./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan --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 Taipan --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 0.2.0-7b2dab5 [2020-12-09 07:44:17,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 07:44:17,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 07:44:17,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 07:44:17,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 07:44:17,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 07:44:17,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 07:44:17,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 07:44:17,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 07:44:17,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 07:44:17,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 07:44:17,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 07:44:17,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 07:44:17,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 07:44:17,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 07:44:17,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 07:44:17,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 07:44:17,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 07:44:17,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 07:44:17,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 07:44:17,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 07:44:17,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 07:44:17,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 07:44:17,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 07:44:17,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 07:44:17,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 07:44:17,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 07:44:17,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 07:44:17,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 07:44:17,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 07:44:17,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 07:44:17,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 07:44:17,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 07:44:17,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 07:44:17,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 07:44:17,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 07:44:17,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 07:44:17,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 07:44:17,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 07:44:17,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 07:44:17,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 07:44:17,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-12-09 07:44:17,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 07:44:17,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 07:44:17,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 07:44:17,735 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 07:44:17,735 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 07:44:17,735 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 07:44:17,735 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 07:44:17,735 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 07:44:17,735 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 07:44:17,736 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 07:44:17,736 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 07:44:17,736 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 07:44:17,736 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 07:44:17,736 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 07:44:17,736 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 07:44:17,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 07:44:17,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 07:44:17,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 07:44:17,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 07:44:17,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 07:44:17,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 07:44:17,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 07:44:17,737 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-09 07:44:17,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 07:44:17,738 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 07:44:17,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 07:44:17,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 07:44:17,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 07:44:17,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:44:17,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 07:44:17,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 07:44:17,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 07:44:17,738 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 07:44:17,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 07:44:17,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 07:44:17,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 07:44:17,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 07:44:17,739 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0a853f0131530f88013a3fcfdf4f133f41c0569 [2020-12-09 07:44:17,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 07:44:17,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 07:44:17,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 07:44:17,951 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 07:44:17,951 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 07:44:17,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2020-12-09 07:44:17,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/data/f74188d70/ad65e786893247418f3674cdd46328ec/FLAGbc02ce82c [2020-12-09 07:44:18,349 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 07:44:18,349 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2020-12-09 07:44:18,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/data/f74188d70/ad65e786893247418f3674cdd46328ec/FLAGbc02ce82c [2020-12-09 07:44:18,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/data/f74188d70/ad65e786893247418f3674cdd46328ec [2020-12-09 07:44:18,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 07:44:18,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 07:44:18,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 07:44:18,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 07:44:18,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 07:44:18,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ef5110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18, skipping insertion in model container [2020-12-09 07:44:18,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 07:44:18,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 07:44:18,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:44:18,485 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 07:44:18,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:44:18,508 INFO L208 MainTranslator]: Completed translation [2020-12-09 07:44:18,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18 WrapperNode [2020-12-09 07:44:18,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 07:44:18,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 07:44:18,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 07:44:18,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 07:44:18,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 07:44:18,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 07:44:18,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 07:44:18,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 07:44:18,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (1/1) ... [2020-12-09 07:44:18,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 07:44:18,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 07:44:18,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 07:44:18,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 07:44:18,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/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 [2020-12-09 07:44:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 07:44:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 07:44:18,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 07:44:18,793 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-09 07:44:18,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:44:18 BoogieIcfgContainer [2020-12-09 07:44:18,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 07:44:18,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 07:44:18,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 07:44:18,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 07:44:18,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:44:18" (1/3) ... [2020-12-09 07:44:18,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354607ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:44:18, skipping insertion in model container [2020-12-09 07:44:18,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:44:18" (2/3) ... [2020-12-09 07:44:18,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354607ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:44:18, skipping insertion in model container [2020-12-09 07:44:18,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:44:18" (3/3) ... [2020-12-09 07:44:18,803 INFO L111 eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2020-12-09 07:44:18,816 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 07:44:18,819 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2020-12-09 07:44:18,830 INFO L253 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2020-12-09 07:44:18,852 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 07:44:18,852 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 07:44:18,852 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 07:44:18,852 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 07:44:18,852 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 07:44:18,852 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 07:44:18,852 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 07:44:18,853 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 07:44:18,868 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-12-09 07:44:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-09 07:44:18,872 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:18,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-09 07:44:18,873 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:18,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:18,878 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2020-12-09 07:44:18,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:18,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866564025] [2020-12-09 07:44:18,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:18,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866564025] [2020-12-09 07:44:18,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:44:18,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 07:44:18,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765772186] [2020-12-09 07:44:18,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:44:18,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:18,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:44:19,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:19,001 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 3 states. [2020-12-09 07:44:19,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:19,036 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2020-12-09 07:44:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:44:19,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-09 07:44:19,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:19,046 INFO L225 Difference]: With dead ends: 33 [2020-12-09 07:44:19,046 INFO L226 Difference]: Without dead ends: 30 [2020-12-09 07:44:19,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:19,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-09 07:44:19,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-12-09 07:44:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-09 07:44:19,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2020-12-09 07:44:19,078 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 3 [2020-12-09 07:44:19,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:19,078 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2020-12-09 07:44:19,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:44:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2020-12-09 07:44:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 07:44:19,078 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:19,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 07:44:19,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 07:44:19,079 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:19,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:19,080 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2020-12-09 07:44:19,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:19,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623287194] [2020-12-09 07:44:19,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:19,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623287194] [2020-12-09 07:44:19,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:44:19,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 07:44:19,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563171859] [2020-12-09 07:44:19,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:44:19,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:19,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:44:19,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:19,103 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand 3 states. [2020-12-09 07:44:19,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:19,114 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2020-12-09 07:44:19,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:44:19,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-09 07:44:19,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:19,115 INFO L225 Difference]: With dead ends: 29 [2020-12-09 07:44:19,116 INFO L226 Difference]: Without dead ends: 28 [2020-12-09 07:44:19,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:19,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-09 07:44:19,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-12-09 07:44:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-09 07:44:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2020-12-09 07:44:19,122 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 4 [2020-12-09 07:44:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:19,122 