58:51,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 17:58:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 18977 states and 26868 transitions. [2018-12-01 17:58:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 17:58:51,415 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:51,416 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:51,416 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:51,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:51,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1695921494, now seen corresponding path program 7 times [2018-12-01 17:58:51,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:51,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:51,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:51,416 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:51,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:51,454 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:51,454 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:51,454 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:51,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:51,470 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:51,488 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:51,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-01 17:58:51,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 17:58:51,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 17:58:51,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-01 17:58:51,489 INFO L87 Difference]: Start difference. First operand 18977 states and 26868 transitions. Second operand 10 states. [2018-12-01 17:58:51,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:51,766 INFO L93 Difference]: Finished difference Result 26255 states and 37782 transitions. [2018-12-01 17:58:51,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 17:58:51,767 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-12-01 17:58:51,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:51,785 INFO L225 Difference]: With dead ends: 26255 [2018-12-01 17:58:51,785 INFO L226 Difference]: Without dead ends: 26253 [2018-12-01 17:58:51,790 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 [2018-12-01 17:58:51,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26253 states. [2018-12-01 17:58:52,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26253 to 22315. [2018-12-01 17:58:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22315 states. [2018-12-01 17:58:52,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22315 states to 22315 states and 31477 transitions. [2018-12-01 17:58:52,230 INFO L78 Accepts]: Start accepts. Automaton has 22315 states and 31477 transitions. Word has length 60 [2018-12-01 17:58:52,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:52,230 INFO L480 AbstractCegarLoop]: Abstraction has 22315 states and 31477 transitions. [2018-12-01 17:58:52,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 17:58:52,230 INFO L276 IsEmpty]: Start isEmpty. Operand 22315 states and 31477 transitions. [2018-12-01 17:58:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 17:58:52,231 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:52,231 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:52,231 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:52,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:52,232 INFO L82 PathProgramCache]: Analyzing trace with hash 2090391817, now seen corresponding path program 5 times [2018-12-01 17:58:52,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:52,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:52,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:52,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:58:52,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:52,290 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:52,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:52,290 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:52,297 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-01 17:58:52,310 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-12-01 17:58:52,310 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:52,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:52,329 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:52,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-01 17:58:52,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 17:58:52,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 17:58:52,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-01 17:58:52,330 INFO L87 Difference]: Start difference. First operand 22315 states and 31477 transitions. Second operand 9 states. [2018-12-01 17:58:52,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:52,667 INFO L93 Difference]: Finished difference Result 32959 states and 46936 transitions. [2018-12-01 17:58:52,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 17:58:52,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2018-12-01 17:58:52,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:52,691 INFO L225 Difference]: With dead ends: 32959 [2018-12-01 17:58:52,691 INFO L226 Difference]: Without dead ends: 32958 [2018-12-01 17:58:52,697 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 [2018-12-01 17:58:52,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32958 states. [2018-12-01 17:58:53,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32958 to 23709. [2018-12-01 17:58:53,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23709 states. [2018-12-01 17:58:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23709 states to 23709 states and 33466 transitions. [2018-12-01 17:58:53,130 INFO L78 Accepts]: Start accepts. Automaton has 23709 states and 33466 transitions. Word has length 61 [2018-12-01 17:58:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:53,130 INFO L480 AbstractCegarLoop]: Abstraction has 23709 states and 33466 transitions. [2018-12-01 17:58:53,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 17:58:53,130 INFO L276 IsEmpty]: Start isEmpty. Operand 23709 states and 33466 transitions. [2018-12-01 17:58:53,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 17:58:53,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:53,132 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:53,132 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:53,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:53,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1521886379, now seen corresponding path program 4 times [2018-12-01 17:58:53,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:53,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:53,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:53,133 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:53,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:53,173 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:53,173 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:53,219 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-01 17:58:53,229 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-01 17:58:53,229 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:53,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:53,259 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:53,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-01 17:58:53,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 17:58:53,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 17:58:53,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:58:53,260 INFO L87 Difference]: Start difference. First operand 23709 states and 33466 transitions. Second operand 8 states. [2018-12-01 17:58:53,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:53,614 INFO L93 Difference]: Finished difference Result 33673 states and 48022 transitions. [2018-12-01 17:58:53,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 17:58:53,614 