./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b0a853f0131530f88013a3fcfdf4f133f41c0569 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:03:37,765 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:03:37,766 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:03:37,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:03:37,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:03:37,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:03:37,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:03:37,774 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:03:37,775 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:03:37,776 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:03:37,776 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:03:37,776 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:03:37,777 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:03:37,777 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:03:37,778 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:03:37,778 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:03:37,779 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:03:37,779 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:03:37,780 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:03:37,781 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:03:37,782 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:03:37,782 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:03:37,783 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:03:37,783 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:03:37,783 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:03:37,784 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:03:37,784 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:03:37,785 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:03:37,785 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:03:37,786 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:03:37,786 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:03:37,786 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:03:37,786 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:03:37,786 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:03:37,787 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:03:37,787 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:03:37,787 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-12-08 16:03:37,794 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:03:37,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:03:37,795 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:03:37,795 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:03:37,795 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:03:37,795 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:03:37,795 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:03:37,795 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:03:37,796 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:03:37,796 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:03:37,796 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:03:37,796 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:03:37,796 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:03:37,796 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:03:37,796 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-08 16:03:37,796 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:03:37,796 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:03:37,796 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:03:37,796 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:03:37,797 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:03:37,797 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:03:37,797 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:03:37,797 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:03:37,797 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:03:37,797 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:03:37,797 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:03:37,797 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:03:37,797 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:03:37,797 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:03:37,797 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0a853f0131530f88013a3fcfdf4f133f41c0569 [2018-12-08 16:03:37,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:03:37,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:03:37,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:03:37,827 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:03:37,827 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:03:37,828 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-12-08 16:03:37,867 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/data/3aac7834d/092ddc6217a647ee900548a2b7fd805d/FLAG04d22f441 [2018-12-08 16:03:38,322 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:03:38,322 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-12-08 16:03:38,326 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/data/3aac7834d/092ddc6217a647ee900548a2b7fd805d/FLAG04d22f441 [2018-12-08 16:03:38,334 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/data/3aac7834d/092ddc6217a647ee900548a2b7fd805d [2018-12-08 16:03:38,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:03:38,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:03:38,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:03:38,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:03:38,339 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:03:38,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38, skipping insertion in model container [2018-12-08 16:03:38,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:03:38,354 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:03:38,435 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:03:38,438 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:03:38,447 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:03:38,455 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:03:38,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38 WrapperNode [2018-12-08 16:03:38,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:03:38,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:03:38,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:03:38,456 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:03:38,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:03:38,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:03:38,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:03:38,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:03:38,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (1/1) ... [2018-12-08 16:03:38,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:03:38,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:03:38,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:03:38,480 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:03:38,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:03:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:03:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:03:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:03:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:03:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:03:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:03:38,638 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:03:38,638 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 16:03:38,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:03:38 BoogieIcfgContainer [2018-12-08 16:03:38,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:03:38,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:03:38,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:03:38,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:03:38,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:03:38" (1/3) ... [2018-12-08 16:03:38,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0ccc73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:03:38, skipping insertion in model container [2018-12-08 16:03:38,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:38" (2/3) ... [2018-12-08 16:03:38,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0ccc73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:03:38, skipping insertion in model container [2018-12-08 16:03:38,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:03:38" (3/3) ... [2018-12-08 16:03:38,643 INFO L112 eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d_true-termination_true-no-overflow.c [2018-12-08 16:03:38,649 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:03:38,654 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2018-12-08 16:03:38,664 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2018-12-08 16:03:38,682 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:03:38,683 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:03:38,683 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:03:38,683 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:03:38,683 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:03:38,683 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:03:38,683 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:03:38,683 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:03:38,683 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:03:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-12-08 16:03:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:03:38,698 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:38,698 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:38,699 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:38,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:38,703 INFO L82 PathProgramCache]: Analyzing trace with hash 252417093, now seen corresponding path program 1 times [2018-12-08 16:03:38,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:38,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:38,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:38,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:38,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:38,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:38,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:03:38,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:03:38,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:03:38,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:38,804 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2018-12-08 16:03:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:38,838 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2018-12-08 16:03:38,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:03:38,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-08 16:03:38,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:38,845 INFO L225 Difference]: With dead ends: 48 [2018-12-08 16:03:38,845 INFO L226 Difference]: Without dead ends: 34 [2018-12-08 16:03:38,847 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:38,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-08 16:03:38,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-12-08 16:03:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-08 16:03:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-12-08 16:03:38,868 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 7 [2018-12-08 16:03:38,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:38,869 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-12-08 16:03:38,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:03:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-12-08 16:03:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:03:38,869 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:38,869 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:38,869 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:38,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:38,870 INFO L82 PathProgramCache]: Analyzing trace with hash -765004662, now seen corresponding path program 1 times [2018-12-08 16:03:38,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:38,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:38,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:38,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:38,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:38,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:38,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:03:38,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:03:38,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:03:38,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:38,887 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 3 states. [2018-12-08 16:03:38,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:38,896 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2018-12-08 16:03:38,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:03:38,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-08 16:03:38,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:38,898 INFO L225 Difference]: With dead ends: 33 [2018-12-08 16:03:38,898 INFO L226 Difference]: Without dead ends: 32 [2018-12-08 16:03:38,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:38,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-08 16:03:38,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-08 16:03:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-08 16:03:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2018-12-08 16:03:38,901 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 8 [2018-12-08 16:03:38,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:38,901 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2018-12-08 16:03:38,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:03:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-12-08 16:03:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:03:38,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:38,902 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:38,902 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:38,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:38,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1157363318, now seen corresponding path program 1 times [2018-12-08 16:03:38,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:38,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:38,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:38,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:38,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:38,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:38,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:03:38,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:03:38,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:03:38,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:38,919 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 3 states. [2018-12-08 16:03:38,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:38,937 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2018-12-08 16:03:38,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:03:38,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-08 16:03:38,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:38,938 INFO L225 Difference]: With dead ends: 55 [2018-12-08 16:03:38,938 INFO L226 Difference]: Without dead ends: 53 [2018-12-08 16:03:38,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:38,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-08 16:03:38,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2018-12-08 16:03:38,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-08 16:03:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2018-12-08 16:03:38,942 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 11 [2018-12-08 16:03:38,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:38,942 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2018-12-08 16:03:38,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:03:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2018-12-08 16:03:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:03:38,943 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:38,943 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:38,943 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:38,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:38,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1157326159, now seen corresponding path program 1 times [2018-12-08 16:03:38,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:38,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:38,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:38,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:38,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:03:38,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:38,962 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:38,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:38,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,016 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:39,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-12-08 16:03:39,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:03:39,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:03:39,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:03:39,017 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand 6 states. [2018-12-08 16:03:39,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:39,058 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2018-12-08 16:03:39,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:03:39,058 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-12-08 16:03:39,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:39,059 INFO L225 Difference]: With dead ends: 108 [2018-12-08 16:03:39,059 INFO L226 Difference]: Without dead ends: 107 [2018-12-08 16:03:39,060 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:03:39,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-08 16:03:39,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 44. [2018-12-08 16:03:39,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-08 16:03:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2018-12-08 16:03:39,064 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 11 [2018-12-08 16:03:39,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:39,064 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2018-12-08 16:03:39,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:03:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2018-12-08 16:03:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 16:03:39,065 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:39,065 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:39,065 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:39,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:39,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1518524433, now