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2020-12-09 07:44:19,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:44:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2020-12-09 07:44:19,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 07:44:19,123 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:19,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:44:19,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 07:44:19,124 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:19,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:19,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1366845466, now seen corresponding path program 1 times [2020-12-09 07:44:19,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:19,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010212563] [2020-12-09 07:44:19,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:19,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010212563] [2020-12-09 07:44:19,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:44:19,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 07:44:19,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445947766] [2020-12-09 07:44:19,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:44:19,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:19,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:44:19,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:19,151 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand 3 states. [2020-12-09 07:44:19,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:19,179 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2020-12-09 07:44:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:44:19,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-09 07:44:19,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:19,180 INFO L225 Difference]: With dead ends: 51 [2020-12-09 07:44:19,180 INFO L226 Difference]: Without dead ends: 49 [2020-12-09 07:44:19,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:19,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-09 07:44:19,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2020-12-09 07:44:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-09 07:44:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2020-12-09 07:44:19,186 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 7 [2020-12-09 07:44:19,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:19,187 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2020-12-09 07:44:19,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:44:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2020-12-09 07:44:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 07:44:19,187 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:19,187 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-12-09 07:44:19,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 07:44:19,188 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:19,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:19,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1366808307, now seen corresponding path program 1 times [2020-12-09 07:44:19,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:19,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642482221] [2020-12-09 07:44:19,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:19,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642482221] [2020-12-09 07:44:19,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688922066] [2020-12-09 07:44:19,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:19,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:44:19,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:19,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:19,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [310624883] [2020-12-09 07:44:19,314 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2020-12-09 07:44:19,314 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:19,317 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:19,321 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:19,321 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:19,416 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:19,530 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:19,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:19,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2020-12-09 07:44:19,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396420712] [2020-12-09 07:44:19,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 07:44:19,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:19,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 07:44:19,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-12-09 07:44:19,533 INFO L87 Difference]: Start difference. First operand 43 states and 59 transitions. Second operand 6 states. [2020-12-09 07:44:19,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:19,571 INFO L93 Difference]: Finished difference Result 146 states and 202 transitions. [2020-12-09 07:44:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 07:44:19,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2020-12-09 07:44:19,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:19,574 INFO L225 Difference]: With dead ends: 146 [2020-12-09 07:44:19,574 INFO L226 Difference]: Without dead ends: 145 [2020-12-09 07:44:19,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-12-09 07:44:19,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-12-09 07:44:19,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 123. [2020-12-09 07:44:19,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-09 07:44:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 196 transitions. [2020-12-09 07:44:19,592 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 196 transitions. Word has length 7 [2020-12-09 07:44:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:19,593 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 196 transitions. [2020-12-09 07:44:19,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 07:44:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 196 transitions. [2020-12-09 07:44:19,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 07:44:19,594 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:19,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:44:19,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2020-12-09 07:44:19,795 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:19,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:19,797 INFO L82 PathProgramCache]: Analyzing trace with hash 577463568, now seen corresponding path program 1 times [2020-12-09 07:44:19,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:19,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329482998] [2020-12-09 07:44:19,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:19,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:19,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329482998] [2020-12-09 07:44:19,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:44:19,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 07:44:19,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924868599] [2020-12-09 07:44:19,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:44:19,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:19,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:44:19,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:19,861 INFO L87 Difference]: Start difference. First operand 123 states and 196 transitions. Second operand 3 states. [2020-12-09 07:44:19,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:19,916 INFO L93 Difference]: Finished difference Result 212 states and 337 transitions. [2020-12-09 07:44:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:44:19,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-12-09 07:44:19,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:19,919 INFO L225 Difference]: With dead ends: 212 [2020-12-09 07:44:19,919 INFO L226 Difference]: Without dead ends: 210 [2020-12-09 07:44:19,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:19,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-12-09 07:44:19,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 205. [2020-12-09 07:44:19,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-12-09 07:44:19,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 326 transitions. [2020-12-09 07:44:19,938 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 326 transitions. Word has length 8 [2020-12-09 07:44:19,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:19,938 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 326 transitions. [2020-12-09 07:44:19,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:44:19,938 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 326 transitions. [2020-12-09 07:44:19,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 07:44:19,939 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:19,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:44:19,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 07:44:19,939 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:19,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:19,940 INFO L82 PathProgramCache]: Analyzing trace with hash 721693167, now seen corresponding path program 1 times [2020-12-09 07:44:19,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:19,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356661223] [2020-12-09 07:44:19,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:19,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356661223] [2020-12-09 07:44:19,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:44:19,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 07:44:19,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294511378] [2020-12-09 07:44:19,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:44:19,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:19,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:44:19,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:19,957 INFO L87 Difference]: Start difference. First operand 205 states and 326 transitions. Second operand 3 states. [2020-12-09 07:44:19,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:19,974 INFO L93 Difference]: Finished difference Result 345 states and 546 transitions. [2020-12-09 07:44:19,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:44:19,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-09 07:44:19,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:19,977 INFO L225 Difference]: With dead ends: 345 [2020-12-09 07:44:19,977 INFO L226 Difference]: Without dead ends: 343 [2020-12-09 07:44:19,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-12-09 07:44:19,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 330. [2020-12-09 07:44:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-12-09 07:44:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 506 transitions. [2020-12-09 07:44:19,991 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 506 transitions. Word has length 9 [2020-12-09 07:44:19,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:19,991 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 506 transitions. [2020-12-09 07:44:19,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:44:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 506 transitions. [2020-12-09 07:44:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 07:44:19,991 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:19,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:44:19,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-09 07:44:19,992 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:19,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:19,992 INFO L82 PathProgramCache]: Analyzing trace with hash 897651769, now seen corresponding path program 1 times [2020-12-09 07:44:19,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:19,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357942167] [2020-12-09 07:44:19,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:20,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357942167] [2020-12-09 07:44:20,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:44:20,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 07:44:20,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479853028] [2020-12-09 07:44:20,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:44:20,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:20,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:44:20,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:20,007 INFO L87 Difference]: Start difference. First operand 330 states and 506 transitions. Second operand 3 states. [2020-12-09 07:44:20,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:20,026 INFO L93 Difference]: Finished difference Result 549 states and 840 transitions. [2020-12-09 07:44:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:44:20,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-12-09 07:44:20,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:20,029 INFO L225 Difference]: With dead ends: 549 [2020-12-09 07:44:20,029 INFO L226 Difference]: Without dead ends: 547 [2020-12-09 07:44:20,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:44:20,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2020-12-09 07:44:20,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 542. [2020-12-09 07:44:20,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-12-09 07:44:20,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 808 transitions. [2020-12-09 07:44:20,044 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 808 transitions. Word has length 10 [2020-12-09 07:44:20,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:20,045 INFO L481 AbstractCegarLoop]: Abstraction has 542 states and 808 transitions. [2020-12-09 07:44:20,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:44:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 808 transitions. [2020-12-09 07:44:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 07:44:20,045 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:20,046 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2020-12-09 07:44:20,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-09 07:44:20,046 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:20,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:20,046 INFO L82 PathProgramCache]: Analyzing trace with hash -795491305, now seen corresponding path program 1 times [2020-12-09 07:44:20,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:20,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543275227] [2020-12-09 07:44:20,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:20,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543275227] [2020-12-09 