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2018-12-01 17:58:53,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:53,639 INFO L225 Difference]: With dead ends: 33673 [2018-12-01 17:58:53,639 INFO L226 Difference]: Without dead ends: 33672 [2018-12-01 17:58:53,645 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 [2018-12-01 17:58:53,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33672 states. [2018-12-01 17:58:54,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33672 to 25273. [2018-12-01 17:58:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25273 states. [2018-12-01 17:58:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25273 states to 25273 states and 35688 transitions. [2018-12-01 17:58:54,109 INFO L78 Accepts]: Start accepts. Automaton has 25273 states and 35688 transitions. Word has length 65 [2018-12-01 17:58:54,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:54,109 INFO L480 AbstractCegarLoop]: Abstraction has 25273 states and 35688 transitions. [2018-12-01 17:58:54,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 17:58:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 25273 states and 35688 transitions. [2018-12-01 17:58:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 17:58:54,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:54,111 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:54,112 INFO L423 AbstractCegarLoop]: === Iteration 31 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:54,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:54,112 INFO L82 PathProgramCache]: Analyzing trace with hash -690121846, now seen corresponding path program 8 times [2018-12-01 17:58:54,112 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:54,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:54,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:54,112 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:54,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:54,167 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:54,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:54,167 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:54,174 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 17:58:54,184 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 17:58:54,184 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:54,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:54,210 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:54,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-01 17:58:54,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 17:58:54,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 17:58:54,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-01 17:58:54,211 INFO L87 Difference]: Start difference. First operand 25273 states and 35688 transitions. Second operand 11 states. [2018-12-01 17:58:54,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:54,649 INFO L93 Difference]: Finished difference Result 34134 states and 48972 transitions. [2018-12-01 17:58:54,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 17:58:54,649 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2018-12-01 17:58:54,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:54,678 INFO L225 Difference]: With dead ends: 34134 [2018-12-01 17:58:54,678 INFO L226 Difference]: Without dead ends: 34132 [2018-12-01 17:58:54,684 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 [2018-12-01 17:58:54,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34132 states. [2018-12-01 17:58:55,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34132 to 29349. [2018-12-01 17:58:55,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29349 states. [2018-12-01 17:58:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29349 states to 29349 states and 41310 transitions. [2018-12-01 17:58:55,222 INFO L78 Accepts]: Start accepts. Automaton has 29349 states and 41310 transitions. Word has length 67 [2018-12-01 17:58:55,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:55,222 INFO L480 AbstractCegarLoop]: Abstraction has 29349 states and 41310 transitions. [2018-12-01 17:58:55,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 17:58:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29349 states and 41310 transitions. [2018-12-01 17:58:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 17:58:55,224 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:55,224 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:55,224 INFO L423 AbstractCegarLoop]: === Iteration 32 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:55,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:55,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1044856365, now seen corresponding path program 6 times [2018-12-01 17:58:55,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:55,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:55,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:55,225 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:55,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:55,269 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:55,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:55,269 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:55,277 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-01 17:58:55,287 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-12-01 17:58:55,287 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:55,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:55,306 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:55,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-01 17:58:55,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 17:58:55,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 17:58:55,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-01 17:58:55,307 INFO L87 Difference]: Start difference. First operand 29349 states and 41310 transitions. Second operand 9 states. [2018-12-01 17:58:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:55,751 INFO L93 Difference]: Finished difference Result 41884 states and 59975 transitions. [2018-12-01 17:58:55,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 17:58:55,752 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2018-12-01 17:58:55,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:55,787 INFO L225 Difference]: With dead ends: 41884 [2018-12-01 17:58:55,787 INFO L226 Difference]: Without dead ends: 41882 [2018-12-01 17:58:55,795 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 [2018-12-01 17:58:55,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41882 states. [2018-12-01 17:58:56,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41882 to 35469. [2018-12-01 17:58:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35469 states. [2018-12-01 17:58:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35469 states to 35469 states and 49722 transitions. [2018-12-01 17:58:56,448 INFO L78 Accepts]: Start accepts. Automaton has 35469 states and 49722 transitions. Word has length 67 [2018-12-01 17:58:56,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:56,448 INFO L480 AbstractCegarLoop]: Abstraction has 35469 states and 49722 transitions. [2018-12-01 17:58:56,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 17:58:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand 35469 states and 49722 transitions. [2018-12-01 17:58:56,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 17:58:56,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:56,450 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:56,450 INFO L423 AbstractCegarLoop]: === Iteration 33 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:56,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:56,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1351429389, now seen corresponding path program 6 times [2018-12-01 17:58:56,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:56,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:56,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:56,451 