seen corresponding path program 1 times [2018-12-08 16:03:39,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:39,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:39,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:39,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:03:39,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:03:39,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:03:39,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:39,079 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 3 states. [2018-12-08 16:03:39,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:39,095 INFO L93 Difference]: Finished difference Result 81 states and 113 transitions. [2018-12-08 16:03:39,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:03:39,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-08 16:03:39,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:39,096 INFO L225 Difference]: With dead ends: 81 [2018-12-08 16:03:39,096 INFO L226 Difference]: Without dead ends: 79 [2018-12-08 16:03:39,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:39,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-08 16:03:39,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2018-12-08 16:03:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-12-08 16:03:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2018-12-08 16:03:39,100 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 12 [2018-12-08 16:03:39,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:39,100 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2018-12-08 16:03:39,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:03:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2018-12-08 16:03:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 16:03:39,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:39,101 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:39,101 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:39,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:39,101 INFO L82 PathProgramCache]: Analyzing trace with hash 170574579, now seen corresponding path program 1 times [2018-12-08 16:03:39,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:39,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:39,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:39,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:03:39,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:03:39,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:03:39,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:39,118 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand 3 states. [2018-12-08 16:03:39,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:39,137 INFO L93 Difference]: Finished difference Result 143 states and 215 transitions. [2018-12-08 16:03:39,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:03:39,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-08 16:03:39,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:39,139 INFO L225 Difference]: With dead ends: 143 [2018-12-08 16:03:39,139 INFO L226 Difference]: Without dead ends: 141 [2018-12-08 16:03:39,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:39,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-08 16:03:39,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2018-12-08 16:03:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-08 16:03:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 199 transitions. [2018-12-08 16:03:39,146 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 199 transitions. Word has length 13 [2018-12-08 16:03:39,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:39,146 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 199 transitions. [2018-12-08 16:03:39,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:03:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2018-12-08 16:03:39,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 16:03:39,147 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:39,147 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:39,147 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:39,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:39,147 INFO L82 PathProgramCache]: Analyzing trace with hash 992844728, now seen corresponding path program 1 times [2018-12-08 16:03:39,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:39,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:39,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:39,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:03:39,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:03:39,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:03:39,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:39,162 INFO L87 Difference]: Start difference. First operand 133 states and 199 transitions. Second operand 3 states. [2018-12-08 16:03:39,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:39,178 INFO L93 Difference]: Finished difference Result 259 states and 393 transitions. [2018-12-08 16:03:39,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:03:39,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-12-08 16:03:39,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:39,179 INFO L225 Difference]: With dead ends: 259 [2018-12-08 16:03:39,179 INFO L226 Difference]: Without dead ends: 257 [2018-12-08 16:03:39,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:39,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-12-08 16:03:39,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 253. [2018-12-08 16:03:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-12-08 16:03:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 381 transitions. [2018-12-08 16:03:39,190 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 381 transitions. Word has length 14 [2018-12-08 16:03:39,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:39,190 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 381 transitions. [2018-12-08 16:03:39,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:03:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 381 transitions. [2018-12-08 16:03:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 16:03:39,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:39,191 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:39,191 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:39,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:39,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1784292138, now seen corresponding path program 1 times [2018-12-08 16:03:39,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:39,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:39,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:39,212 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:39,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:39,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,240 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:39,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-12-08 16:03:39,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:03:39,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:03:39,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:03:39,241 INFO L87 Difference]: Start difference. First operand 253 states and 381 transitions. Second operand 4 states. [2018-12-08 16:03:39,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:39,271 INFO L93 Difference]: Finished difference Result 453 states and 692 transitions. [2018-12-08 16:03:39,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:03:39,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-12-08 16:03:39,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:39,272 INFO L225 Difference]: With dead ends: 453 [2018-12-08 16:03:39,272 INFO L226 Difference]: Without dead ends: 451 [2018-12-08 16:03:39,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:03:39,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-12-08 16:03:39,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 361. [2018-12-08 16:03:39,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-12-08 16:03:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 547 transitions. [2018-12-08 16:03:39,283 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 547 transitions. Word has length 18 [2018-12-08 16:03:39,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:39,283 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 547 transitions. [2018-12-08 16:03:39,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:03:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 547 transitions. [2018-12-08 16:03:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 16:03:39,284 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:39,284 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:39,284 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:39,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:39,284 INFO L82 PathProgramCache]: Analyzing trace with hash -457667387, now seen corresponding path program 1 times [2018-12-08 16:03:39,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:39,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:39,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:39,314 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:39,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:03:39,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-12-08 16:03:39,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:03:39,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:03:39,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:39,353 INFO L87 Difference]: Start difference. First operand 361 states and 547 transitions. Second operand 5 states. [2018-12-08 16:03:39,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:39,393 INFO L93 Difference]: Finished difference Result 614 states and 943 transitions. [2018-12-08 16:03:39,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 16:03:39,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-08 16:03:39,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:39,395 INFO L225 Difference]: With dead ends: 614 [2018-12-08 16:03:39,395 INFO L226 Difference]: Without dead ends: 612 [2018-12-08 16:03:39,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:39,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-12-08 16:03:39,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 468. [2018-12-08 16:03:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-12-08 16:03:39,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 705 transitions. [2018-12-08 16:03:39,416 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 705 transitions. Word has length 20 [2018-12-08 16:03:39,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:39,417 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 705 transitions. [2018-12-08 16:03:39,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:03:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 705 transitions. [2018-12-08 16:03:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 16:03:39,418 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:39,418 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:39,418 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:39,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:39,419 INFO L82 PathProgramCache]: Analyzing trace with hash -789737976, now seen corresponding path program 1 times [2018-12-08 16:03:39,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:39,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:39,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:39,441 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:39,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,469 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:39,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-12-08 16:03:39,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:03:39,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:03:39,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:03:39,470 INFO L87 Difference]: Start difference. First operand 468 states and 705 transitions. Second operand 4 states. [2018-12-08 16:03:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:39,510 INFO L93 Difference]: Finished difference Result 838 states and 1288 transitions. [2018-12-08 16:03:39,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:03:39,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-12-08 16:03:39,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:39,512 INFO L225 Difference]: With dead ends: 838 [2018-12-08 16:03:39,512 INFO L226 Difference]: Without dead ends: 836 [2018-12-08 16:03:39,513 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:03:39,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2018-12-08 16:03:39,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 672. [2018-12-08 16:03:39,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-12-08 16:03:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1011 transitions. [2018-12-08 16:03:39,530 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1011 transitions. Word has length 22 [2018-12-08 16:03:39,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:39,530 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 1011 transitions. [2018-12-08 16:03:39,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:03:39,531 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1011 transitions. [2018-12-08 16:03:39,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:03:39,531 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:39,531 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:39,532 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:39,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:39,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1545985083, now seen corresponding path program 1 times [2018-12-08 16:03:39,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:39,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:39,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:39,550 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:39,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:03:39,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-12-08 16:03:39,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:03:39,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:03:39,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:39,587 INFO L87 Difference]: Start difference. First operand 672 states and 1011 transitions. Second operand 5 states. [2018-12-08 16:03:39,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:39,639 INFO L93 Difference]: Finished difference Result 1143 states and 1751 transitions. [2018-12-08 16:03:39,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 16:03:39,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-08 16:03:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:39,644 INFO L225 Difference]: With dead ends: 1143 [2018-12-08 16:03:39,644 INFO L226 Difference]: Without dead ends: 1141 [2018-12-08 16:03:39,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:39,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2018-12-08 16:03:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 875. [2018-12-08 16:03:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2018-12-08 16:03:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1301 transitions. [2018-12-08 16:03:39,676 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1301 transitions. Word has length 24 [2018-12-08 16:03:39,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:39,676 INFO L480 AbstractCegarLoop]: Abstraction has 875 states and 1301 transitions. [2018-12-08 16:03:39,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:03:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1301 transitions. [2018-12-08 16:03:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 16:03:39,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:39,677 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:39,678 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:39,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:39,678 INFO L82 PathProgramCache]: Analyzing trace with hash 582614026, now seen corresponding path program 2 times [2018-12-08 16:03:39,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:39,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:39,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:39,704 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:39,714 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 16:03:39,724 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 16:03:39,724 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:39,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:39,730 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,747 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:39,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-08 16:03:39,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:03:39,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:03:39,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:39,748 INFO L87 Difference]: Start difference. First operand 875 states and 1301 transitions. Second operand 5 states. [2018-12-08 16:03:39,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:39,801 INFO L93 Difference]: Finished difference Result 1508 states and 2270 transitions. [2018-12-08 16:03:39,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 16:03:39,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-12-08 16:03:39,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:39,805 INFO L225 Difference]: With dead ends: 1508 [2018-12-08 16:03:39,806 INFO L226 Difference]: Without dead ends: 1506 [2018-12-08 16:03:39,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:39,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2018-12-08 16:03:39,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1197. [2018-12-08 16:03:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2018-12-08 16:03:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1772 transitions. [2018-12-08 16:03:39,839 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1772 transitions. Word has length 25 [2018-12-08 16:03:39,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:39,839 INFO L480 AbstractCegarLoop]: Abstraction has 1197 states and 1772 transitions. [2018-12-08 16:03:39,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:03:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1772 transitions. [2018-12-08 16:03:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 16:03:39,841 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:39,841 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:39,841 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:39,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:39,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1259703649, now seen corresponding path program 1 times [2018-12-08 