07:44:20,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903489169] [2020-12-09 07:44:20,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:20,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:44:20,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:20,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:20,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:20,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [723558536] [2020-12-09 07:44:20,127 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2020-12-09 07:44:20,127 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:20,128 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:20,128 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:20,128 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:20,203 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:20,419 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:20,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:20,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2020-12-09 07:44:20,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144666549] [2020-12-09 07:44:20,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 07:44:20,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:20,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 07:44:20,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-12-09 07:44:20,420 INFO L87 Difference]: Start difference. First operand 542 states and 808 transitions. Second operand 6 states. [2020-12-09 07:44:20,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:20,471 INFO L93 Difference]: Finished difference Result 1046 states and 1607 transitions. [2020-12-09 07:44:20,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 07:44:20,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-12-09 07:44:20,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:20,476 INFO L225 Difference]: With dead ends: 1046 [2020-12-09 07:44:20,477 INFO L226 Difference]: Without dead ends: 1044 [2020-12-09 07:44:20,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-12-09 07:44:20,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2020-12-09 07:44:20,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 903. [2020-12-09 07:44:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2020-12-09 07:44:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1366 transitions. [2020-12-09 07:44:20,496 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1366 transitions. Word has length 14 [2020-12-09 07:44:20,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:20,497 INFO L481 AbstractCegarLoop]: Abstraction has 903 states and 1366 transitions. [2020-12-09 07:44:20,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 07:44:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1366 transitions. [2020-12-09 07:44:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 07:44:20,498 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:20,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:44:20,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:20,699 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:20,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:20,700 INFO L82 PathProgramCache]: Analyzing trace with hash 592160614, now seen corresponding path program 1 times [2020-12-09 07:44:20,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:20,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230759087] [2020-12-09 07:44:20,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:20,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230759087] [2020-12-09 07:44:20,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537066952] [2020-12-09 07:44:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:20,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:44:20,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:20,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:20,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:20,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [950606392] [2020-12-09 07:44:20,882 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2020-12-09 07:44:20,882 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:20,883 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:20,883 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:20,883 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:20,951 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:21,256 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:21,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:21,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2020-12-09 07:44:21,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293332468] [2020-12-09 07:44:21,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 07:44:21,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:21,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 07:44:21,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-12-09 07:44:21,257 INFO L87 Difference]: Start difference. First operand 903 states and 1366 transitions. Second operand 6 states. [2020-12-09 07:44:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:21,295 INFO L93 Difference]: Finished difference Result 1364 states and 2105 transitions. [2020-12-09 07:44:21,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 07:44:21,296 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-12-09 07:44:21,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:21,301 INFO L225 Difference]: With dead ends: 1364 [2020-12-09 07:44:21,301 INFO L226 Difference]: Without dead ends: 1362 [2020-12-09 07:44:21,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-12-09 07:44:21,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2020-12-09 07:44:21,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1060. [2020-12-09 07:44:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2020-12-09 07:44:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1597 transitions. [2020-12-09 07:44:21,325 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1597 transitions. Word has length 16 [2020-12-09 07:44:21,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:21,325 INFO L481 AbstractCegarLoop]: Abstraction has 1060 states and 1597 transitions. [2020-12-09 07:44:21,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 07:44:21,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1597 transitions. [2020-12-09 07:44:21,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 07:44:21,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:21,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2020-12-09 07:44:21,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2020-12-09 07:44:21,529 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:21,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:21,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1222343671, now seen corresponding path program 1 times [2020-12-09 07:44:21,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:21,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734724306] [2020-12-09 07:44:21,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:21,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734724306] [2020-12-09 07:44:21,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520049731] [2020-12-09 07:44:21,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:21,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:44:21,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:21,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:21,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [549258937] [2020-12-09 07:44:21,720 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2020-12-09 07:44:21,720 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:21,720 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:21,721 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:21,721 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:21,798 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:22,116 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:22,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:22,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2020-12-09 07:44:22,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229202044] [2020-12-09 07:44:22,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 07:44:22,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:22,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 07:44:22,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-12-09 07:44:22,118 INFO L87 Difference]: Start difference. First operand 1060 states and 1597 transitions. Second operand 6 states. [2020-12-09 07:44:22,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:22,185 INFO L93 Difference]: Finished difference Result 2461 states and 3871 transitions. [2020-12-09 07:44:22,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 07:44:22,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-12-09 07:44:22,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:22,199 INFO L225 Difference]: With dead ends: 2461 [2020-12-09 07:44:22,199 INFO L226 Difference]: Without dead ends: 2459 [2020-12-09 07:44:22,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-12-09 07:44:22,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2020-12-09 07:44:22,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 2129. [2020-12-09 07:44:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2129 states. [2020-12-09 07:44:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 3229 transitions. [2020-12-09 07:44:22,260 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 3229 transitions. Word has length 18 [2020-12-09 07:44:22,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:22,260 INFO L481 AbstractCegarLoop]: Abstraction has 2129 states and 3229 transitions. [2020-12-09 07:44:22,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 07:44:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 3229 transitions. [2020-12-09 07:44:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 07:44:22,261 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:22,262 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1] [2020-12-09 07:44:22,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:22,462 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:22,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:22,463 INFO L82 PathProgramCache]: Analyzing trace with hash -134417391, now seen corresponding path program 2 times [2020-12-09 07:44:22,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:22,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033390598] [2020-12-09 07:44:22,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:22,485 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-09 07:44:22,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033390598] [2020-12-09 07:44:22,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185967844] [2020-12-09 07:44:22,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:22,497 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2020-12-09 07:44:22,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 07:44:22,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:44:22,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-09 07:44:22,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-09 07:44:22,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [722225934] [2020-12-09 07:44:22,529 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2020-12-09 07:44:22,529 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:22,530 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:22,530 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:22,530 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:22,551 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:22,642 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:22,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:22,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2020-12-09 07:44:22,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171297486] [2020-12-09 07:44:22,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 07:44:22,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:22,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 07:44:22,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-12-09 07:44:22,644 INFO L87 Difference]: Start difference. First operand 2129 states and 3229 transitions. Second operand 6 states. [2020-12-09 07:44:22,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:22,674 INFO L93 Difference]: Finished difference Result 2129 states and 3229 transitions. [2020-12-09 07:44:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 07:44:22,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-12-09 07:44:22,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:22,682 INFO L225 Difference]: With dead ends: 2129 [2020-12-09 07:44:22,682 INFO L226 Difference]: Without dead ends: 2128 [2020-12-09 07:44:22,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-09 07:44:22,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2020-12-09 07:44:22,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 1798. [2020-12-09 07:44:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1798 states. [2020-12-09 07:44:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 2664 transitions. [2020-12-09 07:44:22,715 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 2664 transitions. Word has length 19 [2020-12-09 07:44:22,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:22,716 INFO L481 AbstractCegarLoop]: Abstraction has 1798 states and 2664 transitions. [2020-12-09 07:44:22,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 07:44:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2664 transitions. [2020-12-09 07:44:22,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-09 07:44:22,716 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:22,716 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:44:22,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2020-12-09 07:44:22,917 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:22,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:22,917 INFO L82 PathProgramCache]: Analyzing trace with hash -668230362, now seen corresponding path program 1 times [2020-12-09 07:44:22,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:22,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588863922] [2020-12-09 07:44:22,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:22,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588863922] [2020-12-09 07:44:22,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226077327] [2020-12-09 07:44:22,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:22,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:44:22,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:22,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:22,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1726334951] [2020-12-09 