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:56,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:56,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:56,504 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:56,511 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-01 17:58:56,523 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-12-01 17:58:56,523 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:56,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:56,543 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:56,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-01 17:58:56,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 17:58:56,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 17:58:56,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-01 17:58:56,544 INFO L87 Difference]: Start difference. First operand 35469 states and 49722 transitions. Second operand 10 states. [2018-12-01 17:58:57,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:57,081 INFO L93 Difference]: Finished difference Result 51133 states and 72401 transitions. [2018-12-01 17:58:57,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 17:58:57,081 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2018-12-01 17:58:57,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:57,124 INFO L225 Difference]: With dead ends: 51133 [2018-12-01 17:58:57,124 INFO L226 Difference]: Without dead ends: 51132 [2018-12-01 17:58:57,134 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 [2018-12-01 17:58:57,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51132 states. [2018-12-01 17:58:57,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51132 to 37265. [2018-12-01 17:58:57,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37265 states. [2018-12-01 17:58:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37265 states to 37265 states and 52275 transitions. [2018-12-01 17:58:57,999 INFO L78 Accepts]: Start accepts. Automaton has 37265 states and 52275 transitions. Word has length 69 [2018-12-01 17:58:57,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:57,999 INFO L480 AbstractCegarLoop]: Abstraction has 37265 states and 52275 transitions. [2018-12-01 17:58:57,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 17:58:57,999 INFO L276 IsEmpty]: Start isEmpty. Operand 37265 states and 52275 transitions. [2018-12-01 17:58:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 17:58:58,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:58,002 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:58,002 INFO L423 AbstractCegarLoop]: === Iteration 34 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:58,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:58,002 INFO L82 PathProgramCache]: Analyzing trace with hash -2049109290, now seen corresponding path program 9 times [2018-12-01 17:58:58,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:58,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:58,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:58,003 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:58,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:58,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:58,055 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:58,063 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-01 17:58:58,077 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-12-01 17:58:58,077 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:58,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:58,097 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:58,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-01 17:58:58,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 17:58:58,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 17:58:58,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-01 17:58:58,098 INFO L87 Difference]: Start difference. First operand 37265 states and 52275 transitions. Second operand 12 states. [2018-12-01 17:58:58,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:58:58,651 INFO L93 Difference]: Finished difference Result 49303 states and 70258 transitions. [2018-12-01 17:58:58,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 17:58:58,652 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 74 [2018-12-01 17:58:58,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:58:58,693 INFO L225 Difference]: With dead ends: 49303 [2018-12-01 17:58:58,694 INFO L226 Difference]: Without dead ends: 49301 [2018-12-01 17:58:58,702 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 [2018-12-01 17:58:58,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49301 states. [2018-12-01 17:58:59,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49301 to 42817. [2018-12-01 17:58:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42817 states. [2018-12-01 17:58:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42817 states to 42817 states and 59893 transitions. [2018-12-01 17:58:59,478 INFO L78 Accepts]: Start accepts. Automaton has 42817 states and 59893 transitions. Word has length 74 [2018-12-01 17:58:59,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:58:59,478 INFO L480 AbstractCegarLoop]: Abstraction has 42817 states and 59893 transitions. [2018-12-01 17:58:59,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 17:58:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 42817 states and 59893 transitions. [2018-12-01 17:58:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 17:58:59,482 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:58:59,482 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-12-01 17:58:59,482 INFO L423 AbstractCegarLoop]: === Iteration 35 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:58:59,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:58:59,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1528834600, now seen corresponding path program 5 times [2018-12-01 17:58:59,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:58:59,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:58:59,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:59,483 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:58:59,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:58:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:58:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:59,535 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:58:59,535 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:58:59,541 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-01 17:58:59,552 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-12-01 17:58:59,552 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:58:59,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:58:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:58:59,573 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:58:59,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-01 17:58:59,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 17:58:59,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 17:58:59,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-01 17:58:59,573 INFO L87 Difference]: Start difference. First operand 42817 states and 59893 transitions. Second operand 9 states. [2018-12-01 17:59:00,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:00,254 INFO L93 Difference]: Finished difference Result 59106 states and 83567 transitions. [2018-12-01 17:59:00,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 17:59:00,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2018-12-01 17:59:00,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:00,303 INFO L225 Difference]: With dead ends: 59106 [2018-12-01 17:59:00,304 INFO L226 Difference]: Without dead ends: 59105 [2018-12-01 17:59:00,314 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 [2018-12-01 