16:03:39,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:39,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:39,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,843 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:39,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,862 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:39,863 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:39,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:39,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:39,905 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:39,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-08 16:03:39,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:03:39,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:03:39,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:39,906 INFO L87 Difference]: Start difference. First operand 1197 states and 1772 transitions. Second operand 5 states. [2018-12-08 16:03:39,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:39,961 INFO L93 Difference]: Finished difference Result 1955 states and 2906 transitions. [2018-12-08 16:03:39,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 16:03:39,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-08 16:03:39,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:39,967 INFO L225 Difference]: With dead ends: 1955 [2018-12-08 16:03:39,967 INFO L226 Difference]: Without dead ends: 1954 [2018-12-08 16:03:39,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:39,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2018-12-08 16:03:40,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1433. [2018-12-08 16:03:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2018-12-08 16:03:40,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 2118 transitions. [2018-12-08 16:03:40,015 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 2118 transitions. Word has length 29 [2018-12-08 16:03:40,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:40,015 INFO L480 AbstractCegarLoop]: Abstraction has 1433 states and 2118 transitions. [2018-12-08 16:03:40,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:03:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2118 transitions. [2018-12-08 16:03:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 16:03:40,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:40,016 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:40,016 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:40,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:40,017 INFO L82 PathProgramCache]: Analyzing trace with hash -886740333, now seen corresponding path program 2 times [2018-12-08 16:03:40,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:40,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:40,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:40,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:40,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:40,041 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:40,041 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:40,049 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 16:03:40,056 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 16:03:40,057 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:40,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:40,085 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:40,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-08 16:03:40,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:03:40,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:03:40,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:40,085 INFO L87 Difference]: Start difference. First operand 1433 states and 2118 transitions. Second operand 5 states. [2018-12-08 16:03:40,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:40,134 INFO L93 Difference]: Finished difference Result 2466 states and 3697 transitions. [2018-12-08 16:03:40,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 16:03:40,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-12-08 16:03:40,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:40,138 INFO L225 Difference]: With dead ends: 2466 [2018-12-08 16:03:40,138 INFO L226 Difference]: Without dead ends: 2464 [2018-12-08 16:03:40,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:40,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2018-12-08 16:03:40,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 1963. [2018-12-08 16:03:40,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1963 states. [2018-12-08 16:03:40,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 2886 transitions. [2018-12-08 16:03:40,176 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 2886 transitions. Word has length 31 [2018-12-08 16:03:40,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:40,176 INFO L480 AbstractCegarLoop]: Abstraction has 1963 states and 2886 transitions. [2018-12-08 16:03:40,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:03:40,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2886 transitions. [2018-12-08 16:03:40,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 16:03:40,176 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:40,176 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:40,177 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:40,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:40,177 INFO L82 PathProgramCache]: Analyzing trace with hash -716039594, now seen corresponding path program 3 times [2018-12-08 16:03:40,177 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:40,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:40,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:40,178 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:40,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:40,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:40,199 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:40,206 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 16:03:40,216 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-12-08 16:03:40,216 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:40,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:40,245 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:40,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-08 16:03:40,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:03:40,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:03:40,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:03:40,246 INFO L87 Difference]: Start difference. First operand 1963 states and 2886 transitions. Second operand 6 states. [2018-12-08 16:03:40,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:40,325 INFO L93 Difference]: Finished difference Result 3177 states and 4736 transitions. [2018-12-08 16:03:40,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:03:40,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-12-08 16:03:40,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:40,330 INFO L225 Difference]: With dead ends: 3177 [2018-12-08 16:03:40,330 INFO L226 Difference]: Without dead ends: 3175 [2018-12-08 16:03:40,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:03:40,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2018-12-08 16:03:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2567. [2018-12-08 16:03:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2567 states. [2018-12-08 16:03:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3753 transitions. [2018-12-08 16:03:40,380 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 3753 transitions. Word has length 32 [2018-12-08 16:03:40,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:40,381 INFO L480 AbstractCegarLoop]: Abstraction has 2567 states and 3753 transitions. [2018-12-08 16:03:40,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:03:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 3753 transitions. [2018-12-08 16:03:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 16:03:40,381 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:40,381 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:40,382 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:40,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:40,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1327564892, now seen corresponding path program 1 times [2018-12-08 16:03:40,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:40,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:40,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:40,383 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:40,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:40,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:40,411 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:40,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:40,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:40,453 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:40,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-08 16:03:40,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:03:40,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:03:40,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:40,454 INFO L87 Difference]: Start difference. First operand 2567 states and 3753 transitions. Second operand 5 states. [2018-12-08 16:03:40,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:40,549 INFO L93 Difference]: Finished difference Result 4186 states and 6159 transitions. [2018-12-08 16:03:40,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 16:03:40,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-12-08 16:03:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:40,556 INFO L225 Difference]: With dead ends: 4186 [2018-12-08 16:03:40,557 INFO L226 Difference]: Without dead ends: 4185 [2018-12-08 16:03:40,558 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:40,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4185 states. [2018-12-08 16:03:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4185 to 3075. [2018-12-08 16:03:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3075 states. [2018-12-08 16:03:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 3075 states and 4487 transitions. [2018-12-08 16:03:40,633 INFO L78 Accepts]: Start accepts. Automaton has 3075 states and 4487 transitions. Word has length 35 [2018-12-08 16:03:40,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:40,633 INFO L480 AbstractCegarLoop]: Abstraction has 3075 states and 4487 transitions. [2018-12-08 16:03:40,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:03:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 4487 transitions. [2018-12-08 16:03:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 16:03:40,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:40,634 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:40,635 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:40,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:40,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1468116811, now seen corresponding path program 2 times [2018-12-08 16:03:40,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:40,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:40,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:40,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:40,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:40,675 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:40,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:40,675 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:40,682 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 16:03:40,690 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 16:03:40,690 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:40,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:40,712 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:40,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-08 16:03:40,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:03:40,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:03:40,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:03:40,713 INFO L87 Difference]: Start difference. First operand 3075 states and 4487 transitions. Second operand 6 states. [2018-12-08 16:03:40,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:40,824 INFO L93 Difference]: Finished difference Result 4731 states and 6951 transitions. [2018-12-08 16:03:40,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:03:40,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-12-08 16:03:40,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:40,832 INFO L225 Difference]: With dead ends: 4731 [2018-12-08 16:03:40,832 INFO L226 Difference]: Without dead ends: 4730 [2018-12-08 16:03:40,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:03:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4730 states. [2018-12-08 16:03:40,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4730 to 3463. [2018-12-08 16:03:40,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3463 states. [2018-12-08 16:03:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 5051 transitions. [2018-12-08 16:03:40,895 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 5051 transitions. Word has length 37 [2018-12-08 16:03:40,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:40,895 INFO L480 AbstractCegarLoop]: Abstraction has 3463 states and 5051 transitions. [2018-12-08 16:03:40,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:03:40,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 5051 transitions. [2018-12-08 16:03:40,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 16:03:40,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:40,896 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:40,896 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:40,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:40,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1042968950, now seen corresponding path program 4 times [2018-12-08 16:03:40,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:40,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:40,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:40,898 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:40,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:40,949 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:40,949 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:40,956 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-08 16:03:40,963 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-08 16:03:40,963 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:40,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:40,982 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:40,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-08 16:03:40,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:03:40,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:03:40,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:03:40,982 INFO L87 Difference]: Start difference. First operand 3463 states and 5051 transitions. Second operand 7 states. [2018-12-08 16:03:41,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:41,085 INFO L93 Difference]: Finished difference Result 5330 states and 7888 transitions. [2018-12-08 16:03:41,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:03:41,086 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2018-12-08 16:03:41,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:41,099 INFO L225 Difference]: With dead ends: 5330 [2018-12-08 16:03:41,099 INFO L226 Difference]: Without dead ends: 5328 [2018-12-08 16:03:41,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:03:41,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2018-12-08 16:03:41,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 4381. [2018-12-08 16:03:41,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4381 states. [2018-12-08 16:03:41,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 6357 transitions. [2018-12-08 16:03:41,171 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 6357 transitions. Word has length 39 [2018-12-08 16:03:41,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:41,171 INFO L480 AbstractCegarLoop]: Abstraction has 4381 states and 6357 transitions. [2018-12-08 16:03:41,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:03:41,171 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 6357 transitions. [2018-12-08 16:03:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 16:03:41,172 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:41,172 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:41,172 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:41,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:41,172 INFO L82 PathProgramCache]: Analyzing trace with hash 535132776, now seen corresponding path program 3 times [2018-12-08 16:03:41,173 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:41,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:41,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:41,173 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:41,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:41,206 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:41,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:41,206 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:41,213 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 16:03:41,220 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-12-08 16:03:41,220 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:41,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:41,239 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:41,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-08 16:03:41,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:03:41,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:03:41,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:03:41,240 INFO L87 Difference]: Start difference. First operand 4381 states and 6357 transitions. Second operand 6 states. [2018-12-08 16:03:41,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:41,326 INFO L93 Difference]: Finished difference Result 7073 states and 10429 transitions. [2018-12-08 16:03:41,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:03:41,326 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-12-08 16:03:41,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:41,335 INFO L225 Difference]: With dead ends: 7073 [2018-12-08 16:03:41,335 INFO L226 Difference]: Without dead ends: 7071 [2018-12-08 16:03:41,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:03:41,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2018-12-08 16:03:41,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 5733. [2018-12-08 16:03:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5733 states. [2018-12-08 16:03:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5733 states to 5733 states and 8269 transitions. [2018-12-08 16:03:41,438 