07:44:22,991 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2020-12-09 07:44:22,991 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:22,991 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:22,991 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:22,991 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:23,111 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:23,487 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:23,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:23,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2020-12-09 07:44:23,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273204637] [2020-12-09 07:44:23,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 07:44:23,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:23,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 07:44:23,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-12-09 07:44:23,489 INFO L87 Difference]: Start difference. First operand 1798 states and 2664 transitions. Second operand 6 states. [2020-12-09 07:44:23,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:23,531 INFO L93 Difference]: Finished difference Result 3110 states and 4688 transitions. [2020-12-09 07:44:23,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 07:44:23,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-12-09 07:44:23,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:23,543 INFO L225 Difference]: With dead ends: 3110 [2020-12-09 07:44:23,543 INFO L226 Difference]: Without dead ends: 3108 [2020-12-09 07:44:23,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-12-09 07:44:23,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2020-12-09 07:44:23,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 2295. [2020-12-09 07:44:23,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2295 states. [2020-12-09 07:44:23,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 3342 transitions. [2020-12-09 07:44:23,591 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 3342 transitions. Word has length 20 [2020-12-09 07:44:23,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:23,591 INFO L481 AbstractCegarLoop]: Abstraction has 2295 states and 3342 transitions. [2020-12-09 07:44:23,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 07:44:23,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 3342 transitions. [2020-12-09 07:44:23,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-09 07:44:23,592 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:23,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1] [2020-12-09 07:44:23,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:23,793 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:23,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:23,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1092753757, now seen corresponding path program 1 times [2020-12-09 07:44:23,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:23,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98172846] [2020-12-09 07:44:23,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:23,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98172846] [2020-12-09 07:44:23,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774169452] [2020-12-09 07:44:23,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:23,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 07:44:23,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:23,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:23,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1131457646] [2020-12-09 07:44:23,964 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2020-12-09 07:44:23,965 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:23,965 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:23,965 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:23,965 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:24,004 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:24,254 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:24,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:24,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2020-12-09 07:44:24,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90610424] [2020-12-09 07:44:24,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 07:44:24,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:24,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 07:44:24,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-12-09 07:44:24,255 INFO L87 Difference]: Start difference. First operand 2295 states and 3342 transitions. Second operand 8 states. [2020-12-09 07:44:24,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:24,332 INFO L93 Difference]: Finished difference Result 6600 states and 9697 transitions. [2020-12-09 07:44:24,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 07:44:24,333 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-12-09 07:44:24,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:24,356 INFO L225 Difference]: With dead ends: 6600 [2020-12-09 07:44:24,357 INFO L226 Difference]: Without dead ends: 6599 [2020-12-09 07:44:24,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-12-09 07:44:24,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6599 states. [2020-12-09 07:44:24,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6599 to 5400. [2020-12-09 07:44:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5400 states. [2020-12-09 07:44:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5400 states to 5400 states and 7852 transitions. [2020-12-09 07:44:24,450 INFO L78 Accepts]: Start accepts. Automaton has 5400 states and 7852 transitions. Word has length 25 [2020-12-09 07:44:24,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:24,450 INFO L481 AbstractCegarLoop]: Abstraction has 5400 states and 7852 transitions. [2020-12-09 07:44:24,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 07:44:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5400 states and 7852 transitions. [2020-12-09 07:44:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-09 07:44:24,451 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:24,451 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1] [2020-12-09 07:44:24,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:24,652 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:24,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:24,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1682870728, now seen corresponding path program 1 times [2020-12-09 07:44:24,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:24,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171943973] [2020-12-09 07:44:24,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:24,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171943973] [2020-12-09 07:44:24,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520411469] [2020-12-09 07:44:24,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:24,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 07:44:24,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:24,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:24,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:24,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1459714607] [2020-12-09 07:44:24,868 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2020-12-09 07:44:24,869 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:24,869 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:24,869 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:24,869 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:24,918 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:25,243 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:25,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:25,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2020-12-09 07:44:25,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481215608] [2020-12-09 07:44:25,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 07:44:25,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:25,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 07:44:25,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-12-09 07:44:25,245 INFO L87 Difference]: Start difference. First operand 5400 states and 7852 transitions. Second operand 8 states. [2020-12-09 07:44:25,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:25,378 INFO L93 Difference]: Finished difference Result 15528 states and 22801 transitions. [2020-12-09 07:44:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 07:44:25,378 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-12-09 07:44:25,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:25,429 INFO L225 Difference]: With dead ends: 15528 [2020-12-09 07:44:25,430 INFO L226 Difference]: Without dead ends: 15527 [2020-12-09 07:44:25,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 73 SyntacticMatches, 6 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-12-09 07:44:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15527 states. [2020-12-09 07:44:25,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15527 to 12717. [2020-12-09 07:44:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12717 states. [2020-12-09 07:44:25,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12717 states to 12717 states and 18446 transitions. [2020-12-09 07:44:25,649 INFO L78 Accepts]: Start accepts. Automaton has 12717 states and 18446 transitions. Word has length 31 [2020-12-09 07:44:25,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:25,649 INFO L481 AbstractCegarLoop]: Abstraction has 12717 states and 18446 transitions. [2020-12-09 07:44:25,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 07:44:25,649 INFO L276 IsEmpty]: Start isEmpty. Operand 12717 states and 18446 transitions. [2020-12-09 07:44:25,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-09 07:44:25,651 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:25,651 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1] [2020-12-09 07:44:25,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:25,853 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:25,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:25,854 INFO L82 PathProgramCache]: Analyzing trace with hash -507101786, now seen corresponding path program 2 times [2020-12-09 07:44:25,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:25,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381466081] [2020-12-09 07:44:25,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:25,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381466081] [2020-12-09 07:44:25,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82386490] [2020-12-09 07:44:25,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:25,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-12-09 07:44:25,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 07:44:25,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 07:44:25,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:25,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:26,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [229154740] [2020-12-09 07:44:26,038 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2020-12-09 07:44:26,038 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:26,038 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:26,038 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:26,038 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:26,076 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:26,267 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:26,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:26,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2020-12-09 07:44:26,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011015713] [2020-12-09 07:44:26,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-09 07:44:26,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:26,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-09 07:44:26,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-12-09 07:44:26,269 INFO L87 Difference]: Start difference. First operand 12717 states and 18446 transitions. Second operand 12 states. [2020-12-09 07:44:26,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:26,584 INFO L93 Difference]: Finished difference Result 43312 states and 64319 transitions. [2020-12-09 07:44:26,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-09 07:44:26,585 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2020-12-09 07:44:26,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:26,667 INFO L225 Difference]: With dead ends: 43312 [2020-12-09 07:44:26,667 INFO L226 Difference]: Without dead ends: 43310 [2020-12-09 07:44:26,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-12-09 07:44:26,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43310 states. [2020-12-09 07:44:27,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43310 to 27375. [2020-12-09 07:44:27,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27375 states. [2020-12-09 07:44:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27375 states to 27375 states and 39070 transitions. [2020-12-09 07:44:27,218 INFO L78 Accepts]: Start accepts. Automaton has 27375 states and 39070 transitions. Word has length 35 [2020-12-09 07:44:27,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:27,218 INFO L481 AbstractCegarLoop]: Abstraction has 27375 states and 39070 transitions. [2020-12-09 07:44:27,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-09 07:44:27,218 INFO L276 IsEmpty]: Start isEmpty. Operand 27375 states and 39070 transitions. [2020-12-09 07:44:27,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-09 07:44:27,220 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:27,220 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1] [2020-12-09 07:44:27,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable146 [2020-12-09 07:44:27,422 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:27,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:27,423 INFO L82 PathProgramCache]: Analyzing trace with hash -809708433, now seen corresponding path program 2 times [2020-12-09 07:44:27,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:27,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66824922] [2020-12-09 07:44:27,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:27,488 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:27,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66824922] [2020-12-09 07:44:27,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077749492] [2020-12-09 07:44:27,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:27,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-12-09 07:44:27,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 