17:59:00,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59105 states. [2018-12-01 17:59:01,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59105 to 45009. [2018-12-01 17:59:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45009 states. [2018-12-01 17:59:01,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45009 states to 45009 states and 62991 transitions. [2018-12-01 17:59:01,161 INFO L78 Accepts]: Start accepts. Automaton has 45009 states and 62991 transitions. Word has length 75 [2018-12-01 17:59:01,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:01,161 INFO L480 AbstractCegarLoop]: Abstraction has 45009 states and 62991 transitions. [2018-12-01 17:59:01,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 17:59:01,161 INFO L276 IsEmpty]: Start isEmpty. Operand 45009 states and 62991 transitions. [2018-12-01 17:59:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 17:59:01,164 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:59:01,164 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-12-01 17:59:01,164 INFO L423 AbstractCegarLoop]: === Iteration 36 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:59:01,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:59:01,164 INFO L82 PathProgramCache]: Analyzing trace with hash -427799768, now seen corresponding path program 7 times [2018-12-01 17:59:01,164 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:59:01,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:59:01,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:01,165 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:59:01,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:01,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:59:01,199 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:59:01,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:59:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:01,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:59:01,218 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:01,233 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:59:01,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-01 17:59:01,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 17:59:01,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 17:59:01,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-01 17:59:01,233 INFO L87 Difference]: Start difference. First operand 45009 states and 62991 transitions. Second operand 10 states. [2018-12-01 17:59:02,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:02,066 INFO L93 Difference]: Finished difference Result 62469 states and 88924 transitions. [2018-12-01 17:59:02,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 17:59:02,066 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2018-12-01 17:59:02,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:02,113 INFO L225 Difference]: With dead ends: 62469 [2018-12-01 17:59:02,113 INFO L226 Difference]: Without dead ends: 62467 [2018-12-01 17:59:02,119 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 [2018-12-01 17:59:02,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62467 states. [2018-12-01 17:59:03,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62467 to 53493. [2018-12-01 17:59:03,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53493 states. [2018-12-01 17:59:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53493 states to 53493 states and 74602 transitions. [2018-12-01 17:59:03,103 INFO L78 Accepts]: Start accepts. Automaton has 53493 states and 74602 transitions. Word has length 76 [2018-12-01 17:59:03,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:03,103 INFO L480 AbstractCegarLoop]: Abstraction has 53493 states and 74602 transitions. [2018-12-01 17:59:03,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 17:59:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 53493 states and 74602 transitions. [2018-12-01 17:59:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 17:59:03,106 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:59:03,107 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-12-01 17:59:03,107 INFO L423 AbstractCegarLoop]: === Iteration 37 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:59:03,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:59:03,107 INFO L82 PathProgramCache]: Analyzing trace with hash 265372381, now seen corresponding path program 7 times [2018-12-01 17:59:03,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:59:03,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:59:03,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:03,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:59:03,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:03,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:59:03,168 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:59:03,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:59:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:03,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:59:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:03,207 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:59:03,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-01 17:59:03,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 17:59:03,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 17:59:03,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-01 17:59:03,207 INFO L87 Difference]: Start difference. First operand 53493 states and 74602 transitions. Second operand 11 states. [2018-12-01 17:59:04,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:04,033 INFO L93 Difference]: Finished difference Result 75502 states and 106384 transitions. [2018-12-01 17:59:04,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 17:59:04,034 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2018-12-01 17:59:04,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:04,098 INFO L225 Difference]: With dead ends: 75502 [2018-12-01 17:59:04,099 INFO L226 Difference]: Without dead ends: 75501 [2018-12-01 17:59:04,111 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 [2018-12-01 17:59:04,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75501 states. [2018-12-01 17:59:05,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75501 to 55737. [2018-12-01 17:59:05,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55737 states. [2018-12-01 17:59:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55737 states to 55737 states and 77782 transitions. [2018-12-01 17:59:05,309 INFO L78 Accepts]: Start accepts. Automaton has 55737 states and 77782 transitions. Word has length 77 [2018-12-01 17:59:05,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:05,309 INFO L480 AbstractCegarLoop]: Abstraction has 55737 states and 77782 transitions. [2018-12-01 17:59:05,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 17:59:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 55737 states and 77782 transitions. [2018-12-01 17:59:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 17:59:05,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:59:05,313 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2018-12-01 17:59:05,314 INFO L423 AbstractCegarLoop]: === Iteration 38 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:59:05,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:59:05,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1444546058, now seen corresponding path program 10 times [2018-12-01 17:59:05,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:59:05,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:59:05,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:05,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:59:05,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:05,398 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:59:05,398 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:59:05,407 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-01 17:59:05,419 