INFO L78 Accepts]: Start accepts. Automaton has 5733 states and 8269 transitions. Word has length 40 [2018-12-08 16:03:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:41,439 INFO L480 AbstractCegarLoop]: Abstraction has 5733 states and 8269 transitions. [2018-12-08 16:03:41,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:03:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 5733 states and 8269 transitions. [2018-12-08 16:03:41,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:03:41,440 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:41,440 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:41,440 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:41,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:41,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1865791691, now seen corresponding path program 3 times [2018-12-08 16:03:41,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:41,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:41,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:41,442 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:41,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:41,475 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:41,475 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:41,481 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 16:03:41,489 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-12-08 16:03:41,489 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:41,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:41,508 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:41,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-08 16:03:41,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:03:41,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:03:41,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:03:41,508 INFO L87 Difference]: Start difference. First operand 5733 states and 8269 transitions. Second operand 7 states. [2018-12-08 16:03:41,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:41,612 INFO L93 Difference]: Finished difference Result 8442 states and 12279 transitions. [2018-12-08 16:03:41,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:03:41,613 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-12-08 16:03:41,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:41,621 INFO L225 Difference]: With dead ends: 8442 [2018-12-08 16:03:41,621 INFO L226 Difference]: Without dead ends: 8441 [2018-12-08 16:03:41,624 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:03:41,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2018-12-08 16:03:41,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 6241. [2018-12-08 16:03:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6241 states. [2018-12-08 16:03:41,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 9003 transitions. [2018-12-08 16:03:41,726 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 9003 transitions. Word has length 45 [2018-12-08 16:03:41,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:41,726 INFO L480 AbstractCegarLoop]: Abstraction has 6241 states and 9003 transitions. [2018-12-08 16:03:41,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:03:41,726 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 9003 transitions. [2018-12-08 16:03:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:03:41,727 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:41,727 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:41,727 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:41,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:41,727 INFO L82 PathProgramCache]: Analyzing trace with hash 702806639, now seen corresponding path program 2 times [2018-12-08 16:03:41,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:41,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:41,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:41,728 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:41,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:41,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:41,760 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:41,767 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 16:03:41,774 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 16:03:41,775 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:41,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:41,796 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:41,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-08 16:03:41,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:03:41,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:03:41,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:03:41,797 INFO L87 Difference]: Start difference. First operand 6241 states and 9003 transitions. Second operand 6 states. [2018-12-08 16:03:41,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:41,915 INFO L93 Difference]: Finished difference Result 9588 states and 13947 transitions. [2018-12-08 16:03:41,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:03:41,916 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-12-08 16:03:41,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:41,928 INFO L225 Difference]: With dead ends: 9588 [2018-12-08 16:03:41,928 INFO L226 Difference]: Without dead ends: 9587 [2018-12-08 16:03:41,933 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:03:41,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9587 states. [2018-12-08 16:03:42,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9587 to 7029. [2018-12-08 16:03:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7029 states. [2018-12-08 16:03:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 10135 transitions. [2018-12-08 16:03:42,058 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 10135 transitions. Word has length 45 [2018-12-08 16:03:42,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:42,059 INFO L480 AbstractCegarLoop]: Abstraction has 7029 states and 10135 transitions. [2018-12-08 16:03:42,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:03:42,059 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 10135 transitions. [2018-12-08 16:03:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:03:42,059 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:42,059 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:42,060 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:42,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:42,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1845802966, now seen corresponding path program 5 times [2018-12-08 16:03:42,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:42,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:42,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:42,061 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:42,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:42,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:42,098 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:42,107 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-08 16:03:42,117 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-12-08 16:03:42,118 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:42,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:42,137 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:42,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-08 16:03:42,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:03:42,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:03:42,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:03:42,138 INFO L87 Difference]: Start difference. First operand 7029 states and 10135 transitions. Second operand 8 states. [2018-12-08 16:03:42,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:42,267 INFO L93 Difference]: Finished difference Result 10385 states and 15210 transitions. [2018-12-08 16:03:42,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:03:42,268 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-12-08 16:03:42,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:42,275 INFO L225 Difference]: With dead ends: 10385 [2018-12-08 16:03:42,275 INFO L226 Difference]: Without dead ends: 10383 [2018-12-08 16:03:42,279 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:03:42,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2018-12-08 16:03:42,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 8669. [2018-12-08 16:03:42,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8669 states. [2018-12-08 16:03:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8669 states to 8669 states and 12442 transitions. [2018-12-08 16:03:42,412 INFO L78 Accepts]: Start accepts. Automaton has 8669 states and 12442 transitions. Word has length 46 [2018-12-08 16:03:42,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:42,412 INFO L480 AbstractCegarLoop]: Abstraction has 8669 states and 12442 transitions. [2018-12-08 16:03:42,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:03:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 8669 states and 12442 transitions. [2018-12-08 16:03:42,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 16:03:42,413 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:42,414 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:42,414 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:42,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:42,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1310627277, now seen corresponding path program 4 times [2018-12-08 16:03:42,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:42,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:42,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:42,415 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:42,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:42,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:42,450 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:42,456 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-08 16:03:42,462 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-08 16:03:42,462 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:42,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:42,482 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:42,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-08 16:03:42,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:03:42,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:03:42,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:03:42,482 INFO L87 Difference]: Start difference. First operand 8669 states and 12442 transitions. Second operand 7 states. [2018-12-08 16:03:42,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:42,656 INFO L93 Difference]: Finished difference Result 13316 states and 19433 transitions. [2018-12-08 16:03:42,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:03:42,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2018-12-08 16:03:42,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:42,664 INFO L225 Difference]: With dead ends: 13316 [2018-12-08 16:03:42,664 INFO L226 Difference]: Without dead ends: 13314 [2018-12-08 16:03:42,666 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:03:42,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13314 states. [2018-12-08 16:03:42,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13314 to 10971. [2018-12-08 16:03:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10971 states. [2018-12-08 16:03:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10971 states to 10971 states and 15661 transitions. [2018-12-08 16:03:42,831 INFO L78 Accepts]: Start accepts. Automaton has 10971 states and 15661 transitions. Word has length 49 [2018-12-08 16:03:42,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:42,831 INFO L480 AbstractCegarLoop]: Abstraction has 10971 states and 15661 transitions. [2018-12-08 16:03:42,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:03:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 10971 states and 15661 transitions. [2018-12-08 16:03:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 16:03:42,833 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:42,833 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:42,833 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:42,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:42,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1711194378, now seen corresponding path program 6 times [2018-12-08 16:03:42,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:42,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:42,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:42,835 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:42,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:42,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:42,913 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:42,920 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-08 16:03:42,930 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-12-08 16:03:42,930 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:42,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:42,949 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:42,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-08 16:03:42,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:03:42,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:03:42,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:03:42,949 INFO L87 Difference]: Start difference. First operand 10971 states and 15661 transitions. Second operand 9 states. [2018-12-08 16:03:43,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:43,116 INFO L93 Difference]: Finished difference Result 15626 states and 22669 transitions. [2018-12-08 16:03:43,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 16:03:43,117 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2018-12-08 16:03:43,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:43,126 INFO L225 Difference]: With dead ends: 15626 [2018-12-08 16:03:43,127 INFO L226 Difference]: Without dead ends: 15624 [2018-12-08 16:03:43,131 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:03:43,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15624 states. [2018-12-08 16:03:43,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15624 to 13095. [2018-12-08 16:03:43,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13095 states. [2018-12-08 16:03:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13095 states to 13095 states and 18613 transitions. [2018-12-08 16:03:43,355 INFO L78 Accepts]: Start accepts. Automaton has 13095 states and 18613 transitions. Word has length 53 [2018-12-08 16:03:43,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:43,355 INFO L480 AbstractCegarLoop]: Abstraction has 13095 states and 18613 transitions. [2018-12-08 16:03:43,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:03:43,355 INFO L276 IsEmpty]: Start isEmpty. Operand 13095 states and 18613 transitions. [2018-12-08 16:03:43,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 16:03:43,356 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:43,357 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:43,357 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:43,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:43,357 INFO L82 PathProgramCache]: Analyzing trace with hash -434547425, now seen corresponding path program 4 times [2018-12-08 16:03:43,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:43,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:43,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:43,358 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:43,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:43,412 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:43,412 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:43,418 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-08 16:03:43,427 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-08 16:03:43,427 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:43,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:43,446 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:43,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-08 16:03:43,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:03:43,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:03:43,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:03:43,446 INFO L87 Difference]: Start difference. First operand 13095 states and 18613 transitions. Second operand 8 states. [2018-12-08 16:03:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:43,661 INFO L93 Difference]: Finished difference Result 19894 states and 28525 transitions. [2018-12-08 16:03:43,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:03:43,662 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-12-08 16:03:43,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:43,674 INFO L225 Difference]: With dead ends: 19894 [2018-12-08 16:03:43,674 INFO L226 Difference]: Without dead ends: 19893 [2018-12-08 16:03:43,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:03:43,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19893 states. [2018-12-08 16:03:43,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19893 to 14133. [2018-12-08 16:03:43,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14133 states. [2018-12-08 16:03:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14133 states to 14133 states and 20101 transitions. [2018-12-08 16:03:43,937 INFO L78 Accepts]: Start accepts. Automaton has 14133 states and 20101 transitions. Word has length 53 [2018-12-08 16:03:43,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:43,937 INFO L480 AbstractCegarLoop]: Abstraction has 14133 states and 20101 transitions. [2018-12-08 16:03:43,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:03:43,937 INFO L276 IsEmpty]: Start isEmpty. Operand 14133 states and 20101 transitions. [2018-12-08 16:03:43,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 16:03:43,938 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:43,938 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:43,939 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:43,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:43,939 INFO L82 PathProgramCache]: Analyzing trace with hash 941207746, now seen corresponding path program 3 times [2018-12-08 16:03:43,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:43,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:43,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:43,939 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:43,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:43,988 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:43,988 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:43,989 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:43,996 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 16:03:44,005 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-12-08 