07:44:27,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 07:44:27,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:27,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:27,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [943544095] [2020-12-09 07:44:27,585 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2020-12-09 07:44:27,585 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:27,585 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:27,585 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:27,585 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:27,619 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:27,895 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:27,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:27,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2020-12-09 07:44:27,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091377480] [2020-12-09 07:44:27,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-09 07:44:27,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:27,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-09 07:44:27,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2020-12-09 07:44:27,897 INFO L87 Difference]: Start difference. First operand 27375 states and 39070 transitions. Second operand 12 states. [2020-12-09 07:44:28,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:28,535 INFO L93 Difference]: Finished difference Result 93112 states and 136145 transitions. [2020-12-09 07:44:28,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-09 07:44:28,536 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 45 [2020-12-09 07:44:28,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:28,641 INFO L225 Difference]: With dead ends: 93112 [2020-12-09 07:44:28,642 INFO L226 Difference]: Without dead ends: 93110 [2020-12-09 07:44:28,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2020-12-09 07:44:28,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93110 states. [2020-12-09 07:44:29,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93110 to 58897. [2020-12-09 07:44:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58897 states. [2020-12-09 07:44:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58897 states to 58897 states and 82746 transitions. [2020-12-09 07:44:29,676 INFO L78 Accepts]: Start accepts. Automaton has 58897 states and 82746 transitions. Word has length 45 [2020-12-09 07:44:29,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:29,676 INFO L481 AbstractCegarLoop]: Abstraction has 58897 states and 82746 transitions. [2020-12-09 07:44:29,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-09 07:44:29,676 INFO L276 IsEmpty]: Start isEmpty. Operand 58897 states and 82746 transitions. [2020-12-09 07:44:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-09 07:44:29,680 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:29,680 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 1, 1] [2020-12-09 07:44:29,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:29,882 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:29,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:29,884 INFO L82 PathProgramCache]: Analyzing trace with hash -2041729275, now seen corresponding path program 2 times [2020-12-09 07:44:29,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:29,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538313769] [2020-12-09 07:44:29,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:29,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538313769] [2020-12-09 07:44:29,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776114685] [2020-12-09 07:44:29,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:29,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-12-09 07:44:29,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 07:44:29,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 07:44:29,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:30,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:30,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1479855608] [2020-12-09 07:44:30,117 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2020-12-09 07:44:30,117 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:30,117 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:30,117 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:30,117 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:30,159 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:30,544 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:30,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:30,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2020-12-09 07:44:30,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088063758] [2020-12-09 07:44:30,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-09 07:44:30,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:30,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-09 07:44:30,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2020-12-09 07:44:30,545 INFO L87 Difference]: Start difference. First operand 58897 states and 82746 transitions. Second operand 16 states. [2020-12-09 07:44:31,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:31,999 INFO L93 Difference]: Finished difference Result 207476 states and 294184 transitions. [2020-12-09 07:44:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-09 07:44:32,000 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 57 [2020-12-09 07:44:32,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:32,244 INFO L225 Difference]: With dead ends: 207476 [2020-12-09 07:44:32,244 INFO L226 Difference]: Without dead ends: 207475 [2020-12-09 07:44:32,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 147 SyntacticMatches, 7 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2020-12-09 07:44:32,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207475 states. [2020-12-09 07:44:34,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207475 to 115067. [2020-12-09 07:44:34,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115067 states. [2020-12-09 07:44:34,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115067 states to 115067 states and 160716 transitions. [2020-12-09 07:44:34,845 INFO L78 Accepts]: Start accepts. Automaton has 115067 states and 160716 transitions. Word has length 57 [2020-12-09 07:44:34,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:34,845 INFO L481 AbstractCegarLoop]: Abstraction has 115067 states and 160716 transitions. [2020-12-09 07:44:34,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-09 07:44:34,846 INFO L276 IsEmpty]: Start isEmpty. Operand 115067 states and 160716 transitions. [2020-12-09 07:44:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-09 07:44:34,851 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:34,852 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1] [2020-12-09 07:44:35,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable176 [2020-12-09 07:44:35,053 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:35,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:35,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1593226108, now seen corresponding path program 2 times [2020-12-09 07:44:35,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:35,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226356587] [2020-12-09 07:44:35,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:35,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226356587] [2020-12-09 07:44:35,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641078290] [2020-12-09 07:44:35,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:35,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-12-09 07:44:35,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 07:44:35,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 07:44:35,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:35,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:35,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2074520042] [2020-12-09 07:44:35,279 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2020-12-09 07:44:35,279 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 07:44:35,279 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 07:44:35,279 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 07:44:35,280 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 07:44:35,314 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 07:44:35,749 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 07:44:35,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 07:44:35,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2020-12-09 07:44:35,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107719260] [2020-12-09 07:44:35,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-09 07:44:35,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:35,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-09 07:44:35,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2020-12-09 07:44:35,750 INFO L87 Difference]: Start difference. First operand 115067 states and 160716 transitions. Second operand 16 states. [2020-12-09 07:44:38,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:38,875 INFO L93 Difference]: Finished difference Result 405128 states and 571168 transitions. [2020-12-09 07:44:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-09 07:44:38,876 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 71 [2020-12-09 07:44:38,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:39,430 INFO L225 Difference]: With dead ends: 405128 [2020-12-09 07:44:39,430 INFO L226 Difference]: Without dead ends: 405127 [2020-12-09 07:44:39,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 181 SyntacticMatches, 14 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2020-12-09 07:44:39,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405127 states. [2020-12-09 07:44:44,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405127 to 224757. [2020-12-09 07:44:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224757 states. [2020-12-09 07:44:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224757 states to 224757 states and 312126 transitions. [2020-12-09 07:44:44,646 INFO L78 Accepts]: Start accepts. Automaton has 224757 states and 312126 transitions. Word has length 71 [2020-12-09 07:44:44,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:44,646 INFO L481 AbstractCegarLoop]: Abstraction has 224757 states and 312126 transitions. [2020-12-09 07:44:44,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-09 07:44:44,646 INFO L276 IsEmpty]: Start isEmpty. Operand 224757 states and 312126 transitions. [2020-12-09 07:44:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-09 07:44:44,655 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:44:44,655 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1] [2020-12-09 07:44:44,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:44,856 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:44:44,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:44:44,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1519696454, now seen corresponding path program 3 times [2020-12-09 07:44:44,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:44:44,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210282162] [2020-12-09 07:44:44,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:44:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:44:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:44,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210282162] [2020-12-09 07:44:44,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438548785] [2020-12-09 07:44:44,978 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:44:45,005 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-09 07:44:45,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 07:44:45,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 07:44:45,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:44:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:45,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:44:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:44:45,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 07:44:45,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [11] total 34 [2020-12-09 07:44:45,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948802952] [2020-12-09 07:44:45,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-09 07:44:45,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:44:45,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-09 07:44:45,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=892, Unknown=0, NotChecked=0, Total=1190 [2020-12-09 07:44:45,356 INFO L87 Difference]: Start difference. First operand 224757 states and 312126 transitions. Second operand 24 states. [2020-12-09 07:44:46,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:44:46,504 INFO L93 Difference]: Finished difference Result 243071 states and 336740 transitions. [2020-12-09 07:44:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-09 07:44:46,505 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 77 [2020-12-09 07:44:46,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:44:46,505 INFO L225 Difference]: With dead ends: 243071 [2020-12-09 07:44:46,505 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 07:44:46,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=298, Invalid=892, Unknown=0, NotChecked=0, Total=1190 [2020-12-09 07:44:46,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 07:44:46,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 07:44:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 07:44:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 07:44:46,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2020-12-09 07:44:46,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:44:46,608 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 07:44:46,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-12-09 07:44:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 07:44:46,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 07:44:46,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable206 [2020-12-09 07:44:46,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 07:47:23,596 WARN L197 SmtUtils]: Spent 2.61 m on a formula simplification. DAG size of input: 11375 DAG size of output: 5664 [2020-12-09 07:50:07,513 WARN L197 SmtUtils]: Spent 2.73 m on a formula simplification. DAG size of input: 4788 DAG size of output: 463 [2020-12-09 07:50:07,517 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2020-12-09 07:50:07,517 INFO L262 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-12-09 07:50:07,517 INFO L262 CegarLoopResult]: For program point L23(lines 23 31) no Hoare annotation was computed. [2020-12-09 07:50:07,517 