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-01 17:59:05,419 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:59:05,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:59:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:05,440 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:59:05,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2018-12-01 17:59:05,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-01 17:59:05,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-01 17:59:05,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-12-01 17:59:05,440 INFO L87 Difference]: Start difference. First operand 55737 states and 77782 transitions. Second operand 13 states. [2018-12-01 17:59:06,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:06,267 INFO L93 Difference]: Finished difference Result 72432 states and 102654 transitions. [2018-12-01 17:59:06,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-01 17:59:06,268 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 81 [2018-12-01 17:59:06,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:06,330 INFO L225 Difference]: With dead ends: 72432 [2018-12-01 17:59:06,330 INFO L226 Difference]: Without dead ends: 72430 [2018-12-01 17:59:06,342 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 [2018-12-01 17:59:06,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72430 states. [2018-12-01 17:59:07,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72430 to 63455. [2018-12-01 17:59:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63455 states. [2018-12-01 17:59:07,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63455 states to 63455 states and 88331 transitions. [2018-12-01 17:59:07,707 INFO L78 Accepts]: Start accepts. Automaton has 63455 states and 88331 transitions. Word has length 81 [2018-12-01 17:59:07,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:07,707 INFO L480 AbstractCegarLoop]: Abstraction has 63455 states and 88331 transitions. [2018-12-01 17:59:07,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-01 17:59:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 63455 states and 88331 transitions. [2018-12-01 17:59:07,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 17:59:07,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:59:07,711 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-12-01 17:59:07,712 INFO L423 AbstractCegarLoop]: === Iteration 39 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:59:07,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:59:07,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1692281031, now seen corresponding path program 8 times [2018-12-01 17:59:07,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:59:07,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:59:07,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:07,712 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:59:07,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:07,786 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:59:07,786 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:59:07,793 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 17:59:07,804 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 17:59:07,804 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:59:07,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:59:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:07,828 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:59:07,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-01 17:59:07,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 17:59:07,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 17:59:07,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-01 17:59:07,829 INFO L87 Difference]: Start difference. First operand 63455 states and 88331 transitions. Second operand 12 states. [2018-12-01 17:59:08,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:08,815 INFO L93 Difference]: Finished difference Result 87915 states and 123650 transitions. [2018-12-01 17:59:08,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 17:59:08,815 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 85 [2018-12-01 17:59:08,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:08,892 INFO L225 Difference]: With dead ends: 87915 [2018-12-01 17:59:08,892 INFO L226 Difference]: Without dead ends: 87914 [2018-12-01 17:59:08,908 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 [2018-12-01 17:59:08,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87914 states. [2018-12-01 17:59:10,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87914 to 65699. [2018-12-01 17:59:10,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65699 states. [2018-12-01 17:59:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65699 states to 65699 states and 91511 transitions. [2018-12-01 17:59:10,377 INFO L78 Accepts]: Start accepts. Automaton has 65699 states and 91511 transitions. Word has length 85 [2018-12-01 17:59:10,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:10,377 INFO L480 AbstractCegarLoop]: Abstraction has 65699 states and 91511 transitions. [2018-12-01 17:59:10,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 17:59:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 65699 states and 91511 transitions. [2018-12-01 17:59:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 17:59:10,381 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:59:10,381 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-12-01 17:59:10,382 INFO L423 AbstractCegarLoop]: === Iteration 40 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:59:10,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:59:10,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1685753485, now seen corresponding path program 8 times [2018-12-01 17:59:10,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:59:10,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:59:10,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:10,382 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:59:10,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:10,425 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:59:10,426 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:59:10,432 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 17:59:10,442 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 17:59:10,443 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:59:10,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:59:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:10,463 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:59:10,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-01 17:59:10,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 17:59:10,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 17:59:10,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-01 17:59:10,463 INFO L87 Difference]: Start difference. First operand 65699 states and 91511 transitions. Second operand 11 states. [2018-12-01 17:59:11,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:11,478 INFO L93 Difference]: Finished difference Result 88656 states and 125565 transitions. [2018-12-01 17:59:11,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 17:59:11,478 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 85 [2018-12-01 17:59:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:11,555 INFO L225 Difference]: With dead ends: 88656 [2018-12-01 17:59:11,555 INFO L226 Difference]: Without dead ends: 88654 [2018-12-01 17:59:11,571 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 [2018-12-01 17:59:11,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88654 states. [2018-12-01 17:59:13,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88654 to 76293. [2018-12-01 17:59:13,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76293 states. [2018-12-01 17:59:13,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76293 states to 76293 