16:03:44,005 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:44,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:44,011 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:44,032 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:44,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-08 16:03:44,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:03:44,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:03:44,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:03:44,033 INFO L87 Difference]: Start difference. First operand 14133 states and 20101 transitions. Second operand 7 states. [2018-12-08 16:03:44,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:44,301 INFO L93 Difference]: Finished difference Result 20778 states and 29841 transitions. [2018-12-08 16:03:44,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:03:44,302 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2018-12-08 16:03:44,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:44,315 INFO L225 Difference]: With dead ends: 20778 [2018-12-08 16:03:44,315 INFO L226 Difference]: Without dead ends: 20777 [2018-12-08 16:03:44,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:03:44,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20777 states. [2018-12-08 16:03:44,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20777 to 15385. [2018-12-08 16:03:44,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15385 states. [2018-12-08 16:03:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15385 states to 15385 states and 21885 transitions. [2018-12-08 16:03:44,580 INFO L78 Accepts]: Start accepts. Automaton has 15385 states and 21885 transitions. Word has length 55 [2018-12-08 16:03:44,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:44,580 INFO L480 AbstractCegarLoop]: Abstraction has 15385 states and 21885 transitions. [2018-12-08 16:03:44,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:03:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 15385 states and 21885 transitions. [2018-12-08 16:03:44,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 16:03:44,581 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:44,581 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:44,582 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:44,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:44,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1897860808, now seen corresponding path program 5 times [2018-12-08 16:03:44,582 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:44,582 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:44,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:44,582 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:44,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:44,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:44,624 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:44,630 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-08 16:03:44,639 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-12-08 16:03:44,639 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:44,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:44,662 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:44,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-08 16:03:44,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:03:44,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:03:44,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:03:44,663 INFO L87 Difference]: Start difference. First operand 15385 states and 21885 transitions. Second operand 8 states. [2018-12-08 16:03:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:44,946 INFO L93 Difference]: Finished difference Result 22701 states and 32845 transitions. [2018-12-08 16:03:44,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:03:44,947 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-12-08 16:03:44,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:44,960 INFO L225 Difference]: With dead ends: 22701 [2018-12-08 16:03:44,960 INFO L226 Difference]: Without dead ends: 22699 [2018-12-08 16:03:44,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:03:44,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22699 states. [2018-12-08 16:03:45,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22699 to 18977. [2018-12-08 16:03:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18977 states. [2018-12-08 16:03:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18977 states to 18977 states and 26868 transitions. [2018-12-08 16:03:45,274 INFO L78 Accepts]: Start accepts. Automaton has 18977 states and 26868 transitions. Word has length 58 [2018-12-08 16:03:45,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:45,274 INFO L480 AbstractCegarLoop]: Abstraction has 18977 states and 26868 transitions. [2018-12-08 16:03:45,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:03:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 18977 states and 26868 transitions. [2018-12-08 16:03:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:03:45,276 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:45,276 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:45,276 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:45,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:45,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1695921494, now seen corresponding path program 7 times [2018-12-08 16:03:45,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:45,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:45,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:45,277 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:45,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:45,330 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:45,330 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:45,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:45,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:45,363 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:45,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-08 16:03:45,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:03:45,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:03:45,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:03:45,364 INFO L87 Difference]: Start difference. First operand 18977 states and 26868 transitions. Second operand 10 states. [2018-12-08 16:03:45,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:45,657 INFO L93 Difference]: Finished difference Result 26255 states and 37782 transitions. [2018-12-08 16:03:45,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:03:45,658 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-12-08 16:03:45,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:45,677 INFO L225 Difference]: With dead ends: 26255 [2018-12-08 16:03:45,677 INFO L226 Difference]: Without dead ends: 26253 [2018-12-08 16:03:45,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:03:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26253 states. [2018-12-08 16:03:46,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26253 to 22315. [2018-12-08 16:03:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22315 states. [2018-12-08 16:03:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22315 states to 22315 states and 31477 transitions. [2018-12-08 16:03:46,093 INFO L78 Accepts]: Start accepts. Automaton has 22315 states and 31477 transitions. Word has length 60 [2018-12-08 16:03:46,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:46,093 INFO L480 AbstractCegarLoop]: Abstraction has 22315 states and 31477 transitions. [2018-12-08 16:03:46,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:03:46,094 INFO L276 IsEmpty]: Start isEmpty. Operand 22315 states and 31477 transitions. [2018-12-08 16:03:46,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 16:03:46,095 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:46,095 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:46,095 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:46,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:46,095 INFO L82 PathProgramCache]: Analyzing trace with hash 2090391817, now seen corresponding path program 5 times [2018-12-08 16:03:46,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:46,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:46,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:46,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:46,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:46,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:46,142 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:46,150 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-08 16:03:46,162 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-12-08 16:03:46,162 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:46,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:46,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:46,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-08 16:03:46,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:03:46,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:03:46,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:03:46,183 INFO L87 Difference]: Start difference. First operand 22315 states and 31477 transitions. Second operand 9 states. [2018-12-08 16:03:46,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:46,532 INFO L93 Difference]: Finished difference Result 32959 states and 46936 transitions. [2018-12-08 16:03:46,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 16:03:46,532 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2018-12-08 16:03:46,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:46,557 INFO L225 Difference]: With dead ends: 32959 [2018-12-08 16:03:46,557 INFO L226 Difference]: Without dead ends: 32958 [2018-12-08 16:03:46,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:03:46,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32958 states. [2018-12-08 16:03:47,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32958 to 23709. [2018-12-08 16:03:47,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23709 states. [2018-12-08 16:03:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23709 states to 23709 states and 33466 transitions. [2018-12-08 16:03:47,034 INFO L78 Accepts]: Start accepts. Automaton has 23709 states and 33466 transitions. Word has length 61 [2018-12-08 16:03:47,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:47,034 INFO L480 AbstractCegarLoop]: Abstraction has 23709 states and 33466 transitions. [2018-12-08 16:03:47,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:03:47,034 INFO L276 IsEmpty]: Start isEmpty. Operand 23709 states and 33466 transitions. [2018-12-08 16:03:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 16:03:47,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:47,036 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:47,036 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:47,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:47,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1521886379, now seen corresponding path program 4 times [2018-12-08 16:03:47,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:47,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:47,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:47,037 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:47,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:47,083 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:47,083 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:47,092 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-08 16:03:47,101 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-08 16:03:47,102 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:47,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:47,126 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:47,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-08 16:03:47,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:03:47,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:03:47,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:03:47,127 INFO L87 Difference]: Start difference. First operand 23709 states and 33466 transitions. Second operand 8 states. [2018-12-08 16:03:47,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:47,503 INFO L93 Difference]: Finished difference Result 33673 states and 48022 transitions. [2018-12-08 16:03:47,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:03:47,503 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2018-12-08 16:03:47,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:47,528 INFO L225 Difference]: With dead ends: 33673 [2018-12-08 16:03:47,529 INFO L226 Difference]: Without dead ends: 33672 [2018-12-08 16:03:47,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:03:47,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33672 states. [2018-12-08 16:03:48,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33672 to 25273. [2018-12-08 16:03:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25273 states. [2018-12-08 16:03:48,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25273 states to 25273 states and 35688 transitions. [2018-12-08 16:03:48,083 INFO L78 Accepts]: Start accepts. Automaton has 25273 states and 35688 transitions. Word has length 65 [2018-12-08 16:03:48,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:48,083 INFO L480 AbstractCegarLoop]: Abstraction has 25273 states and 35688 transitions. [2018-12-08 16:03:48,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:03:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 25273 states and 35688 transitions. [2018-12-08 16:03:48,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 16:03:48,085 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:48,085 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:48,086 INFO L423 AbstractCegarLoop]: === Iteration 31 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:48,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:48,086 INFO L82 PathProgramCache]: Analyzing trace with hash -690121846, now seen corresponding path program 8 times [2018-12-08 16:03:48,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:48,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:48,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:48,086 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:48,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:48,132 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:48,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:48,132 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:48,138 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 16:03:48,148 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 16:03:48,148 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:48,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:48,169 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:48,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-08 16:03:48,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 16:03:48,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 16:03:48,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:03:48,170 INFO L87 Difference]: Start difference. First operand 25273 states and 35688 transitions. Second operand 11 states. [2018-12-08 16:03:48,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:48,594 INFO L93 Difference]: Finished difference Result 34134 states and 48972 transitions. [2018-12-08 16:03:48,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 16:03:48,594 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2018-12-08 16:03:48,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:48,620 INFO L225 Difference]: With dead ends: 34134 [2018-12-08 16:03:48,620 INFO L226 Difference]: Without dead ends: 34132 [2018-12-08 16:03:48,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:03:48,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34132 states. [2018-12-08 16:03:49,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34132 to 29349. [2018-12-08 16:03:49,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29349 states. [2018-12-08 16:03:49,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29349 states to 29349 states and 41310 transitions. [2018-12-08 16:03:49,153 INFO L78 Accepts]: Start accepts. Automaton has 29349 states and 41310 transitions. Word has length 67 [2018-12-08 16:03:49,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:49,153 INFO L480 AbstractCegarLoop]: Abstraction has 29349 states and 41310 transitions. [2018-12-08 16:03:49,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 16:03:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 29349 states and 41310 transitions. [2018-12-08 16:03:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 16:03:49,155 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:49,155 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:49,155 INFO L423 AbstractCegarLoop]: === Iteration 32 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:49,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:49,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1044856365, now seen corresponding path program 6 times [2018-12-08 16:03:49,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:49,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:49,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:49,156 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:49,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:49,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:49,269 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:49,275 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-08 16:03:49,285 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-12-08 16:03:49,286 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:49,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:49,304 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:49,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-08 16:03:49,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:03:49,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:03:49,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:03:49,305 INFO L87 Difference]: Start difference. First operand 29349 states and 41310 transitions. Second operand 9 states. [2018-12-08 16:03:49,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:49,753 INFO L93 Difference]: Finished difference Result 41884 states and 59975 transitions. [2018-12-08 16:03:49,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 16:03:49,753 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2018-12-08 16:03:49,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:49,785 INFO L225 Difference]: With dead ends: 41884 [2018-12-08 16:03:49,785 INFO L226 Difference]: Without dead ends: 41882 [2018-12-08 16:03:49,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:03:49,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41882 