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2020-12-09 07:50:07,517 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-12-09 07:50:07,517 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 07:50:07,517 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2020-12-09 07:50:07,517 INFO L262 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-12-09 07:50:07,517 INFO L262 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed. [2020-12-09 07:50:07,517 INFO L262 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point L29(lines 29 31) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point L25(lines 25 31) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed. [2020-12-09 07:50:07,518 INFO L262 CegarLoopResult]: For program point L22(lines 22 32) no Hoare annotation was computed. [2020-12-09 07:50:07,521 INFO L258 CegarLoopResult]: At program point L22-1(lines 19 33) the Hoare annotation is: (let ((.cse48 (<= 0 (+ ULTIMATE.start_main_~x~0 2147483643))) (.cse39 (<= 0 (+ ULTIMATE.start_main_~y~0 2147483643))) (.cse57 (<= 0 (+ ULTIMATE.start_main_~y~0 2147483646))) (.cse49 (<= 0 (+ ULTIMATE.start_main_~x~0 2147483642))) (.cse46 (<= 2 ULTIMATE.start_main_~i~0)) (.cse53 (<= ULTIMATE.start_main_~x~0 2147483646)) (.cse23 (<= 0 (+ ULTIMATE.start_main_~x~0 2147483647))) (.cse41 (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648))) (.cse17 (<= ULTIMATE.start_main_~x~0 2)) (.cse54 (<= 0 (+ ULTIMATE.start_main_~y~0 4))) (.cse28 (<= ULTIMATE.start_main_~x~0 2147483644)) (.cse40 (<= 0 (+ ULTIMATE.start_main_~x~0 6))) (.cse13 (<= ULTIMATE.start_main_~y~0 4)) (.cse43 (<= ULTIMATE.start_main_~x~0 2147483642)) (.cse50 (<= ULTIMATE.start_main_~x~0 3)) (.cse47 (<= ULTIMATE.start_main_~y~0 2147483646)) (.cse51 (<= 0 (+ ULTIMATE.start_main_~y~0 2147483642))) (.cse52 (<= ULTIMATE.start_main_~y~0 2147483645)) (.cse38 (<= 6 ULTIMATE.start_main_~i~0)) (.cse6 (<= 4 ULTIMATE.start_main_~i~0)) (.cse56 (<= 0 (+ ULTIMATE.start_main_~y~0 2147483647))) (.cse16 (<= 0 (+ ULTIMATE.start_main_~x~0 3))) (.cse32 (<= 0 (+ ULTIMATE.start_main_~y~0 2147483648))) (.cse35 (<= 0 (+ ULTIMATE.start_main_~y~0 6))) (.cse45 (<= ULTIMATE.start_main_~y~0 1)) (.cse55 (<= ULTIMATE.start_main_~x~0 2147483645)) (.cse42 (<= ULTIMATE.start_main_~y~0 3)) (.cse20 (<= 0 (+ ULTIMATE.start_main_~x~0 2147483641))) (.cse10 (<= ULTIMATE.start_main_~x~0 4)) (.cse44 (<= ULTIMATE.start_main_~x~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 2)) (.cse0 (<= 0 ULTIMATE.start_main_~i~0)) (.cse14 (<= ULTIMATE.start_main_~y~0 2147483642)) (.cse21 (<= 9 ULTIMATE.start_main_~i~0)) (.cse36 (<= 0 (+ ULTIMATE.start_main_~x~0 2147483646))) (.cse22 (<= 0 (+ ULTIMATE.start_main_~x~0 5))) (.cse34 (<= 0 (+ ULTIMATE.start_main_~y~0 5))) (.cse29 (<= 0 (+ ULTIMATE.start_main_~x~0 1))) (.cse31 (<= 3 ULTIMATE.start_main_~i~0)) (.cse58 (<= 1 ULTIMATE.start_main_~i~0)) (.cse27 (<= 0 (+ ULTIMATE.start_main_~y~0 1))) (.cse18 (<= ULTIMATE.start_main_~y~0 2147483644)) (.cse12 (<= ULTIMATE.start_main_~x~0 2147483643)) (.cse15 (<= 8 ULTIMATE.start_main_~i~0)) (.cse25 (<= 0 (+ ULTIMATE.start_main_~y~0 2))) (.cse37 (<= 0 (+ ULTIMATE.start_main_~y~0 3))) (.cse19 (<= 5 ULTIMATE.start_main_~i~0)) (.cse7 (<= 0 (+ ULTIMATE.start_main_~x~0 2))) (.cse9 (<= 0 ULTIMATE.start_main_~x~0)) (.cse24 (<= ULTIMATE.start_main_~y~0 0)) (.cse26 (<= 7 ULTIMATE.start_main_~i~0)) (.cse30 (<= 0 (+ ULTIMATE.start_main_~y~0 2147483641))) (.cse1 (<= ULTIMATE.start_main_~i~0 2147483646)) (.cse2 (<= 0 ULTIMATE.start_main_~y~0)) (.cse8 (<= 10 ULTIMATE.start_main_~i~0)) (.cse33 (<= 0 (+ ULTIMATE.start_main_~x~0 4))) (.cse3 (<= ULTIMATE.start_main_~N~0 10)) (.cse4 (<= ULTIMATE.start_main_~x~0 0)) (.cse11 (<= ULTIMATE.start_main_~y~0 2147483643))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse2 .cse8 .cse3 .cse9 .cse10 .cse11) (and .cse12 .cse1 .cse13 .cse2 .cse8 .cse3 .cse9) (and .cse1 .cse2 .cse14 .cse3 .cse4 .cse15 .cse16) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse9 .cse11 .cse15) (and .cse1 .cse2 .cse8 .cse18 .cse3 .cse4 .cse16) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse19 .cse16 .cse5) (and .cse20 .cse1 .cse2 .cse3 .cse4 .cse21 .cse5) (and .cse0 .cse1 .cse22 .cse23 .cse3 .cse4 .cse24 .cse25 .cse26) (and .cse1 .cse3 .cse9 .cse10 .cse19 .cse24 .cse27) (and .cse28 .cse1 .cse3 .cse9 .cse24 .cse21 .cse25) (and .cse29 .cse1 .cse3 .cse4 .cse24 .cse15 .cse30) (and .cse1 .cse3 .cse4 .cse24 .cse27 .cse16 .cse6) (and .cse1 .cse22 .cse2 .cse8 .cse14 .cse3 .cse4) (and .cse17 .cse1 .cse3 .cse9 .cse24 .cse31 .cse27) (and .cse0 .cse17 .cse32 .cse1 .cse3 .cse9 .cse24 .cse21 .cse30) (and .cse1 .cse33 .cse34 .cse3 .cse4 .cse24 .cse21) (and .cse0 .cse17 .cse32 .cse1 .cse3 .cse9 .cse24 .cse35 .cse15) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse4 .cse26 .cse16 .cse36) (and .cse37 .cse20 .cse1 .cse8 .cse3 .cse4 .cse24) (and .cse1 .cse22 .cse3 .cse4 .cse38 .cse24 .cse27) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse9 .cse10 .cse15) (and .cse39 .cse29 .cse1 .cse8 .cse3 .cse4 .cse24) (and .cse40 .cse1 .cse2 .cse3 .cse4 .cse24 .cse38) (and .cse0 .cse41 .cse1 .cse2 .cse3 .cse42 .cse4 .cse38 .cse16) (and .cse1 .cse3 .cse9 .cse24 .cse43 .cse26 .cse25) (and .cse44 .cse1 .cse3 .cse9 .cse24 .cse15 .cse30) (and .cse1 .cse45 .cse2 .cse3 .cse4 .cse31 .cse7) (and .cse37 .cse44 .cse1 .cse3 .cse9 .cse24 .cse6) (and .cse44 .cse1 .cse2 .cse3 .cse9 .cse18 .cse15) (and .cse44 .cse1 .cse2 .cse3 .cse9 .cse11 .cse26) (and .cse1 .cse2 .cse3 .cse4 .cse24 .cse31 .cse16) (and .cse20 .cse1 .cse45 .cse2 .cse3 .cse4 .cse15) (and .cse1 .cse2 .cse3 .cse9 .cse42 .cse4 .cse31) (and .cse44 .cse1 .cse45 .cse46 .cse2 .cse3 .cse9) (and .cse0 .cse41 .cse1 .cse2 .cse33 .cse3 .cse42 .cse4 .cse26) (and .cse0 .cse17 .cse1 .cse2 .cse3 .cse9 .cse18 .cse21) (and .cse44 .cse1 .cse3 .cse9 .cse24 .cse31 .cse25) (and .cse1 .cse2 .cse3 .cse9 .cse4 .cse21 .cse47) (and .cse1 .cse22 .cse2 .cse3 .cse4 .cse26 .cse5) (and .cse1 .cse2 .cse48 .cse3 .cse4 .cse24 .cse21) (and .cse1 .cse2 .cse3 .cse9 .cse10 .cse24 .cse6) (and .cse49 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse9 .cse14 .cse26) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse42 .cse38 .cse50) (and .cse1 .cse3 .cse9 .cse4 .cse24 .cse15 .cse51) (and .cse29 .cse1 .cse2 .cse3 .cse52 .cse4 .cse21) (and .cse1 .cse53 .cse2 .cse3 .cse9 .cse24 .cse21) (and .cse1 .cse45 .cse2 .cse48 .cse8 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse14 .cse4 .cse26 .cse7) (and .cse1 .cse2 .cse8 .cse18 .cse9 .cse3 .cse50) (and .cse44 .cse1 .cse34 .cse3 .cse9 .cse24 .cse38) (and .cse1 .cse2 .cse9 .cse3 .cse24 .cse31 .cse50) (and .cse37 .cse1 .cse3 .cse9 .cse24 .cse38 .cse50) (and .cse1 .cse8 .cse3 .cse9 .cse10 .cse24 .cse35) (and .cse40 .cse1 .cse2 .cse3 .cse4 .cse15 .cse5) (and .cse44 .cse1 .cse3 .cse9 .cse19 .cse24 .cse54) (and .cse1 .cse3 .cse4 .cse24 .cse21 .cse30 .cse7) (and .cse1 .cse8 .cse3 .cse9 .cse4 (<= 0 (+ ULTIMATE.start_main_~y~0 2147483644))) (and .cse1 .cse2 .cse55 .cse3 .cse9 .cse24 .cse15) (and .cse28 .cse0 .cse1 .cse2 .cse8 .cse3 .cse9 .cse42 .cse47) (and .cse0 .cse1 .cse3 .cse4 .cse56 .cse24 .cse38 .cse54 .cse7) (and .cse1 .cse3 .cse9 .cse24 .cse26 .cse50 .cse54) (and .cse1 .cse13 .cse2 .cse3 .cse9 .cse4 .cse6) (and .cse28 .cse1 .cse3 .cse9 .cse24 .cse15 .cse27) (and .cse1 .cse2 .cse3 .cse9 .cse4 .cse38 .cse11) (and .cse28 .cse1 .cse45 .cse2 .cse3 .cse9 .cse15) (and .cse29 .cse1 .cse2 .cse3 .cse4 .cse11 .cse26) (and .cse1 .cse2 .cse9 .cse3 .cse19 .cse50 .cse5) (and .cse1 .cse8 .cse3 .cse4 .cse24 .cse51 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse42 .cse43 .cse15 .cse47) (and .cse1 .cse3 .cse9 .cse4 .cse24 .cse35 .cse38) (and .cse1 .cse45 .cse2 .cse33 .cse3 .cse19 .cse4) (and .cse1 .cse8 .cse55 .cse3 .cse9 .cse24 .cse25) (and .cse1 .cse13 .cse2 .cse33 .cse3 .cse4 .cse15) (and .cse0 .cse1 .cse12 .cse2 .cse3 .cse9 .cse15 .cse5) (and .cse44 .cse1 .cse2 .cse3 .cse9 .cse52 .cse21) (and .cse1 .cse48 .cse8 .cse3 .cse4 .cse24 .cse27) (and .cse0 .cse37 .cse17 .cse1 .cse3 .cse9 .cse19 .cse57 .cse24) (and .cse40 .cse0 .cse32 .cse41 .cse1 .cse3 .cse4 .cse24 .cse15 .cse25) (and .cse20 .cse1 .cse3 .cse4 .cse24 .cse15 .cse27) (and .cse0 .cse1 .cse2 .cse8 .cse55 .cse3 .cse9 .cse47 .cse5) (and .cse0 .cse17 .cse1 .cse13 .cse2 .cse3 .cse9 .cse38) (and .cse1 .cse2 .cse3 .cse9 .cse10 .cse42 .cse26) (and .cse28 .cse1 .cse2 .cse3 .cse9 .cse24 .cse26) (and .cse37 .cse1 .cse9 .cse3 .cse24 .cse15 .cse43) (and .cse37 .cse29 .cse1 .cse3 .cse4 .cse24 .cse6) (and .cse29 .cse1 .cse45 .cse46 .cse2 .cse3 .cse4) (and .cse1 .cse33 .cse3 .cse19 .cse4 .cse24 .cse27) (and .cse37 .cse1 .cse22 .cse3 .cse4 .cse24 .cse15) (and .cse1 .cse3 .cse4 .cse24 .cse31 .cse27 .cse7) (and .cse1 .cse22 .cse3 .cse4 .cse24 .cse21 .cse54) (and .cse39 .cse44 .cse1 .cse8 .cse3 .cse9 .cse24) (and .cse29 .cse1 .cse3 .cse4 .cse24 .cse21 .cse51) (and .cse29 .cse1 .cse13 .cse2 .cse3 .cse19 .cse4) (and .cse1 .cse45 .cse2 .cse3 .cse9 .cse10 .cse19) (and .cse0 .cse32 .cse1 .cse34 .cse3 .cse9 .cse24 .cse15 .cse50) (and .cse0 .cse37 .cse32 .cse1 .cse33 .cse3 .cse4 .cse24 .cse26) (and .cse1 .cse53 .cse8 .cse3 .cse9 .cse24 .cse27) (and .cse1 .cse3 .cse9 .cse55 .cse24 .cse21 .cse27) (and .cse1 .cse49 .cse2 .cse3 .cse4 .cse24 .cse15) (and .cse29 .cse1 .cse3 .cse4 .cse35 .cse24 .cse26) (and .cse37 .cse1 .cse3 .cse9 .cse4 .cse24 .cse31) (and .cse12 .cse1 .cse45 .cse2 .cse3 .cse9 .cse26) (and .cse17 .cse1 .cse45 .cse2 .cse9 .cse3 .cse31) (and .cse40 .cse0 .cse41 .cse1 .cse2 .cse3 .cse42 .cse4 .cse21) (and .cse1 .cse9 .cse3 .cse19 .cse24 .cse25 .cse50) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse11 .cse21 .cse50) (and .cse0 .cse49 .cse32 .cse41 .cse1 .cse8 .cse3 .cse4 .cse24 .cse25) (and .cse39 .cse1 .cse3 .cse9 .cse4 .cse24 .cse21) (and .cse44 .cse1 .cse46 .cse3 .cse9 .cse24 .cse27) (and .cse1 .cse45 .cse2 .cse3 .cse9 .cse38 .cse43) (and .cse1 .cse46 .cse2 .cse3 .cse4 .cse24 .cse7) (and .cse1 .cse12 .cse3 .cse9 .cse24 .cse26 .cse27) (and .cse40 .cse37 .cse1 .cse3 .cse4 .cse24 .cse21) (and .cse1 .cse45 .cse2 .cse9 .cse3 .cse50 .cse6) (and .cse0 .cse32 .cse1 .cse3 .cse9 .cse35 .cse24 .cse21 .cse50) (and .cse28 .cse0 .cse1 .cse2 .cse3 .cse9 .cse21 .cse5) (and .cse1 .cse46 .cse2 .cse3 .cse9 .cse4 .cse5) (and .cse1 .cse13 .cse2 .cse9 .cse3 .cse26 .cse50) (and .cse1 .cse34 .cse3 .cse9 .cse10 .cse24 .cse21) (and .cse20 .cse1 .cse2 .cse8 .cse3 .cse42 .cse4) (and .cse40 .cse1 .cse45 .cse2 .cse3 .cse4 .cse26) (and .cse1 .cse3 .cse9 .cse24 .cse38 .cse43 .cse27) (and .cse0 .cse32 .cse1 .cse8 .cse3 .cse4 .cse24 .cse16 .cse30) (and .cse12 .cse1 .cse8 .cse3 .cse9 .cse24 .cse54) (and .cse0 .cse17 .cse32 .cse1 .cse3 .cse9 .cse24 .cse25 .cse6) (and .cse1 .cse45 .cse2 .cse3 .cse9 .cse4 .cse58) (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse15 .cse7) (and .cse40 .cse1 .cse8 .cse3 .cse4 .cse24 .cse54) (and .cse29 .cse1 .cse46 .cse3 .cse4 .cse24 .cse27) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse9 .cse14 .cse43) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse10 .cse38 .cse5) (and .cse0 .cse32 .cse1 .cse33 .cse3 .cse4 .cse24 .cse15 .cse54) (and .cse17 .cse1 .cse34 .cse3 .cse9 .cse24 .cse26) (and .cse44 .cse1 .cse2 .cse3 .cse9 .cse42 .cse6) (and .cse0 .cse17 .cse32 .cse1 .cse8 .cse3 .cse9 .cse24 .cse51) (and .cse1 .cse3 .cse9 .cse24 .cse21 .cse43 .cse54) (and .cse49 .cse1 .cse45 .cse2 .cse3 .cse4 .cse21) (and .cse44 .cse1 .cse3 .cse9 .cse35 .cse24 .cse26) (and .cse1 .cse2 .cse3 .cse9 .cse19 .cse24 .cse43) (and .cse17 .cse1 .cse2 .cse46 .cse3 .cse9 .cse24) (and .cse1 .cse3 .cse9 .cse10 .cse24 .cse38 .cse25) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse14 .cse15 .cse50) (and .cse1 .cse3 .cse4 .cse35 .cse24 .cse15 .cse7) (and .cse0 .cse17 .cse1 .cse3 .cse9 .cse57 .cse24 .cse38 .cse54) (and .cse44 .cse1 .cse2 .cse3 .cse9 .cse14 .cse38) (and .cse44 .cse1 .cse2 .cse3 .cse9 .cse24 .cse58) (and .cse0 .cse1 .cse3 .cse4 .cse56 .cse24 .cse26 .cse54 .cse16) (and .cse1 .cse2 .cse14 .cse3 .cse9 .cse4 .cse19) (and .cse1 .cse8 .cse34 .cse3 .cse9 .cse24 .cse43) (and .cse1 .cse49 .cse3 .cse4 .cse24 .cse21 .cse27) (and .cse1 .cse22 .cse2 .cse3 .cse19 .cse4 .cse24) (and .cse1 .cse46 .cse3 .cse9 .cse4 .cse24 .cse25) (and .cse1 .cse2 .cse33 .cse3 .cse4 .cse24 .cse6) (and (<= 0 (+ ULTIMATE.start_main_~x~0 2147483644)) .cse1 .cse2 .cse8 .cse3 .cse24) (and .cse0 .cse1 .cse2 .cse33 .cse3 .cse4 .cse38 .cse36 .cse5) (and .cse0 .cse17 .cse32 .cse1 .cse2 .cse8 .cse3 .cse9 .cse52) (and .cse1 .cse3 .cse9 .cse4 .cse24 .cse54 .cse6) (and .cse29 .cse1 .cse2 .cse8 .cse3 .cse4 .cse47) (and .cse29 .cse1 .cse34 .cse3 .cse4 .cse24 .cse38) (and .cse1 .cse22 .cse2 .cse3 .cse4 .cse42 .cse15) (and .cse1 .cse13 .cse2 .cse3 .cse9 .cse21 .cse43) (and .cse1 .cse45 .cse53 .cse2 .cse8 .cse3 .cse9) (and .cse1 .cse2 .cse3 .cse9 .cse52 .cse4 .cse15) (and .cse0 .cse17 .cse32 .cse1 .cse2 .cse3 .cse9 .cse19 .cse42) (and .cse29 .cse1 .cse2 .cse18 .cse3 .cse4 .cse15) (and .cse0 .cse32 .cse1 .cse3 .cse4 .cse24 .cse35 .cse21 .cse16) (and .cse0 .cse1 .cse23 .cse33 .cse3 .cse4 .cse38 .cse24 .cse25) (and .cse0 .cse20 .cse32 .cse41 .cse1 .cse3 .cse4 .cse24 .cse21 .cse25) (and .cse29 .cse1 .cse2 .cse14 .cse3 .cse4 .cse38) (and .cse44 .cse1 .cse13 .cse2 .cse3 .cse9 .cse19) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse9 .cse5 .cse6) (and .cse40 .cse1 .cse3 .cse4 .cse24 .cse26 .cse27) (and .cse1 .cse3 .cse4 .cse24 .cse25 .cse6 .cse7) (and .cse1 .cse13 .cse2 .cse3 .cse4 .cse38 .cse7) (and .cse37 .cse1 .cse3 .cse4 .cse38 .cse24 .cse16) (and .cse1 .cse3 .cse9 .cse10 .cse24 .cse15 .cse54) (and .cse0 .cse1 .cse34 .cse3 .cse4 .cse56 .cse24 .cse26 .cse7) (and .cse0 .cse32 .cse1 .cse8 .cse3 .cse9 .cse24 .cse50 .cse30) (and .cse1 .cse34 .cse3 .cse9 .cse4 .cse19 .cse24) (and .cse29 .cse1 .cse3 .cse19 .cse4 .cse24 .cse54) (and .cse28 .cse37 .cse1 .cse8 .cse3 .cse9 .cse24) (and .cse40 .cse1 .cse13 .cse2 .cse8 .cse3 .cse4) (and .cse1 .cse2 .cse14 .cse3 .cse9 .cse10 .cse21) (and .cse1 .cse22 .cse13 .cse2 .cse3 .cse4 .cse21) (and .cse29 .cse1 .cse2 .cse3 .cse4 .cse31 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse43 .cse26 .cse5) (and .cse1 .cse3 .cse9 .cse24 .cse50 .cse27 .cse6) (and .cse1 .cse2 .cse3 .cse18 .cse4 .cse21 .cse7) (and .cse29 .cse1 .cse2 .cse3 .cse4 .cse58 .cse24) (and .cse1 .cse45 .cse2 .cse3 .cse4 .cse16 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse21 .cse16) (and .cse12 .cse1 .cse2 .cse3 .cse9 .cse38 .cse24) (and .cse1 .cse3 .cse19 .cse4 .cse24 .cse25 .cse16) (and .cse44 .cse1 .cse2 .cse8 .cse3 .cse9 .cse47) (and .cse44 .cse1 .cse3 .cse9 .cse24 .cse21 .cse51) (and .cse1 .cse2 .cse8 .cse3 .cse4 .cse52 .cse7) (and .cse1 .cse22 .cse45 .cse2 .cse3 .cse4 .cse38) (and .cse12 .cse1 .cse2 .cse9 .cse3 .cse42 .cse21) (and .cse29 .cse1 .cse2 .cse3 .cse42 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse34 .cse4 .cse56 .cse24 .cse15 .cse16) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4 .cse24) (and .cse37 .cse12 .cse1 .cse3 .cse9 .cse24 .cse21) (and .cse0 .cse32 .cse1 .cse8 .cse33 .cse3 .cse4 .cse24 .cse35) (and .cse1 .cse45 .cse2 .cse3 .cse9 .cse55 .cse21) (and .cse1 .cse2 .cse3 .cse19 .cse4 .cse42 .cse7) (and .cse20 .cse1 .cse2 .cse3 .cse4 .cse24 .cse26) (and .cse37 .cse1 .cse3 .cse9 .cse10 .cse24 .cse26) (and .cse44 .cse1 .cse2 .cse3 .cse9 .cse31 .cse5) (and .cse0 .cse1 .cse2 .cse33 .cse3 .cse14 .cse4 .cse21 .cse36) (and .cse1 .cse22 .cse8 .cse3 .cse34 .cse4 .cse24) (and .cse29 .cse1 .cse3 .cse4 .cse24 .cse31 .cse25) (and .cse1 .cse3 .cse9 .cse4 .cse58 .cse24 .cse27) (and .cse1 .cse2 .cse18 .cse3 .cse9 .cse4 .cse26) (and .cse12 .cse1 .cse9 .cse3 .cse24 .cse15 .cse25) (and .cse37 .cse1 .cse3 .cse19 .cse4 .cse24 .cse7) (and .cse1 .cse3 .cse9 .cse4 .cse24 .cse26 .cse30) (and .cse1 .cse2 .cse8 .cse33 .cse3 .cse4 .cse11))) [2020-12-09 07:50:07,521 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2020-12-09 07:50:07,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:50:07 BoogieIcfgContainer [2020-12-09 07:50:07,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 07:50:07,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 07:50:07,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 07:50:07,572 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 07:50:07,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:44:18" (3/4) ... [2020-12-09 07:50:07,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 07:50:07,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-09 07:50:07,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-09 07:50:07,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 07:50:07,619 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_db4e0fb1-9d3e-4a2a-a8e7-8f9d87250324/bin/utaipan/witness.graphml [2020-12-09 07:50:07,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 07:50:07,620 INFO L168 Benchmark]: Toolchain (without parser) took 349254.14 ms. Allocated memory was 94.4 MB in the beginning and 6.1 GB in the end (delta: 6.0 GB). Free memory was 72.8 MB in the beginning and 693.4 MB in the end (delta: -620.6 MB). Peak memory consumption was 5.4 GB. Max. memory is 16.1 GB. [2020-12-09 07:50:07,620 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 67.1 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:50:07,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.91 ms. Allocated memory is still 94.4 MB. Free memory was 72.8 MB in the beginning and 64.1 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 07:50:07,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.97 ms. Allocated memory is still 94.4 MB. Free memory was 64.1 MB in the beginning and 62.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:50:07,620 INFO L168 Benchmark]: Boogie Preprocessor took 12.85 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 62.0 MB in the end (delta: 911.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 07:50:07,621 INFO L168 Benchmark]: RCFGBuilder took 248.76 ms. Allocated memory is still 94.4 MB. Free memory was 61.6 MB in the beginning and 66.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 07:50:07,621 INFO L168 Benchmark]: TraceAbstraction took 348774.96 ms. Allocated memory was 94.4 MB in the beginning and 6.1 GB in the end (delta: 6.0 GB). Free memory was 66.2 MB in the beginning and 699.7 MB in the end (delta: -633.5 MB). Peak memory consumption was 5.7 GB. Max. memory is 16.1 GB. [2020-12-09 07:50:07,621 INFO L168 Benchmark]: Witness Printer took 46.82 ms. Allocated memory is still 6.1 GB. Free memory was 699.7 MB in the beginning and 693.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 07:50:07,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 67.1 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 142.91 ms. Allocated memory is still 94.4 MB. Free memory was 72.8 MB in the beginning and 64.1 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 22.97 ms. Allocated memory is still 94.4 MB. Free memory was 64.1 MB in the beginning and 62.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 12.85 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 62.0 MB in the end (delta: 911.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 248.76 ms. Allocated memory is still 94.4 MB. Free memory was 61.6 MB in the beginning and 66.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 348774.96 ms. Allocated memory was 94.4 MB in the beginning and 6.1 GB in the end (delta: 6.0 GB). Free memory was 66.2 MB in the beginning and 699.7 MB in the end (delta: -633.5 MB). Peak memory consumption was 5.7 GB. Max. memory is 16.1 GB. * Witness Printer took 46.82 ms. Allocated memory is still 6.1 GB. Free memory was 699.7 MB in the beginning and 693.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: 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: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= i && i <= 2147483646) && 0 <= y) && N <= 10) && x <= 0) && y <= 2) && 4 <= i) && 0 <= x + 2) || ((((((i <= 2147483646 && 0 <= y) && 10 <= i) && N <= 10) && 0 <= x) && x <= 4) && y <= 2147483643)) || ((((((x <= 2147483643 && i <= 2147483646) && y <= 4) && 0 <= y) && 10 <= i) && N <= 10) && 0 <= x)) || ((((((i <= 2147483646 && 0 <= y) && y <= 2147483642) && N <= 10) && x <= 0) && 8 <= i) && 0 <= x + 3)) || (((((((0 <= i && i <= 2147483646) && x <= 2) && 0 <= y) && N <= 10) && 0 <= x) && y <= 2147483643) && 8 <= i)) || ((((((i <= 2147483646 && 0 <= y) && 10 <= i) && y <= 2147483644) && N <= 10) && x <= 0) && 0 <= x + 3)) || (((((((0 <= i && i <= 2147483646) && 0 <= y) && N <= 10) && x <= 0) && 5 <= i) && 0 <= x + 3) && y <= 2)) || ((((((0 <= x + 2147483641 && i <= 2147483646) && 0 <= y) && N <= 10) && x <= 0) && 9 <= i) && y <= 2)) || ((((((((0 <= i && i <= 2147483646) && 0 <= x + 5) && 0 <= x + 2147483647) && N <= 10) && x <= 0) && y <= 0) && 0 <= y + 2) && 7 <= i)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && x <= 4) && 5 <= i) && y <= 0) && 0 <= y + 1)) || ((((((x <= 2147483644 && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 9 <= i) && 0 <= y + 2)) || ((((((0 <= x + 1 && i <= 2147483646) && N <= 10) && x <= 0) && y <= 0) && 8 <= i) && 0 <= y + 2147483641)) || ((((((i <= 2147483646 && N <= 10) && x <= 0) && y <= 0) && 0 <= y + 1) && 0 <= x + 3) && 4 <= i)) || ((((((i <= 2147483646 && 0 <= x + 5) && 0 <= y) && 10 <= i) && y <= 2147483642) && N <= 10) && x <= 0)) || ((((((x <= 2 && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 3 <= i) && 0 <= y + 1)) || ((((((((0 <= i && x <= 2) && 0 <= y + 2147483648) && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 9 <= i) && 0 <= y + 2147483641)) || ((((((i <= 2147483646 && 0 <= x + 4) && 0 <= y + 5) && N <= 10) && x <= 0) && y <= 0) && 9 <= i)) || ((((((((0 <= i && x <= 2) && 0 <= y + 2147483648) && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 0 <= y + 6) && 8 <= i)) || ((((((((0 <= i && i <= 2147483646) && y <= 4) && 0 <= y) && N <= 10) && x <= 0) && 7 <= i) && 0 <= x + 3) && 0 <= x + 2147483646)) || ((((((0 <= y + 3 && 0 <= x + 2147483641) && i <= 2147483646) && 10 <= i) && N <= 10) && x <= 0) && y <= 0)) || ((((((i <= 2147483646 && 0 <= x + 5) && N <= 10) && x <= 0) && 6 <= i) && y <= 0) && 0 <= y + 1)) || (((((((0 <= i && i <= 2147483646) && y <= 4) && 0 <= y) && N <= 10) && 0 <= x) && x <= 4) && 8 <= i)) || ((((((0 <= y + 2147483643 && 0 <= x + 1) && i <= 2147483646) && 10 <= i) && N <= 10) && x <= 0) && y <= 0)) || ((((((0 <= x + 6 && i <= 2147483646) && 0 <= y) && N <= 10) && x <= 0) && y <= 0) && 6 <= i)) || ((((((((0 <= i && 0 <= x + 2147483648) && i <= 2147483646) && 0 <= y) && N <= 10) && y <= 3) && x <= 0) && 6 <= i) && 0 <= x + 3)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && y <= 0) && x <= 2147483642) && 7 <= i) && 0 <= y + 2)) || ((((((x <= 1 && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 8 <= i) && 0 <= y + 2147483641)) || ((((((i <= 2147483646 && y <= 1) && 0 <= y) && N <= 10) && x <= 0) && 3 <= i) && 0 <= x + 2)) || ((((((0 <= y + 3 && x <= 1) && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 4 <= i)) || ((((((x <= 1 && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 2147483644) && 8 <= i)) || ((((((x <= 1 && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 2147483643) && 7 <= i)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && x <= 0) && y <= 0) && 3 <= i) && 0 <= x + 3)) || ((((((0 <= x + 2147483641 && i <= 2147483646) && y <= 1) && 0 <= y) && N <= 10) && x <= 0) && 8 <= i)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && 0 <= x) && y <= 3) && x <= 0) && 3 <= i)) || ((((((x <= 1 && i <= 2147483646) && y <= 1) && 2 <= i) && 0 <= y) && N <= 10) && 0 <= x)) || ((((((((0 <= i && 0 <= x + 2147483648) && i <= 2147483646) && 0 <= y) && 0 <= x + 4) && N <= 10) && y <= 3) && x <= 0) && 7 <= i)) || (((((((0 <= i && x <= 2) && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 2147483644) && 9 <= i)) || ((((((x <= 1 && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 3 <= i) && 0 <= y + 2)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && 0 <= x) && x <= 0) && 9 <= i) && y <= 2147483646)) || ((((((i <= 2147483646 && 0 <= x + 5) && 0 <= y) && N <= 10) && x <= 0) && 7 <= i) && y <= 2)) || ((((((i <= 2147483646 && 0 <= y) && 0 <= x + 2147483643) && N <= 10) && x <= 0) && y <= 0) && 9 <= i)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && 0 <= x) && x <= 4) && y <= 0) && 4 <= i)) || ((((((0 <= x + 2147483642 && i <= 2147483646) && 0 <= y) && 10 <= i) && N <= 10) && x <= 0) && y <= 2)) || (((((((0 <= i && i <= 2147483646) && x <= 2) && 0 <= y) && N <= 10) && 0 <= x) && y <= 2147483642) && 7 <= i)) || (((((((0 <= i && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 3) && 6 <= i) && x <= 3)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && x <= 0) && y <= 0) && 8 <= i) && 0 <= y + 2147483642)) || ((((((0 <= x + 1 && i <= 2147483646) && 0 <= y) && N <= 10) && y <= 2147483645) && x <= 0) && 9 <= i)) || ((((((i <= 2147483646 && x <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 0) && 9 <= i)) || ((((((i <= 2147483646 && y <= 1) && 0 <= y) && 0 <= x + 2147483643) && 10 <= i) && N <= 10) && x <= 0)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && y <= 2147483642) && x <= 0) && 7 <= i) && 0 <= x + 2)) || ((((((i <= 2147483646 && 0 <= y) && 10 <= i) && y <= 2147483644) && 0 <= x) && N <= 10) && x <= 3)) || ((((((x <= 1 && i <= 2147483646) && 0 <= y + 5) && N <= 10) && 0 <= x) && y <= 0) && 6 <= i)) || ((((((i <= 2147483646 && 0 <= y) && 0 <= x) && N <= 10) && y <= 0) && 3 <= i) && x <= 3)) || ((((((0 <= y + 3 && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 6 <= i) && x <= 3)) || ((((((i <= 2147483646 && 10 <= i) && N <= 10) && 0 <= x) && x <= 4) && y <= 0) && 0 <= y + 6)) || ((((((0 <= x + 6 && i <= 2147483646) && 0 <= y) && N <= 10) && x <= 0) && 8 <= i) && y <= 2)) || ((((((x <= 1 && i <= 2147483646) && N <= 10) && 0 <= x) && 5 <= i) && y <= 0) && 0 <= y + 4)) || ((((((i <= 2147483646 && N <= 10) && x <= 0) && y <= 0) && 9 <= i) && 0 <= y + 2147483641) && 0 <= x + 2)) || (((((i <= 2147483646 && 10 <= i) && N <= 10) && 0 <= x) && x <= 0) && 0 <= y + 2147483644)) || ((((((i <= 2147483646 && 0 <= y) && x <= 2147483645) && N <= 10) && 0 <= x) && y <= 0) && 8 <= i)) || ((((((((x <= 2147483644 && 0 <= i) && i <= 2147483646) && 0 <= y) && 10 <= i) && N <= 10) && 0 <= x) && y <= 3) && y <= 2147483646)) || ((((((((0 <= i && i <= 2147483646) && N <= 10) && x <= 0) && 0 <= y + 2147483647) && y <= 0) && 6 <= i) && 0 <= y + 4) && 0 <= x + 2)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && y <= 0) && 7 <= i) && x <= 3) && 0 <= y + 4)) || ((((((i <= 2147483646 && y <= 4) && 0 <= y) && N <= 10) && 0 <= x) && x <= 0) && 4 <= i)) || ((((((x <= 2147483644 && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 8 <= i) && 0 <= y + 1)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && 0 <= x) && x <= 0) && 6 <= i) && y <= 2147483643)) || ((((((x <= 2147483644 && i <= 2147483646) && y <= 1) && 0 <= y) && N <= 10) && 0 <= x) && 8 <= i)) || ((((((0 <= x + 1 && i <= 2147483646) && 0 <= y) && N <= 10) && x <= 0) && y <= 2147483643) && 7 <= i)) || ((((((i <= 2147483646 && 0 <= y) && 0 <= x) && N <= 10) && 5 <= i) && x <= 3) && y <= 2)) || ((((((i <= 2147483646 && 10 <= i) && N <= 10) && x <= 0) && y <= 0) && 0 <= y + 2147483642) && 0 <= x + 2)) || ((((((((0 <= i && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 3) && x <= 2147483642) && 8 <= i) && y <= 2147483646)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && x <= 0) && y <= 0) && 0 <= y + 6) && 6 <= i)) || ((((((i <= 2147483646 && y <= 1) && 0 <= y) && 0 <= x + 4) && N <= 10) && 5 <= i) && x <= 0)) || ((((((i <= 2147483646 && 10 <= i) && x <= 2147483645) && N <= 10) && 0 <= x) && y <= 0) && 0 <= y + 2)) || ((((((i <= 2147483646 && y <= 4) && 0 <= y) && 0 <= x + 4) && N <= 10) && x <= 0) && 8 <= i)) || (((((((0 <= i && i <= 2147483646) && x <= 2147483643) && 0 <= y) && N <= 10) && 0 <= x) && 8 <= i) && y <= 2)) || ((((((x <= 1 && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 2147483645) && 9 <= i)) || ((((((i <= 2147483646 && 0 <= x + 2147483643) && 10 <= i) && N <= 10) && x <= 0) && y <= 0) && 0 <= y + 1)) || ((((((((0 <= i && 0 <= y + 3) && x <= 2) && i <= 2147483646) && N <= 10) && 0 <= x) && 5 <= i) && 0 <= y + 2147483646) && y <= 0)) || (((((((((0 <= x + 6 && 0 <= i) && 0 <= y + 2147483648) && 0 <= x + 2147483648) && i <= 2147483646) && N <= 10) && x <= 0) && y <= 0) && 8 <= i) && 0 <= y + 2)) || ((((((0 <= x + 2147483641 && i <= 2147483646) && N <= 10) && x <= 0) && y <= 0) && 8 <= i) && 0 <= y + 1)) || ((((((((0 <= i && i <= 2147483646) && 0 <= y) && 10 <= i) && x <= 2147483645) && N <= 10) && 0 <= x) && y <= 2147483646) && y <= 2)) || (((((((0 <= i && x <= 2) && i <= 2147483646) && y <= 4) && 0 <= y) && N <= 10) && 0 <= x) && 6 <= i)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && 0 <= x) && x <= 4) && y <= 3) && 7 <= i)) || ((((((x <= 2147483644 && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 0) && 7 <= i)) || ((((((0 <= y + 3 && i <= 2147483646) && 0 <= x) && N <= 10) && y <= 0) && 8 <= i) && x <= 2147483642)) || ((((((0 <= y + 3 && 0 <= x + 1) && i <= 2147483646) && N <= 10) && x <= 0) && y <= 0) && 4 <= i)) || ((((((0 <= x + 1 && i <= 2147483646) && y <= 1) && 2 <= i) && 0 <= y) && N <= 10) && x <= 0)) || ((((((i <= 2147483646 && 0 <= x + 4) && N <= 10) && 5 <= i) && x <= 0) && y <= 0) && 0 <= y + 1)) || ((((((0 <= y + 3 && i <= 2147483646) && 0 <= x + 5) && N <= 10) && x <= 0) && y <= 0) && 8 <= i)) || ((((((i <= 2147483646 && N <= 10) && x <= 0) && y <= 0) && 3 <= i) && 0 <= y + 1) && 0 <= x + 2)) || ((((((i <= 2147483646 && 0 <= x + 5) && N <= 10) && x <= 0) && y <= 0) && 9 <= i) && 0 <= y + 4)) || ((((((0 <= y + 2147483643 && x <= 1) && i <= 2147483646) && 10 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= x + 1 && i <= 2147483646) && N <= 10) && x <= 0) && y <= 0) && 9 <= i) && 0 <= y + 2147483642)) || ((((((0 <= x + 1 && i <= 2147483646) && y <= 4) && 0 <= y) && N <= 10) && 5 <= i) && x <= 0)) || ((((((i <= 2147483646 && y <= 1) && 0 <= y) && N <= 10) && 0 <= x) && x <= 4) && 5 <= i)) || ((((((((0 <= i && 0 <= y + 2147483648) && i <= 2147483646) && 0 <= y + 5) && N <= 10) && 0 <= x) && y <= 0) && 8 <= i) && x <= 3)) || ((((((((0 <= i && 0 <= y + 3) && 0 <= y + 2147483648) && i <= 2147483646) && 0 <= x + 4) && N <= 10) && x <= 0) && y <= 0) && 7 <= i)) || ((((((i <= 2147483646 && x <= 2147483646) && 10 <= i) && N <= 10) && 0 <= x) && y <= 0) && 0 <= y + 1)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && x <= 2147483645) && y <= 0) && 9 <= i) && 0 <= y + 1)) || ((((((i <= 2147483646 && 0 <= x + 2147483642) && 0 <= y) && N <= 10) && x <= 0) && y <= 0) && 8 <= i)) || ((((((0 <= x + 1 && i <= 2147483646) && N <= 10) && x <= 0) && 0 <= y + 6) && y <= 0) && 7 <= i)) || ((((((0 <= y + 3 && i <= 2147483646) && N <= 10) && 0 <= x) && x <= 0) && y <= 0) && 3 <= i)) || ((((((x <= 2147483643 && i <= 2147483646) && y <= 1) && 0 <= y) && N <= 10) && 0 <= x) && 7 <= i)) || ((((((x <= 2 && i <= 2147483646) && y <= 1) && 0 <= y) && 0 <= x) && N <= 10) && 3 <= i)) || ((((((((0 <= x + 6 && 0 <= i) && 0 <= x + 2147483648) && i <= 2147483646) && 0 <= y) && N <= 10) && y <= 3) && x <= 0) && 9 <= i)) || ((((((i <= 2147483646 && 0 <= x) && N <= 10) && 5 <= i) && y <= 0) && 0 <= y + 2) && x <= 3)) || (((((((0 <= i && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 2147483643) && 9 <= i) && x <= 3)) || (((((((((0 <= i && 0 <= x + 2147483642) && 0 <= y + 2147483648) && 0 <= x + 2147483648) && i <= 2147483646) && 10 <= i) && N <= 10) && x <= 0) && y <= 0) && 0 <= y + 2)) || ((((((0 <= y + 2147483643 && i <= 2147483646) && N <= 10) && 0 <= x) && x <= 0) && y <= 0) && 9 <= i)) || ((((((x <= 1 && i <= 2147483646) && 2 <= i) && N <= 10) && 0 <= x) && y <= 0) && 0 <= y + 1)) || ((((((i <= 2147483646 && y <= 1) && 0 <= y) && N <= 10) && 0 <= x) && 6 <= i) && x <= 2147483642)) || ((((((i <= 2147483646 && 2 <= i) && 0 <= y) && N <= 10) && x <= 0) && y <= 0) && 0 <= x + 2)) || ((((((i <= 2147483646 && x <= 2147483643) && N <= 10) && 0 <= x) && y <= 0) && 7 <= i) && 0 <= y + 1)) || ((((((0 <= x + 6 && 0 <= y + 3) && i <= 2147483646) && N <= 10) && x <= 0) && y <= 0) && 9 <= i)) || ((((((i <= 2147483646 && y <= 1) && 0 <= y) && 0 <= x) && N <= 10) && x <= 3) && 4 <= i)) || ((((((((0 <= i && 0 <= y + 2147483648) && i <= 2147483646) && N <= 10) && 0 <= x) && 0 <= y + 6) && y <= 0) && 9 <= i) && x <= 3)) || (((((((x <= 2147483644 && 0 <= i) && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && 9 <= i) && y <= 2)) || ((((((i <= 2147483646 && 2 <= i) && 0 <= y) && N <= 10) && 0 <= x) && x <= 0) && y <= 2)) || ((((((i <= 2147483646 && y <= 4) && 0 <= y) && 0 <= x) && N <= 10) && 7 <= i) && x <= 3)) || ((((((i <= 2147483646 && 0 <= y + 5) && N <= 10) && 0 <= x) && x <= 4) && y <= 0) && 9 <= i)) || ((((((0 <= x + 2147483641 && i <= 2147483646) && 0 <= y) && 10 <= i) && N <= 10) && y <= 3) && x <= 0)) || ((((((0 <= x + 6 && i <= 2147483646) && y <= 1) && 0 <= y) && N <= 10) && x <= 0) && 7 <= i)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && y <= 0) && 6 <= i) && x <= 2147483642) && 0 <= y + 1)) || ((((((((0 <= i && 0 <= y + 2147483648) && i <= 2147483646) && 10 <= i) && N <= 10) && x <= 0) && y <= 0) && 0 <= x + 3) && 0 <= y + 2147483641)) || ((((((x <= 2147483643 && i <= 2147483646) && 10 <= i) && N <= 10) && 0 <= x) && y <= 0) && 0 <= y + 4)) || ((((((((0 <= i && x <= 2) && 0 <= y + 2147483648) && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 0 <= y + 2) && 4 <= i)) || ((((((i <= 2147483646 && y <= 1) && 0 <= y) && N <= 10) && 0 <= x) && x <= 0) && 1 <= i)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && x <= 0) && y <= 2147483643) && 8 <= i) && 0 <= x + 2)) || ((((((0 <= x + 6 && i <= 2147483646) && 10 <= i) && N <= 10) && x <= 0) && y <= 0) && 0 <= y + 4)) || ((((((0 <= x + 1 && i <= 2147483646) && 2 <= i) && N <= 10) && x <= 0) && y <= 0) && 0 <= y + 1)) || (((((((0 <= i && i <= 2147483646) && 0 <= y) && 10 <= i) && N <= 10) && 0 <= x) && y <= 2147483642) && x <= 2147483642)) || (((((((0 <= i && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && x <= 4) && 6 <= i) && y <= 2)) || ((((((((0 <= i && 0 <= y + 2147483648) && i <= 2147483646) && 0 <= x + 4) && N <= 10) && x <= 0) && y <= 0) && 8 <= i) && 0 <= y + 4)) || ((((((x <= 2 && i <= 2147483646) && 0 <= y + 5) && N <= 10) && 0 <= x) && y <= 0) && 7 <= i)) || ((((((x <= 1 && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 3) && 4 <= i)) || ((((((((0 <= i && x <= 2) && 0 <= y + 2147483648) && i <= 2147483646) && 10 <= i) && N <= 10) && 0 <= x) && y <= 0) && 0 <= y + 2147483642)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && y <= 0) && 9 <= i) && x <= 2147483642) && 0 <= y + 4)) || ((((((0 <= x + 2147483642 && i <= 2147483646) && y <= 1) && 0 <= y) && N <= 10) && x <= 0) && 9 <= i)) || ((((((x <= 1 && i <= 2147483646) && N <= 10) && 0 <= x) && 0 <= y + 6) && y <= 0) && 7 <= i)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && 0 <= x) && 5 <= i) && y <= 0) && x <= 2147483642)) || ((((((x <= 2 && i <= 2147483646) && 0 <= y) && 2 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && x <= 4) && y <= 0) && 6 <= i) && 0 <= y + 2)) || (((((((0 <= i && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 2147483642) && 8 <= i) && x <= 3)) || ((((((i <= 2147483646 && N <= 10) && x <= 0) && 0 <= y + 6) && y <= 0) && 8 <= i) && 0 <= x + 2)) || ((((((((0 <= i && x <= 2) && i <= 2147483646) && N <= 10) && 0 <= x) && 0 <= y + 2147483646) && y <= 0) && 6 <= i) && 0 <= y + 4)) || ((((((x <= 1 && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 2147483642) && 6 <= i)) || ((((((x <= 1 && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && y <= 0) && 1 <= i)) || ((((((((0 <= i && i <= 2147483646) && N <= 10) && x <= 0) && 0 <= y + 2147483647) && y <= 0) && 7 <= i) && 0 <= y + 4) && 0 <= x + 3)) || ((((((i <= 2147483646 && 0 <= y) && y <= 2147483642) && N <= 10) && 0 <= x) && x <= 0) && 5 <= i)) || ((((((i <= 2147483646 && 10 <= i) && 0 <= y + 5) && N <= 10) && 0 <= x) && y <= 0) && x <= 2147483642)) || ((((((i <= 2147483646 && 0 <= x + 2147483642) && N <= 10) && x <= 0) && y <= 0) && 9 <= i) && 0 <= y + 1)) || ((((((i <= 2147483646 && 0 <= x + 5) && 0 <= y) && N <= 10) && 5 <= i) && x <= 0) && y <= 0)) || ((((((i <= 2147483646 && 2 <= i) && N <= 10) && 0 <= x) && x <= 0) && y <= 0) && 0 <= y + 2)) || ((((((i <= 2147483646 && 0 <= y) && 0 <= x + 4) && N <= 10) && x <= 0) && y <= 0) && 4 <= i)) || (((((0 <= x + 2147483644 && i <= 2147483646) && 0 <= y) && 10 <= i) && N <= 10) && y <= 0)) || ((((((((0 <= i && i <= 2147483646) && 0 <= y) && 0 <= x + 4) && N <= 10) && x <= 0) && 6 <= i) && 0 <= x + 2147483646) && y <= 2)) || ((((((((0 <= i && x <= 2) && 0 <= y + 2147483648) && i <= 2147483646) && 0 <= y) && 10 <= i) && N <= 10) && 0 <= x) && y <= 2147483645)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && x <= 0) && y <= 0) && 0 <= y + 4) && 4 <= i)) || ((((((0 <= x + 1 && i <= 2147483646) && 0 <= y) && 10 <= i) && N <= 10) && x <= 0) && y <= 2147483646)) || ((((((0 <= x + 1 && i <= 2147483646) && 0 <= y + 5) && N <= 10) && x <= 0) && y <= 0) && 6 <= i)) || ((((((i <= 2147483646 && 0 <= x + 5) && 0 <= y) && N <= 10) && x <= 0) && y <= 3) && 8 <= i)) || ((((((i <= 2147483646 && y <= 4) && 0 <= y) && N <= 10) && 0 <= x) && 9 <= i) && x <= 2147483642)) || ((((((i <= 2147483646 && y <= 1) && x <= 2147483646) && 0 <= y) && 10 <= i) && N <= 10) && 0 <= x)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && 0 <= x) && y <= 2147483645) && x <= 0) && 8 <= i)) || ((((((((0 <= i && x <= 2) && 0 <= y + 2147483648) && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && 5 <= i) && y <= 3)) || ((((((0 <= x + 1 && i <= 2147483646) && 0 <= y) && y <= 2147483644) && N <= 10) && x <= 0) && 8 <= i)) || ((((((((0 <= i && 0 <= y + 2147483648) && i <= 2147483646) && N <= 10) && x <= 0) && y <= 0) && 0 <= y + 6) && 9 <= i) && 0 <= x + 3)) || ((((((((0 <= i && i <= 2147483646) && 0 <= x + 2147483647) && 0 <= x + 4) && N <= 10) && x <= 0) && 6 <= i) && y <= 0) && 0 <= y + 2)) || (((((((((0 <= i && 0 <= x + 2147483641) && 0 <= y + 2147483648) && 0 <= x + 2147483648) && i <= 2147483646) && N <= 10) && x <= 0) && y <= 0) && 9 <= i) && 0 <= y + 2)) || ((((((0 <= x + 1 && i <= 2147483646) && 0 <= y) && y <= 2147483642) && N <= 10) && x <= 0) && 6 <= i)) || ((((((x <= 1 && i <= 2147483646) && y <= 4) && 0 <= y) && N <= 10) && 0 <= x) && 5 <= i)) || (((((((0 <= i && i <= 2147483646) && x <= 2) && 0 <= y) && N <= 10) && 0 <= x) && y <= 2) && 4 <= i)) || ((((((0 <= x + 6 && i <= 2147483646) && N <= 10) && x <= 0) && y <= 0) && 7 <= i) && 0 <= y + 1)) || ((((((i <= 2147483646 && N <= 10) && x <= 0) && y <= 0) && 0 <= y + 2) && 4 <= i) && 0 <= x + 2)) || ((((((i <= 2147483646 && y <= 4) && 0 <= y) && N <= 10) && x <= 0) && 6 <= i) && 0 <= x + 2)) || ((((((0 <= y + 3 && i <= 2147483646) && N <= 10) && x <= 0) && 6 <= i) && y <= 0) && 0 <= x + 3)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && x <= 4) && y <= 0) && 8 <= i) && 0 <= y + 4)) || ((((((((0 <= i && i <= 2147483646) && 0 <= y + 5) && N <= 10) && x <= 0) && 0 <= y + 2147483647) && y <= 0) && 7 <= i) && 0 <= x + 2)) || ((((((((0 <= i && 0 <= y + 2147483648) && i <= 2147483646) && 10 <= i) && N <= 10) && 0 <= x) && y <= 0) && x <= 3) && 0 <= y + 2147483641)) || ((((((i <= 2147483646 && 0 <= y + 5) && N <= 10) && 0 <= x) && x <= 0) && 5 <= i) && y <= 0)) || ((((((0 <= x + 1 && i <= 2147483646) && N <= 10) && 5 <= i) && x <= 0) && y <= 0) && 0 <= y + 4)) || ((((((x <= 2147483644 && 0 <= y + 3) && i <= 2147483646) && 10 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= x + 6 && i <= 2147483646) && y <= 4) && 0 <= y) && 10 <= i) && N <= 10) && x <= 0)) || ((((((i <= 2147483646 && 0 <= y) && y <= 2147483642) && N <= 10) && 0 <= x) && x <= 4) && 9 <= i)) || ((((((i <= 2147483646 && 0 <= x + 5) && y <= 4) && 0 <= y) && N <= 10) && x <= 0) && 9 <= i)) || ((((((0 <= x + 1 && i <= 2147483646) && 0 <= y) && N <= 10) && x <= 0) && 3 <= i) && y <= 2)) || (((((((0 <= i && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && x <= 2147483642) && 7 <= i) && y <= 2)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && y <= 0) && x <= 3) && 0 <= y + 1) && 4 <= i)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && y <= 2147483644) && x <= 0) && 9 <= i) && 0 <= x + 2)) || ((((((0 <= x + 1 && i <= 2147483646) && 0 <= y) && N <= 10) && x <= 0) && 1 <= i) && y <= 0)) || ((((((i <= 2147483646 && y <= 1) && 0 <= y) && N <= 10) && x <= 0) && 0 <= x + 3) && 4 <= i)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && x <= 0) && y <= 2147483643) && 9 <= i) && 0 <= x + 3)) || ((((((x <= 2147483643 && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && 6 <= i) && y <= 0)) || ((((((i <= 2147483646 && N <= 10) && 5 <= i) && x <= 0) && y <= 0) && 0 <= y + 2) && 0 <= x + 3)) || ((((((x <= 1 && i <= 2147483646) && 0 <= y) && 10 <= i) && N <= 10) && 0 <= x) && y <= 2147483646)) || ((((((x <= 1 && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 9 <= i) && 0 <= y + 2147483642)) || ((((((i <= 2147483646 && 0 <= y) && 10 <= i) && N <= 10) && x <= 0) && y <= 2147483645) && 0 <= x + 2)) || ((((((i <= 2147483646 && 0 <= x + 5) && y <= 1) && 0 <= y) && N <= 10) && x <= 0) && 6 <= i)) || ((((((x <= 2147483643 && i <= 2147483646) && 0 <= y) && 0 <= x) && N <= 10) && y <= 3) && 9 <= i)) || ((((((0 <= x + 1 && i <= 2147483646) && 0 <= y) && N <= 10) && y <= 3) && x <= 0) && 4 <= i)) || ((((((((0 <= i && i <= 2147483646) && N <= 10) && 0 <= y + 5) && x <= 0) && 0 <= y + 2147483647) && y <= 0) && 8 <= i) && 0 <= x + 3)) || ((((((0 <= i && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && x <= 0) && y <= 0)) || ((((((0 <= y + 3 && x <= 2147483643) && i <= 2147483646) && N <= 10) && 0 <= x) && y <= 0) && 9 <= i)) || ((((((((0 <= i && 0 <= y + 2147483648) && i <= 2147483646) && 10 <= i) && 0 <= x + 4) && N <= 10) && x <= 0) && y <= 0) && 0 <= y + 6)) || ((((((i <= 2147483646 && y <= 1) && 0 <= y) && N <= 10) && 0 <= x) && x <= 2147483645) && 9 <= i)) || ((((((i <= 2147483646 && 0 <= y) && N <= 10) && 5 <= i) && x <= 0) && y <= 3) && 0 <= x + 2)) || ((((((0 <= x + 2147483641 && i <= 2147483646) && 0 <= y) && N <= 10) && x <= 0) && y <= 0) && 7 <= i)) || ((((((0 <= y + 3 && i <= 2147483646) && N <= 10) && 0 <= x) && x <= 4) && y <= 0) && 7 <= i)) || ((((((x <= 1 && i <= 2147483646) && 0 <= y) && N <= 10) && 0 <= x) && 3 <= i) && y <= 2)) || ((((((((0 <= i && i <= 2147483646) && 0 <= y) && 0 <= x + 4) && N <= 10) && y <= 2147483642) && x <= 0) && 9 <= i) && 0 <= x + 2147483646)) || ((((((i <= 2147483646 && 0 <= x + 5) && 10 <= i) && N <= 10) && 0 <= y + 5) && x <= 0) && y <= 0)) || ((((((0 <= x + 1 && i <= 2147483646) && N <= 10) && x <= 0) && y <= 0) && 3 <= i) && 0 <= y + 2)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && x <= 0) && 1 <= i) && y <= 0) && 0 <= y + 1)) || ((((((i <= 2147483646 && 0 <= y) && y <= 2147483644) && N <= 10) && 0 <= x) && x <= 0) && 7 <= i)) || ((((((x <= 2147483643 && i <= 2147483646) && 0 <= x) && N <= 10) && y <= 0) && 8 <= i) && 0 <= y + 2)) || ((((((0 <= y + 3 && i <= 2147483646) && N <= 10) && 5 <= i) && x <= 0) && y <= 0) && 0 <= x + 2)) || ((((((i <= 2147483646 && N <= 10) && 0 <= x) && x <= 0) && y <= 0) && 7 <= i) && 0 <= y + 2147483641)) || ((((((i <= 2147483646 && 0 <= y) && 10 <= i) && 0 <= x + 4) && N <= 10) && x <= 0) && y <= 2147483643) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.9s, OverallIterations: 19, TraceHistogramMax: 11, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 320.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 617 SDtfs, 2946 SDslu, 2185 SDs, 0 SdLazy, 567 SolverSat, 511 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1263 GetRequests, 1002 SyntacticMatches, 37 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1894 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224757occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.8s AutomataMinimizationTime, 19 MinimizatonAttempts, 328903 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1851 NumberOfFragments, 5542 HoareAnnotationTreeSize, 1 FomulaSimplifications, 1318188 FormulaSimplificationTreeSizeReduction, 156.7s HoareSimplificationTime, 1 FomulaSimplificationsInter, 334683 FormulaSimplificationTreeSizeReductionInter, 163.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 911 NumberOfCodeBlocks, 895 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1301 ConstructedInterpolants, 0 QuantifiedInterpolants, 261669 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1010 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 45 InterpolantComputations, 8 PerfectInterpolantSequences, 834/3057 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...