states and 105928 transitions. [2018-12-01 17:59:13,094 INFO L78 Accepts]: Start accepts. Automaton has 76293 states and 105928 transitions. Word has length 85 [2018-12-01 17:59:13,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:13,094 INFO L480 AbstractCegarLoop]: Abstraction has 76293 states and 105928 transitions. [2018-12-01 17:59:13,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 17:59:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand 76293 states and 105928 transitions. [2018-12-01 17:59:13,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 17:59:13,098 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:59:13,098 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-12-01 17:59:13,098 INFO L423 AbstractCegarLoop]: === Iteration 41 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:59:13,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:59:13,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1536406213, now seen corresponding path program 6 times [2018-12-01 17:59:13,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:59:13,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:59:13,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:13,099 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:59:13,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:13,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:59:13,142 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:59:13,149 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-01 17:59:13,161 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-12-01 17:59:13,161 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:59:13,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:59:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:13,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:59:13,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-01 17:59:13,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 17:59:13,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 17:59:13,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-01 17:59:13,183 INFO L87 Difference]: Start difference. First operand 76293 states and 105928 transitions. Second operand 10 states. [2018-12-01 17:59:14,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:14,485 INFO L93 Difference]: Finished difference Result 109927 states and 154225 transitions. [2018-12-01 17:59:14,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 17:59:14,485 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-12-01 17:59:14,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:14,587 INFO L225 Difference]: With dead ends: 109927 [2018-12-01 17:59:14,587 INFO L226 Difference]: Without dead ends: 109926 [2018-12-01 17:59:14,605 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 [2018-12-01 17:59:14,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109926 states. [2018-12-01 17:59:16,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109926 to 80157. [2018-12-01 17:59:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80157 states. [2018-12-01 17:59:16,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80157 states to 80157 states and 111367 transitions. [2018-12-01 17:59:16,306 INFO L78 Accepts]: Start accepts. Automaton has 80157 states and 111367 transitions. Word has length 85 [2018-12-01 17:59:16,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:16,306 INFO L480 AbstractCegarLoop]: Abstraction has 80157 states and 111367 transitions. [2018-12-01 17:59:16,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 17:59:16,306 INFO L276 IsEmpty]: Start isEmpty. Operand 80157 states and 111367 transitions. [2018-12-01 17:59:16,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 17:59:16,311 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:59:16,311 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1, 1, 1, 1] [2018-12-01 17:59:16,311 INFO L423 AbstractCegarLoop]: === Iteration 42 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:59:16,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:59:16,311 INFO L82 PathProgramCache]: Analyzing trace with hash -508374954, now seen corresponding path program 11 times [2018-12-01 17:59:16,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:59:16,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:59:16,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:16,312 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:59:16,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:16,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:59:16,388 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:59:16,396 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-01 17:59:16,411 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2018-12-01 17:59:16,412 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:59:16,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:59:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 17:59:16,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 17:59:16,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 25 [2018-12-01 17:59:16,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-01 17:59:16,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-01 17:59:16,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-12-01 17:59:16,543 INFO L87 Difference]: Start difference. First operand 80157 states and 111367 transitions. Second operand 25 states. [2018-12-01 17:59:17,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:17,883 INFO L93 Difference]: Finished difference Result 99235 states and 136781 transitions. [2018-12-01 17:59:17,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-12-01 17:59:17,883 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 88 [2018-12-01 17:59:17,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:17,884 INFO L225 Difference]: With dead ends: 99235 [2018-12-01 17:59:17,884 INFO L226 Difference]: Without dead ends: 501 [2018-12-01 17:59:17,933 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2402 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=2313, Invalid=5877, Unknown=0, NotChecked=0, Total=8190 [2018-12-01 17:59:17,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-12-01 17:59:17,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 310. [2018-12-01 17:59:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-12-01 17:59:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 348 transitions. [2018-12-01 17:59:17,945 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 348 transitions. Word has length 88 [2018-12-01 17:59:17,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:17,945 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 348 transitions. [2018-12-01 17:59:17,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-01 17:59:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 348 transitions. [2018-12-01 17:59:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 17:59:17,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:59:17,946 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-12-01 17:59:17,946 INFO L423 AbstractCegarLoop]: === Iteration 43 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:59:17,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:59:17,946 INFO L82 PathProgramCache]: Analyzing trace with hash 879701896, now seen corresponding path program 9 times [2018-12-01 17:59:17,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:59:17,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:59:17,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:17,947 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:59:17,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:18,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:59:18,017 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:59:18,023 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-01 17:59:18,041 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-12-01 17:59:18,041 