states. [2018-12-08 16:03:50,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41882 to 35469. [2018-12-08 16:03:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35469 states. [2018-12-08 16:03:50,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35469 states to 35469 states and 49722 transitions. [2018-12-08 16:03:50,430 INFO L78 Accepts]: Start accepts. Automaton has 35469 states and 49722 transitions. Word has length 67 [2018-12-08 16:03:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:50,430 INFO L480 AbstractCegarLoop]: Abstraction has 35469 states and 49722 transitions. [2018-12-08 16:03:50,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:03:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 35469 states and 49722 transitions. [2018-12-08 16:03:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 16:03:50,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:50,432 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:50,432 INFO L423 AbstractCegarLoop]: === Iteration 33 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:50,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:50,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1351429389, now seen corresponding path program 6 times [2018-12-08 16:03:50,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:50,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:50,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:50,433 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:50,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:50,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:50,479 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:50,485 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-08 16:03:50,498 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-12-08 16:03:50,498 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:50,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:50,520 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:50,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-08 16:03:50,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:03:50,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:03:50,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:03:50,521 INFO L87 Difference]: Start difference. First operand 35469 states and 49722 transitions. Second operand 10 states. [2018-12-08 16:03:51,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:51,172 INFO L93 Difference]: Finished difference Result 51133 states and 72401 transitions. [2018-12-08 16:03:51,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:03:51,172 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2018-12-08 16:03:51,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:51,214 INFO L225 Difference]: With dead ends: 51133 [2018-12-08 16:03:51,214 INFO L226 Difference]: Without dead ends: 51132 [2018-12-08 16:03:51,223 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:03:51,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51132 states. [2018-12-08 16:03:51,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51132 to 37265. [2018-12-08 16:03:51,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37265 states. [2018-12-08 16:03:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37265 states to 37265 states and 52275 transitions. [2018-12-08 16:03:51,949 INFO L78 Accepts]: Start accepts. Automaton has 37265 states and 52275 transitions. Word has length 69 [2018-12-08 16:03:51,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:51,950 INFO L480 AbstractCegarLoop]: Abstraction has 37265 states and 52275 transitions. [2018-12-08 16:03:51,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:03:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 37265 states and 52275 transitions. [2018-12-08 16:03:51,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 16:03:51,952 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:51,952 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:51,952 INFO L423 AbstractCegarLoop]: === Iteration 34 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:51,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:51,952 INFO L82 PathProgramCache]: Analyzing trace with hash -2049109290, now seen corresponding path program 9 times [2018-12-08 16:03:51,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:51,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:51,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:51,953 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:51,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:52,006 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:52,007 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:52,013 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 16:03:52,030 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-12-08 16:03:52,030 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:52,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:52,050 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:52,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-08 16:03:52,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 16:03:52,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 16:03:52,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-08 16:03:52,051 INFO L87 Difference]: Start difference. First operand 37265 states and 52275 transitions. Second operand 12 states. [2018-12-08 16:03:52,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:52,662 INFO L93 Difference]: Finished difference Result 49303 states and 70258 transitions. [2018-12-08 16:03:52,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 16:03:52,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 74 [2018-12-08 16:03:52,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:52,702 INFO L225 Difference]: With dead ends: 49303 [2018-12-08 16:03:52,703 INFO L226 Difference]: Without dead ends: 49301 [2018-12-08 16:03:52,710 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-08 16:03:52,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49301 states. [2018-12-08 16:03:53,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49301 to 42817. [2018-12-08 16:03:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42817 states. [2018-12-08 16:03:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42817 states to 42817 states and 59893 transitions. [2018-12-08 16:03:53,495 INFO L78 Accepts]: Start accepts. Automaton has 42817 states and 59893 transitions. Word has length 74 [2018-12-08 16:03:53,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:53,495 INFO L480 AbstractCegarLoop]: Abstraction has 42817 states and 59893 transitions. [2018-12-08 16:03:53,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 16:03:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 42817 states and 59893 transitions. [2018-12-08 16:03:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 16:03:53,498 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:53,498 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:53,498 INFO L423 AbstractCegarLoop]: === Iteration 35 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:53,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:53,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1528834600, now seen corresponding path program 5 times [2018-12-08 16:03:53,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:53,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:53,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:53,499 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:53,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:53,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:53,546 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:53,553 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-08 16:03:53,564 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-12-08 16:03:53,564 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:53,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:53,587 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:53,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-08 16:03:53,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:03:53,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:03:53,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:03:53,588 INFO L87 Difference]: Start difference. First operand 42817 states and 59893 transitions. Second operand 9 states. [2018-12-08 16:03:54,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:54,361 INFO L93 Difference]: Finished difference Result 59106 states and 83567 transitions. [2018-12-08 16:03:54,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 16:03:54,361 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2018-12-08 16:03:54,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:54,410 INFO L225 Difference]: With dead ends: 59106 [2018-12-08 16:03:54,411 INFO L226 Difference]: Without dead ends: 59105 [2018-12-08 16:03:54,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:03:54,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59105 states. [2018-12-08 16:03:55,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59105 to 45009. [2018-12-08 16:03:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45009 states. [2018-12-08 16:03:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45009 states to 45009 states and 62991 transitions. [2018-12-08 16:03:55,261 INFO L78 Accepts]: Start accepts. Automaton has 45009 states and 62991 transitions. Word has length 75 [2018-12-08 16:03:55,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:55,262 INFO L480 AbstractCegarLoop]: Abstraction has 45009 states and 62991 transitions. [2018-12-08 16:03:55,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:03:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand 45009 states and 62991 transitions. [2018-12-08 16:03:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 16:03:55,264 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:55,264 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:55,265 INFO L423 AbstractCegarLoop]: === Iteration 36 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:55,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:55,265 INFO L82 PathProgramCache]: Analyzing trace with hash -427799768, now seen corresponding path program 7 times [2018-12-08 16:03:55,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:55,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:55,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:55,266 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:03:55,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:55,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:55,324 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:55,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:55,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:55,344 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:55,359 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:55,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-08 16:03:55,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:03:55,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:03:55,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:03:55,360 INFO L87 Difference]: Start difference. First operand 45009 states and 62991 transitions. Second operand 10 states. [2018-12-08 16:03:56,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:56,071 INFO L93 Difference]: Finished difference Result 62469 states and 88924 transitions. [2018-12-08 16:03:56,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:03:56,072 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2018-12-08 16:03:56,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:56,124 INFO L225 Difference]: With dead ends: 62469 [2018-12-08 16:03:56,124 INFO L226 Difference]: Without dead ends: 62467 [2018-12-08 16:03:56,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:03:56,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62467 states. [2018-12-08 16:03:57,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62467 to 53493. [2018-12-08 16:03:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53493 states. [2018-12-08 16:03:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53493 states to 53493 states and 74602 transitions. [2018-12-08 16:03:57,188 INFO L78 Accepts]: Start accepts. Automaton has 53493 states and 74602 transitions. Word has length 76 [2018-12-08 16:03:57,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:57,188 INFO L480 AbstractCegarLoop]: Abstraction has 53493 states and 74602 transitions. [2018-12-08 16:03:57,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:03:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 53493 states and 74602 transitions. [2018-12-08 16:03:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 16:03:57,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:57,191 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:57,191 INFO L423 AbstractCegarLoop]: === Iteration 37 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:57,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:57,192 INFO L82 PathProgramCache]: Analyzing trace with hash 265372381, now seen corresponding path program 7 times [2018-12-08 16:03:57,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:57,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:57,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:57,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:57,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:57,235 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:57,235 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:57,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:57,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:57,286 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:57,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-08 16:03:57,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 16:03:57,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 16:03:57,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:03:57,287 INFO L87 Difference]: Start difference. First operand 53493 states and 74602 transitions. Second operand 11 states. [2018-12-08 16:03:58,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:58,144 INFO L93 Difference]: Finished difference Result 75502 states and 106384 transitions. [2018-12-08 16:03:58,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 16:03:58,145 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2018-12-08 16:03:58,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:58,209 INFO L225 Difference]: With dead ends: 75502 [2018-12-08 16:03:58,209 INFO L226 Difference]: Without dead ends: 75501 [2018-12-08 16:03:58,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:03:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75501 states. [2018-12-08 16:03:59,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75501 to 55737. [2018-12-08 16:03:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55737 states. [2018-12-08 16:03:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55737 states to 55737 states and 77782 transitions. [2018-12-08 16:03:59,461 INFO L78 Accepts]: Start accepts. Automaton has 55737 states and 77782 transitions. Word has length 77 [2018-12-08 16:03:59,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:59,461 INFO L480 AbstractCegarLoop]: Abstraction has 55737 states and 77782 transitions. [2018-12-08 16:03:59,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 16:03:59,461 INFO L276 IsEmpty]: Start isEmpty. Operand 55737 states and 77782 transitions. [2018-12-08 16:03:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-08 16:03:59,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:59,465 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:59,465 INFO L423 AbstractCegarLoop]: === Iteration 38 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:03:59,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:59,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1444546058, now seen corresponding path program 10 times [2018-12-08 16:03:59,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:03:59,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:03:59,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:59,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:59,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:59,540 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:59,540 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:03:59,545 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-08 16:03:59,558 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-08 16:03:59,558 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:03:59,559 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:03:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:59,579 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:03:59,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2018-12-08 16:03:59,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 16:03:59,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 16:03:59,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:03:59,579 INFO L87 Difference]: Start difference. First operand 55737 states and 77782 transitions. Second operand 13 states. [2018-12-08 16:04:00,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:00,427 INFO L93 Difference]: Finished difference Result 72432 states and 102654 transitions. [2018-12-08 16:04:00,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 16:04:00,427 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 81 [2018-12-08 16:04:00,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:00,488 INFO L225 Difference]: With dead ends: 72432 [2018-12-08 16:04:00,488 INFO L226 Difference]: Without dead ends: 72430 [2018-12-08 16:04:00,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:04:00,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72430 states. [2018-12-08 16:04:01,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72430 to 63455. [2018-12-08 16:04:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63455 states. [2018-12-08 16:04:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63455 states to 63455 states and 88331 transitions. [2018-12-08 16:04:01,787 INFO L78 Accepts]: Start accepts. Automaton has 63455 states and 88331 transitions. Word has length 81 [2018-12-08 16:04:01,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:01,788 INFO L480 AbstractCegarLoop]: Abstraction has 63455 states and 88331 transitions. [2018-12-08 16:04:01,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 16:04:01,788 INFO L276 IsEmpty]: Start isEmpty. Operand 63455 states and 88331 transitions. [2018-12-08 16:04:01,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 16:04:01,792 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:01,792 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:01,792 INFO L423 AbstractCegarLoop]: === Iteration 39 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:04:01,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:01,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1692281031, now seen corresponding path program 8 times [2018-12-08 16:04:01,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:04:01,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:04:01,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:01,793 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:04:01,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:01,854 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:04:01,854 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:04:01,859 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 16:04:01,870 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 16:04:01,870 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:04:01,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:04:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:01,892 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:04:01,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-08 16:04:01,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 16:04:01,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 16:04:01,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-08 16:04:01,893 INFO L87 Difference]: Start difference. First operand 63455 states and 88331 transitions. Second operand 12 states. [2018-12-08 16:04:02,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:02,890 INFO L93 Difference]: Finished difference Result 87915 states and 123650 transitions. [2018-12-08 16:04:02,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 16:04:02,890 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 85 [2018-12-08 16:04:02,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:02,967 INFO L225 Difference]: With dead ends: 87915 [2018-12-08 16:04:02,967 INFO L226 Difference]: Without dead ends: 87914 [2018-12-08 16:04:02,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-08 16:04:03,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87914 states. [2018-12-08 16:04:04,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87914 to 65699. [2018-12-08 16:04:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65699 states. [2018-12-08 16:04:04,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65699 states to 65699 states and 91511 transitions. [2018-12-08 16:04:04,491 INFO L78 Accepts]: Start accepts. Automaton has 65699 states and 91511 transitions. Word has length 85 [2018-12-08 16:04:04,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:04,491 INFO L480 AbstractCegarLoop]: Abstraction has 65699 states and 91511 transitions. [2018-12-08 16:04:04,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 16:04:04,491 INFO L276 IsEmpty]: Start isEmpty. Operand 65699 states and 91511 transitions. [2018-12-08 16:04:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 16:04:04,495 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:04,495 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:04,496 INFO L423 AbstractCegarLoop]: === Iteration 40 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:04:04,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:04,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1685753485, now seen corresponding path program 8 times [2018-12-08 16:04:04,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:04:04,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:04:04,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:04,497 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:04:04,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:04,547 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:04:04,547 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:04:04,554 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 16:04:04,564 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 16:04:04,564 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:04:04,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:04:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:04,584 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:04:04,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-08 16:04:04,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 16:04:04,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 16:04:04,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:04:04,585 INFO L87 Difference]: Start difference. First operand 65699 states and 91511 transitions. Second operand 11 states. [2018-12-08 16:04:05,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:05,633 INFO L93 Difference]: Finished difference Result 88656 states and 125565 transitions. [2018-12-08 16:04:05,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 16:04:05,633 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 85 [2018-12-08 16:04:05,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:05,717 INFO L225 Difference]: With dead ends: 88656 [2018-12-08 16:04:05,717 INFO L226 Difference]: Without dead ends: 88654 [2018-12-08 16:04:05,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:04:05,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88654 states. [2018-12-08 16:04:07,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88654 to 76293. [2018-12-08 16:04:07,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76293 states. [2018-12-08 16:04:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76293 states to 76293 states and 105928 transitions. [2018-12-08 16:04:07,373 INFO L78 Accepts]: Start accepts. Automaton has 76293 states and 105928 transitions. Word has length 85 [2018-12-08 16:04:07,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:07,373 INFO L480 AbstractCegarLoop]: Abstraction has 76293 states and 105928 transitions. [2018-12-08 16:04:07,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 16:04:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 76293 states and 105928 transitions. [2018-12-08 16:04:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 16:04:07,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:07,377 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:07,377 INFO L423 AbstractCegarLoop]: === Iteration 41 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:04:07,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:07,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1536406213, now seen corresponding path program 6 times [2018-12-08 16:04:07,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:04:07,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:04:07,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:07,378 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:04:07,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:07,417 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:07,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:04:07,418 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:04:07,423 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-08 16:04:07,435 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-12-08 16:04:07,436 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:04:07,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:04:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:07,457 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:04:07,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-08 16:04:07,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:04:07,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:04:07,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:04:07,457 INFO L87 Difference]: Start difference. First operand 76293 states and 105928 transitions. Second operand 10 states. [2018-12-08 16:04:08,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:08,718 INFO L93 Difference]: Finished difference Result 109927 states and 154225 transitions. [2018-12-08 16:04:08,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:04:08,718 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-12-08 16:04:08,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:08,824 INFO L225 Difference]: With dead ends: 109927 [2018-12-08 16:04:08,825 INFO L226 Difference]: Without dead ends: 109926 [2018-12-08 16:04:08,844 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:04:08,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109926 states. [2018-12-08 16:04:10,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109926 to 80157. [2018-12-08 16:04:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80157 states. [2018-12-08 16:04:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80157 states to 80157 states and 111367 transitions. [2018-12-08 16:04:10,757 INFO L78 Accepts]: Start accepts. Automaton has 80157 states and 111367 transitions. Word has length 85 [2018-12-08 16:04:10,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:10,757 INFO L480 AbstractCegarLoop]: Abstraction has 80157 states and 111367 transitions. [2018-12-08 16:04:10,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:04:10,757 INFO L276 IsEmpty]: Start isEmpty. Operand 80157 states and 111367 transitions. [2018-12-08 16:04:10,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 16:04:10,762 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:10,762 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:10,762 INFO L423 AbstractCegarLoop]: === Iteration 42 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:04:10,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:10,763 INFO L82 PathProgramCache]: Analyzing trace with hash -508374954, now seen corresponding path program 11 times [2018-12-08 16:04:10,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:04:10,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:04:10,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:10,763 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:04:10,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:10,826 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:10,826 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:04:10,826 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:04:10,832 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-08 16:04:10,848 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2018-12-08 16:04:10,848 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:04:10,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:04:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 16:04:10,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:04:10,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 25 [2018-12-08 16:04:10,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-08 16:04:10,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-08 16:04:10,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-12-08 16:04:10,989 INFO L87 Difference]: Start difference. First operand 80157 states and 111367 transitions. Second operand 25 states. [2018-12-08 16:04:12,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:12,321 INFO L93 Difference]: Finished difference Result 99235 states and 136781 transitions. [2018-12-08 16:04:12,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-12-08 16:04:12,322 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 88 [2018-12-08 16:04:12,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:12,322 INFO L225 Difference]: With dead ends: 99235 [2018-12-08 16:04:12,322 INFO L226 Difference]: Without dead ends: 501 [2018-12-08 16:04:12,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2402 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=2313, Invalid=5877, Unknown=0, NotChecked=0, Total=8190 [2018-12-08 16:04:12,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-12-08 16:04:12,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 310. [2018-12-08 16:04:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-12-08 16:04:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 348 transitions. [2018-12-08 16:04:12,389 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 348 transitions. Word has length 88 [2018-12-08 16:04:12,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:12,389 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 348 transitions. [2018-12-08 16:04:12,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-08 16:04:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 348 transitions. [2018-12-08 16:04:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 16:04:12,390 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:12,390 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:12,390 INFO L423 AbstractCegarLoop]: === Iteration 43 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:04:12,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:12,390 INFO L82 PathProgramCache]: Analyzing trace with hash 879701896, now seen corresponding path program 9 times [2018-12-08 16:04:12,390 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:04:12,390 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:04:12,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:12,391 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:04:12,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:12,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:04:12,438 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:04:12,444 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 16:04:12,460 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-12-08 16:04:12,460 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:04:12,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:04:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:12,485 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:04:12,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-08 16:04:12,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 16:04:12,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 16:04:12,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-08 16:04:12,486 INFO L87 Difference]: Start difference. First operand 310 states and 348 transitions. Second operand 12 states. [2018-12-08 16:04:12,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:12,507 INFO L93 Difference]: Finished difference Result 323 states and 361 transitions. [2018-12-08 16:04:12,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 16:04:12,507 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2018-12-08 16:04:12,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:12,507 INFO L225 Difference]: With dead ends: 323 [2018-12-08 16:04:12,507 INFO L226 Difference]: Without dead ends: 246 [2018-12-08 16:04:12,508 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-08 16:04:12,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-12-08 16:04:12,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 226. [2018-12-08 16:04:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-12-08 16:04:12,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 264 transitions. [2018-12-08 16:04:12,513 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 264 transitions. Word has length 94 [2018-12-08 16:04:12,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:12,513 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 264 transitions. [2018-12-08 16:04:12,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 16:04:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 264 transitions. [2018-12-08 16:04:12,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 16:04:12,514 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:12,514 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:12,514 INFO L423 AbstractCegarLoop]: === Iteration 44 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:04:12,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:12,514 INFO L82 PathProgramCache]: Analyzing trace with hash 270660750, now seen corresponding path program 7 times [2018-12-08 16:04:12,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:04:12,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:04:12,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:12,515 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:04:12,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:12,559 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:12,559 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:04:12,559 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:04:12,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:04:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:12,578 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:04:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:12,600 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:04:12,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-08 16:04:12,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 16:04:12,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 16:04:12,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:04:12,600 INFO L87 Difference]: Start difference. First operand 226 states and 264 transitions. Second operand 11 states. [2018-12-08 16:04:12,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:12,631 INFO L93 Difference]: Finished difference Result 247 states and 284 transitions. [2018-12-08 16:04:12,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 16:04:12,632 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-08 16:04:12,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:12,632 INFO L225 Difference]: With dead ends: 247 [2018-12-08 16:04:12,632 INFO L226 Difference]: Without dead ends: 106 [2018-12-08 16:04:12,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:04:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-12-08 16:04:12,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-12-08 16:04:12,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-08 16:04:12,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 105 transitions. [2018-12-08 16:04:12,634 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 105 transitions. Word has length 95 [2018-12-08 16:04:12,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:12,634 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 105 transitions. [2018-12-08 16:04:12,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 16:04:12,634 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 105 transitions. [2018-12-08 16:04:12,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 16:04:12,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:12,635 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:12,635 INFO L423 AbstractCegarLoop]: === Iteration 45 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-08 16:04:12,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:12,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1806118879, now seen corresponding path program 8 times [2018-12-08 16:04:12,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:04:12,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:04:12,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:12,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:04:12,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:12,688 