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:59:18,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:59:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:18,063 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:59:18,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-01 17:59:18,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 17:59:18,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 17:59:18,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-01 17:59:18,064 INFO L87 Difference]: Start difference. First operand 310 states and 348 transitions. Second operand 12 states. [2018-12-01 17:59:18,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:18,098 INFO L93 Difference]: Finished difference Result 323 states and 361 transitions. [2018-12-01 17:59:18,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 17:59:18,098 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2018-12-01 17:59:18,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:18,098 INFO L225 Difference]: With dead ends: 323 [2018-12-01 17:59:18,098 INFO L226 Difference]: Without dead ends: 246 [2018-12-01 17:59:18,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-01 17:59:18,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-12-01 17:59:18,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 226. [2018-12-01 17:59:18,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-12-01 17:59:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 264 transitions. [2018-12-01 17:59:18,103 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 264 transitions. Word has length 94 [2018-12-01 17:59:18,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:18,103 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 264 transitions. [2018-12-01 17:59:18,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 17:59:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 264 transitions. [2018-12-01 17:59:18,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 17:59:18,104 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:59:18,104 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-12-01 17:59:18,104 INFO L423 AbstractCegarLoop]: === Iteration 44 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:59:18,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:59:18,104 INFO L82 PathProgramCache]: Analyzing trace with hash 270660750, now seen corresponding path program 7 times [2018-12-01 17:59:18,104 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:59:18,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:59:18,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:18,105 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 17:59:18,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:18,156 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:18,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:59:18,156 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:59:18,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:59:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:18,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:59:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:18,199 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:59:18,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-01 17:59:18,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 17:59:18,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 17:59:18,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-01 17:59:18,200 INFO L87 Difference]: Start difference. First operand 226 states and 264 transitions. Second operand 11 states. [2018-12-01 17:59:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:18,234 INFO L93 Difference]: Finished difference Result 247 states and 284 transitions. [2018-12-01 17:59:18,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 17:59:18,234 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-01 17:59:18,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:18,234 INFO L225 Difference]: With dead ends: 247 [2018-12-01 17:59:18,234 INFO L226 Difference]: Without dead ends: 106 [2018-12-01 17:59:18,235 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 [2018-12-01 17:59:18,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-12-01 17:59:18,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-12-01 17:59:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-01 17:59:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 105 transitions. [2018-12-01 17:59:18,238 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 105 transitions. Word has length 95 [2018-12-01 17:59:18,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:18,238 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 105 transitions. [2018-12-01 17:59:18,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 17:59:18,238 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 105 transitions. [2018-12-01 17:59:18,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 17:59:18,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:59:18,239 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-12-01 17:59:18,239 INFO L423 AbstractCegarLoop]: === Iteration 45 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:59:18,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:59:18,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1806118879, now seen corresponding path program 8 times [2018-12-01 17:59:18,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:59:18,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:59:18,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:18,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:59:18,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:59:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:59:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:18,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:59:18,299 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/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 [2018-12-01 17:59:18,305 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 17:59:18,317 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 17:59:18,317 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 17:59:18,318 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:59:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:59:18,341 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:59:18,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-01 17:59:18,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 17:59:18,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 17:59:18,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-01 17:59:18,342 INFO L87 Difference]: Start difference. First operand 106 states and 105 transitions. Second operand 12 states. [2018-12-01 17:59:18,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:59:18,354 INFO L93 Difference]: Finished difference Result 106 states and 105 transitions. [2018-12-01 17:59:18,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 17:59:18,354 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2018-12-01 17:59:18,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:59:18,355 INFO L225 Difference]: With dead ends: 106 [2018-12-01 17:59:18,355 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 17:59:18,355 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 [2018-12-01 17:59:18,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 17:59:18,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 17:59:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 17:59:18,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 17:59:18,355 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2018-12-01 17:59:18,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:59:18,355 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 17:59:18,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 17:59:18,356 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 17:59:18,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:59:18,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 17:59:19,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:19,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:20,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:20,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:20,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:20,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:20,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:20,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:20,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:20,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:21,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:22,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:22,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:25,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:27,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:27,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:28,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:29,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:29,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:30,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:30,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:30,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:30,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:30,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:30,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:31,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:31,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:33,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:34,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:38,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:38,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:39,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:42,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:43,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:43,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:45,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:46,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:47,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:49,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:51,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:59:56,920 WARN L180 SmtUtils]: Spent 38.55 s on a formula simplification. DAG size of input: 4688 DAG size of output: 2713 [2018-12-01 18:00:54,504 WARN L180 SmtUtils]: Spent 57.56 s on a formula simplification. DAG size of input: 2296 DAG size of output: 370 [2018-12-01 18:00:54,508 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-01 18:00:54,508 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 18:00:54,508 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 18:00:54,508 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-01 18:00:54,508 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 18:00:54,508 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 18:00:54,508 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-12-01 18:00:54,508 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 33) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-12-01 18:00:54,509 INFO L448 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-12-01 18:00:54,510 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-12-01 18:00:54,510 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 32) no Hoare annotation was computed. [2018-12-01 18:00:54,511 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)))))) [2018-12-01 18:00:54,511 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-12-01 18:00:54,511 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-12-01 18:00:54,511 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-12-01 18:00:54,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 06:00:54 BoogieIcfgContainer [2018-12-01 18:00:54,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 18:00:54,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:00:54,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:00:54,542 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:00:54,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:44" (3/4) ... [2018-12-01 18:00:54,545 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:00:54,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 18:00:54,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 18:00:54,552 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-01 18:00:54,552 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 18:00:54,552 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:00:54,552 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:00:54,582 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f36356f-de96-4012-a1ea-665b0b489706/bin-2019/uautomizer/witness.graphml [2018-12-01 18:00:54,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:00:54,583 INFO L168 Benchmark]: Toolchain (without parser) took 130301.64 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 961.4 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 448.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:00:54,583 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:00:54,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 116.86 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:00:54,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.78 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:00:54,584 INFO L168 Benchmark]: Boogie Preprocessor took 12.34 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:00:54,584 INFO L168 Benchmark]: RCFGBuilder took 160.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 58.2 MB). Free memory was 945.3 MB in the beginning and 1.0 GB in the end (delta: -91.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:00:54,584 INFO L168 Benchmark]: TraceAbstraction took 129957.48 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-01 18:00:54,584 INFO L168 Benchmark]: Witness Printer took 40.20 ms. Allocated memory is still 3.0 GB. Free memory is still 2.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:00:54,585 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 116.86 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 11.78 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.34 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 160.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 58.2 MB). Free memory was 945.3 MB in the beginning and 1.0 GB in the end (delta: -91.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 129957.48 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 40.20 ms. Allocated memory is still 3.0 GB. Free memory is still 2.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 28]: 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: 20]: 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: 28]: 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, 129.8s OverallTime, 45 OverallIterations, 12 TraceHistogramMax, 14.4s AutomataDifference, 0.0s DeadEndRemovalTime, 96.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1320 SDtfs, 7931 SDslu, 5774 SDs, 0 SdLazy, 1770 SolverSat, 1185 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2498 GetRequests, 2167 SyntacticMatches, 0 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2405 ImplicationChecksByTransitivity, 1.6s 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: 15.5s AutomataMinimizationTime, 45 MinimizatonAttempts, 203067 StatesRemovedByMinimization, 42 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 1838 NumberOfFragments, 5715 HoareAnnotationTreeSize, 5 FomulaSimplifications, 604260 FormulaSimplificationTreeSizeReduction, 38.5s HoareSimplificationTime, 5 FomulaSimplificationsInter, 87620 FormulaSimplificationTreeSizeReductionInter, 57.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s 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...