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:12,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:04:12,688 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:04:12,696 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 16:04:12,710 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 16:04:12,710 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:04:12,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:04:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:12,737 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:04:12,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-08 16:04:12,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 16:04:12,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 16:04:12,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-08 16:04:12,738 INFO L87 Difference]: Start difference. First operand 106 states and 105 transitions. Second operand 12 states. [2018-12-08 16:04:12,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:12,750 INFO L93 Difference]: Finished difference Result 106 states and 105 transitions. [2018-12-08 16:04:12,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 16:04:12,750 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2018-12-08 16:04:12,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:12,750 INFO L225 Difference]: With dead ends: 106 [2018-12-08 16:04:12,750 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:04:12,751 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-08 16:04:12,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:04:12,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:04:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:04:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:04:12,751 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2018-12-08 16:04:12,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:12,751 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:04:12,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 16:04:12,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:04:12,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:04:12,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:04:13,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:13,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:14,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:15,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:15,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:15,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:15,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:16,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:16,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:20,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:21,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:21,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:23,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:23,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:24,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:24,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:24,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:24,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:25,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:25,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:25,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:25,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:25,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:28,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:28,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:32,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:32,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:33,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:37,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:37,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:37,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:40,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:40,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:42,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:43,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:46,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:04:51,278 WARN L180 SmtUtils]: Spent 38.51 s on a formula simplification. DAG size of input: 4688 DAG size of output: 2713 [2018-12-08 16:05:51,148 WARN L180 SmtUtils]: Spent 59.85 s on a formula simplification. DAG size of input: 2296 DAG size of output: 370 [2018-12-08 16:05:51,152 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 16:05:51,152 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 33) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-08 16:05:51,152 INFO L448 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-12-08 16:05:51,153 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 32) no Hoare annotation was computed. [2018-12-08 16:05:51,155 INFO L444 ceAbstractionStarter]: At program point L22-1(lines 19 33) the Hoare annotation is: (let ((.cse77 (<= 0 (+ main_~x~0 2147483648))) (.cse70 (<= 0 main_~i~0)) (.cse5 (<= main_~N~0 10)) (.cse78 (<= 0 (+ main_~y~0 2147483648)))) (let ((.cse33 (<= main_~x~0 2)) (.cse17 (<= 0 main_~x~0)) (.cse43 (<= main_~x~0 3)) (.cse1 (<= 0 (+ main_~x~0 2))) (.cse19 (and .cse77 .cse70 .cse5 .cse78)) (.cse2 (<= 0 main_~y~0))) (let ((.cse54 (<= 0 (+ main_~y~0 1))) (.cse29 (<= main_~y~0 2)) (.cse22 (<= 0 (+ main_~x~0 4))) (.cse24 (<= 0 (+ main_~y~0 2))) (.cse14 (<= main_~y~0 3)) (.cse28 (and .cse77 .cse70 .cse2 .cse5)) (.cse60 (and .cse1 .cse19)) (.cse40 (and .cse70 .cse5)) (.cse41 (<= 0 (+ main_~x~0 1))) (.cse56 (<= main_~x~0 1)) (.cse67 (and .cse43 .cse70 .cse5)) (.cse42 (<= 0 (+ main_~x~0 5))) (.cse27 (<= 0 (+ main_~x~0 3))) (.cse47 (and .cse70 .cse5 .cse17 .cse78)) (.cse10 (and .cse70 .cse33 .cse5 .cse17 .cse78)) (.cse12 (<= main_~y~0 0)) (.cse64 (and .cse77 .cse70 .cse5)) (.cse4 (<= main_~x~0 0))) (let ((.cse44 (<= 0 (+ main_~x~0 9))) (.cse53 (<= 1 main_~i~0)) (.cse38 (and .cse2 .cse64 .cse4)) (.cse66 (and .cse10 .cse12)) (.cse59 (and .cse43 .cse47)) (.cse34 (and .cse27 .cse19)) (.cse25 (<= main_~x~0 9)) (.cse65 (and .cse42 .cse4 .cse5 .cse78)) (.cse35 (and .cse70 .cse2 .cse4 .cse5 .cse17)) (.cse36 (<= main_~y~0 8)) (.cse55 (<= 0 (+ main_~y~0 7))) (.cse8 (<= main_~y~0 6)) (.cse74 (and .cse2 .cse67)) (.cse49 (and .cse70 .cse56 .cse2 .cse5)) (.cse7 (and .cse40 .cse2 .cse41)) (.cse75 (and .cse60 .cse12)) (.cse51 (and .cse14 .cse28)) (.cse58 (<= 0 (+ main_~y~0 6))) (.cse62 (and .cse77 .cse70 .cse24 .cse4 .cse5)) (.cse21 (<= 0 (+ main_~y~0 3))) (.cse3 (<= main_~y~0 7)) (.cse37 (and .cse27 .cse70 .cse2 .cse5)) (.cse16 (<= main_~y~0 1)) (.cse31 (<= 0 (+ main_~x~0 7))) (.cse11 (<= 6 main_~i~0)) (.cse69 (<= main_~x~0 8)) (.cse50 (<= main_~y~0 5)) (.cse76 (and .cse70 .cse22 .cse4 .cse5 .cse78)) (.cse57 (<= 0 (+ main_~x~0 8))) (.cse71 (and .cse77 .cse70 .cse2 .cse29 .cse4 .cse5)) (.cse48 (<= main_~x~0 6)) (.cse32 (<= 8 main_~i~0)) (.cse18 (<= main_~x~0 5)) (.cse73 (and .cse22 .cse19)) (.cse39 (<= main_~y~0 4)) (.cse45 (<= 0 (+ main_~y~0 5))) (.cse72 (<= 2 main_~i~0)) (.cse52 (<= 4 main_~i~0)) (.cse15 (and .cse1 .cse64)) (.cse68 (and .cse28 .cse14 .cse17)) (.cse26 (<= 10 main_~i~0)) (.cse9 (<= 0 (+ main_~y~0 4))) (.cse13 (<= 5 main_~i~0)) (.cse30 (and .cse77 .cse70 .cse2 .cse4 .cse5)) (.cse61 (<= 3 main_~i~0)) (.cse46 (<= main_~x~0 4)) (.cse6 (<= 7 main_~i~0)) (.cse20 (<= 0 (+ main_~x~0 6))) (.cse23 (and .cse77 .cse54 .cse70 .cse4 .cse5)) (.cse0 (<= 9 main_~i~0)) (.cse63 (<= main_~x~0 7))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5)) (and .cse6 (and .cse7 .cse8 .cse4)) (and .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse2 .cse14 .cse15 .cse4) (and .cse2 .cse11 .cse16 .cse5 .cse17 .cse18) (and .cse19 .cse0 .cse20 .cse21 .cse4 .cse12) (and .cse22 .cse13 .cse23 .cse12) (and .cse6 .cse19 .cse24 .cse17 .cse12 .cse18) (and .cse25 .cse2 .cse16 .cse5 .cse17 .cse26) (and .cse27 .cse13 .cse28 .cse29 .cse4) (and .cse27 .cse13 .cse19 .cse24 .cse4 .cse12) (and .cse30 .cse6 .cse31 .cse12) (and .cse8 .cse2 .cse32 .cse33 .cse5 .cse17) (and .cse9 .cse6 .cse34 .cse4 .cse12) (and .cse35 .cse32 .cse36) (and .cse2 .cse33 .cse5 .cse17 .cse36 .cse26) (and .cse0 .cse8 .cse37 .cse4) (and .cse6 (and .cse22 .cse14 .cse38)) (and .cse39 .cse13 .cse40 .cse2 .cse41 .cse4) (and .cse9 .cse42 .cse19 .cse0 .cse4 .cse12) (and .cse13 (and .cse43 .cse2 .cse29 .cse5) .cse17) (and .cse23 .cse26 .cse44 .cse12) (and .cse45 .cse0 .cse46 .cse47 .cse12) (and .cse6 .cse48 .cse2 .cse16 .cse5 .cse17) (and .cse49 .cse50 .cse11 .cse17) (and .cse51 .cse0 .cse20 .cse4) (and .cse22 .cse52 .cse30 .cse12) (and (<= main_~x~0 10) .cse2 .cse5 .cse17 .cse26 .cse12) (and .cse53 .cse54 .cse4 .cse5 .cse17 .cse12) (and .cse6 .cse55 .cse4 .cse5 .cse17 .cse12) (and .cse52 .cse49 .cse14 .cse17) (and .cse42 (and .cse28 .cse14 .cse4) .cse32) (and .cse30 .cse26 .cse12) (and .cse7 .cse0 .cse4 .cse36) (and (or (and .cse55 .cse32 .cse41 .cse4 .cse5) (and .cse55 .cse56 .cse32 .cse5 .cse17)) .cse12) (and .cse57 .cse30 .cse32 .cse12) (and .cse0 .cse58 .cse59 .cse12) (and .cse34 .cse0 .cse58 .cse4 .cse12) (and .cse45 .cse32 .cse59 .cse12) (and .cse9 .cse60 .cse11 .cse4 .cse12) (and .cse61 .cse21 .cse4 .cse5 .cse17 .cse12) (and .cse62 .cse6 .cse42 .cse12) (and .cse52 .cse33 .cse24 .cse5 .cse17 .cse12) (and .cse52 .cse2 .cse46 .cse5 .cse17 .cse12) (and .cse0 .cse28 .cse63 .cse29 .cse17) (and .cse9 .cse0 .cse47 .cse12 .cse18) (and .cse7 .cse4 .cse26) (and .cse13 .cse2 .cse14 .cse33 .cse5 .cse17) (and .cse27 .cse2 .cse14 .cse64 .cse11 .cse4) (and .cse13 .cse10 .cse21 .cse12) (and .cse65 .cse2 .cse50 .cse26) (and .cse30 .cse0 .cse44 .cse12) (and .cse53 .cse2 .cse4 .cse16 .cse5 .cse17) (and .cse55 .cse66 .cse0) (and .cse54 .cse43 .cse52 .cse5 .cse17 .cse12) (and .cse6 .cse46 .cse21 .cse47 .cse12) (and .cse2 .cse4 .cse16 .cse5 .cse26 .cse44) (and .cse2 .cse14 .cse67 .cse11 .cse17) (and .cse37 .cse32 .cse50 .cse4) (and .cse54 .cse32 .cse63 .cse5 .cse17 .cse12) (and .cse54 .cse33 .cse61 .cse5 .cse17 .cse12) (and .cse1 .cse19 .cse52 .cse24 .cse4 .cse12) (and .cse35 .cse0 (<= main_~y~0 9)) (and .cse0 .cse2 .cse3 .cse33 .cse5 .cse17) (and .cse13 .cse2 .cse46 .cse16 .cse5 .cse17) (and .cse9 .cse52 .cse4 .cse5 .cse17 .cse12) (and .cse68 .cse32 .cse18) (and .cse32 .cse23 .cse31 .cse12) (and .cse19 .cse48 .cse32 .cse24 .cse17 .cse12) (and (or (and .cse53 .cse56 .cse2 .cse5 .cse17) (and .cse53 .cse2 .cse41 .cse4 .cse5)) .cse12) (and .cse39 .cse28 .cse0 .cse17 .cse18) (and .cse62 .cse0 .cse31 .cse12) (and .cse43 .cse2 .cse61 .cse5 .cse17 .cse12) (and .cse54 .cse0 .cse69 .cse5 .cse17 .cse12) (and .cse52 .cse2 .cse29 .cse33 .cse5 .cse17) (and .cse70 .cse2 .cse4 .cse5 .cse17 .cse12) (and .cse71 .cse20 .cse32) (and .cse13 .cse60 .cse21 .cse4 .cse12) (and .cse45 .cse13 .cse4 .cse5 .cse17 .cse12) (and .cse49 .cse3 .cse32 .cse17) (and .cse39 .cse13 .cse49 .cse17) (and .cse0 (and (and .cse48 .cse47) .cse21) .cse12) (and .cse72 .cse2 .cse33 .cse5 .cse17 .cse12) (and .cse25 .cse54 .cse5 .cse17 .cse26 .cse12) (and .cse9 .cse32 .cse73 .cse4 .cse12) (and .cse35 .cse8 .cse11) (and .cse30 .cse42 .cse13 .cse12) (and .cse8 (and .cse22 .cse38) .cse26) (and .cse6 .cse20 .cse2 .cse4 .cse16 .cse5) (and .cse2 .cse11 (and .cse39 .cse15) .cse4) (and .cse39 .cse28 .cse48 .cse17 .cse26) (and .cse52 .cse40 .cse2 .cse14 .cse41 .cse4) (and .cse8 .cse2 .cse32 .cse15 .cse4) (and .cse9 .cse48 .cse26 .cse47 .cse12) (and .cse0 .cse49 .cse17 .cse36) (and .cse28 .cse69 .cse29 .cse17 .cse26) (and .cse6 .cse2 .cse50 .cse33 .cse5 .cse17) (and .cse11 .cse58 .cse4 .cse5 .cse17 .cse12) (and .cse66 .cse26) (and (or (and .cse6 .cse41 .cse4 .cse5) (and .cse6 .cse56 .cse5 .cse17)) .cse58 .cse12) (and .cse57 .cse0 .cse2 .cse4 .cse16 .cse5) (and .cse6 .cse49 .cse8 .cse17) (and .cse63 .cse21 .cse26 .cse47 .cse12) (and .cse43 .cse11 .cse47 .cse21 .cse12) (and .cse39 .cse6 .cse37 .cse4) (and .cse7 .cse32 .cse3 .cse4) (and .cse9 .cse6 .cse59 .cse12) (and .cse35 .cse14 .cse61) (and .cse39 .cse2 .cse33 .cse11 .cse5 .cse17) (and .cse45 .cse34 .cse32 .cse4 .cse12) (and (and .cse39 .cse28) .cse20 .cse4 .cse26) (and .cse9 .cse32 .cse46 .cse47 .cse12) (and .cse42 .cse2 .cse11 .cse4 .cse16 .cse5) (and .cse28 .cse8 .cse46 .cse17 .cse26) (and .cse13 .cse2 .cse5 .cse17 .cse12 .cse18) (and .cse2 .cse69 .cse32 .cse5 .cse17 .cse12) (and .cse34 .cse11 .cse21 .cse4 .cse12) (and .cse62 .cse20 .cse32 .cse12) (and .cse25 .cse0 .cse2 .cse5 .cse17 .cse12) (and .cse54 .cse13 .cse46 .cse5 .cse17 .cse12) (and .cse54 .cse11 .cse5 .cse17 .cse12 .cse18) (and .cse35 .cse13 .cse50) (and .cse22 .cse13 .cse2 .cse4 .cse16 .cse5) (and .cse6 .cse28 .cse29 .cse17 .cse18) (and .cse19 .cse46 .cse11 .cse24 .cse17 .cse12) (and .cse9 .cse19 .cse20 .cse4 .cse26 .cse12) (and .cse35 .cse6 .cse3) (and .cse2 .cse33 .cse61 .cse16 .cse5 .cse17) (and .cse32 .cse2 .cse63 .cse16 .cse5 .cse17) (and .cse74 .cse3 .cse17 .cse26) (and .cse0 .cse2 .cse69 .cse16 .cse5 .cse17) (and (or (and .cse41 .cse61 .cse4 .cse5) (and .cse56 .cse61 .cse5 .cse17)) .cse24 .cse12) (and .cse27 .cse52 .cse23 .cse12) (and .cse55 .cse0 .cse4 .cse75) (and .cse60 .cse32 .cse58 .cse4 .cse12) (and .cse48 .cse2 .cse11 .cse5 .cse17 .cse12) (and .cse74 .cse32 .cse50 .cse17) (and .cse72 .cse56 .cse2 .cse16 .cse5 .cse17) (and .cse72 .cse24 .cse4 .cse5 .cse17 .cse12) (and .cse28 .cse50 .cse17 .cse26 .cse18) (and .cse19 .cse21 .cse4 .cse31 .cse26 .cse12) (and .cse54 .cse6 .cse48 .cse5 .cse17 .cse12) (and (<= 0 (+ main_~y~0 9)) (or (and .cse56 .cse0 .cse5 .cse17 .cse12) (and .cse0 .cse41 .cse4 .cse5 .cse12))) (and .cse6 .cse45 .cse60 .cse4 .cse12) (and .cse30 .cse20 .cse11 .cse12) (and .cse45 .cse65 .cse26 .cse12) (and .cse39 .cse35 .cse52) (and .cse32 .cse21 .cse47 .cse12 .cse18) (and .cse55 (and .cse43 .cse47 .cse12) .cse26) (and .cse28 .cse46 .cse29 .cse11 .cse17) (and .cse2 .cse15 .cse4 .cse36 .cse26) (and .cse6 .cse22 .cse19 .cse21 .cse4 .cse12) (and .cse55 (and .cse27 .cse5 .cse12) .cse4 .cse26) (and .cse0 .cse8 .cse74 .cse17) (and .cse57 .cse0 .cse23 .cse12) (and .cse40 .cse2 .cse29 .cse41 .cse61 .cse4) (and (or (and .cse45 .cse41 .cse11 .cse4 .cse5) (and .cse45 .cse56 .cse11 .cse5 .cse17)) .cse12) (and .cse32 .cse58 .cse10 .cse12) (and .cse42 .cse19 .cse32 .cse21 .cse4 .cse12) (and .cse6 .cse2 .cse50 .cse15 .cse4) (and .cse62 .cse22 .cse11 .cse12) (and .cse49 .cse17 .cse26) (and .cse7 .cse50 .cse11 .cse4) (and .cse28 .cse0 .cse50 .cse46 .cse17) (and .cse68 .cse0 .cse48) (and .cse1 .cse23 .cse61 .cse12) (and .cse58 .cse73 .cse4 .cse26 .cse12) (and .cse43 .cse52 .cse2 .cse16 .cse5 .cse17) (and .cse4 .cse75 .cse26) (and .cse51 .cse4 .cse31 .cse26) (and (<= 0 (+ main_~y~0 8)) .cse32 .cse4 .cse5 .cse17 .cse12) (and .cse46 .cse58 .cse26 .cse47 .cse12) (and .cse71 .cse0 .cse31) (and .cse42 .cse23 .cse11 .cse12) (and .cse57 .cse62 .cse26 .cse12) (and .cse6 .cse2 .cse63 .cse5 .cse17 .cse12) (and .cse72 .cse2 .cse41 .cse4 .cse16 .cse5) (and (and .cse39 .cse2 .cse76) .cse32) (and (or (and .cse56 .cse52 .cse5 .cse17) (and .cse52 .cse41 .cse4 .cse5)) .cse21 .cse12) (and .cse1 .cse2 .cse61 .cse4 .cse16 .cse5) (and .cse27 .cse52 .cse2 .cse4 .cse16 .cse5) (and .cse3 .cse37 .cse4 .cse26) (and .cse72 .cse2 .cse29 .cse4 .cse5 .cse17) (and .cse56 .cse2 .cse29 .cse61 .cse5 .cse17) (and .cse2 .cse32 .cse4 .cse16 .cse31 .cse5) (and .cse22 .cse2 .cse64 .cse29 .cse11 .cse4) (and (and .cse69 .cse24 .cse5 .cse17) .cse26 .cse12) (and .cse0 .cse2 .cse50 .cse76) (and .cse71 .cse6 .cse42) (and .cse57 .cse26 .cse71) (and .cse48 .cse28 .cse32 .cse29 .cse17) (and .cse39 .cse28 .cse32 .cse46 .cse17) (and .cse6 (and .cse39 .cse43 .cse2 .cse47)) (and .cse43 .cse13 .cse24 .cse47 .cse12) (and .cse45 .cse26 .cse47 .cse12 .cse18) (and .cse45 .cse0 .cse73 .cse4 .cse12) (and .cse1 .cse72 .cse30 .cse12) (and .cse0 (and .cse39 .cse42 .cse5) .cse2 .cse4) (and .cse6 .cse45 .cse10 .cse12) (and (or (and .cse72 .cse54 .cse41 .cse4 .cse5) (and .cse72 .cse54 .cse56 .cse5 .cse17)) .cse12) (and .cse52 .cse2 .cse29 .cse15 .cse4) (and .cse68 .cse63 .cse26) (and .cse9 (or (and .cse13 .cse41 .cse4 .cse5) (and .cse56 .cse13 .cse5 .cse17)) .cse12) (and .cse27 .cse30 .cse61 .cse12) (and .cse6 .cse28 .cse14 .cse46 .cse17) (and .cse6 .cse20 .cse23 .cse12) (and .cse19 .cse0 .cse63 .cse24 .cse17 .cse12)))))) [2018-12-08 16:05:51,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:05:51 BoogieIcfgContainer [2018-12-08 16:05:51,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:05:51,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:05:51,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:05:51,184 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:05:51,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:03:38" (3/4) ... [2018-12-08 16:05:51,187 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:05:51,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:05:51,192 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:05:51,194 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 16:05:51,194 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 16:05:51,194 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:05:51,194 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:05:51,226 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_98ebd91e-1a54-412a-8816-e6d726500529/bin-2019/uautomizer/witness.graphml [2018-12-08 16:05:51,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:05:51,227 INFO L168 Benchmark]: Toolchain (without parser) took 132890.97 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 953.3 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-08 16:05:51,228 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:05:51,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 118.46 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:05:51,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.94 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:05:51,228 INFO L168 Benchmark]: Boogie Preprocessor took 12.29 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:05:51,228 INFO L168 Benchmark]: RCFGBuilder took 158.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:05:51,229 INFO L168 Benchmark]: TraceAbstraction took 132544.81 ms. Allocated memory was 1.1 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -959.7 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-12-08 16:05:51,229 INFO L168 Benchmark]: Witness Printer took 42.08 ms. Allocated memory is still 3.3 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:05:51,231 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 118.46 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.94 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.29 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 158.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 132544.81 ms. Allocated memory was 1.1 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -959.7 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 42.08 ms. Allocated memory is still 3.3 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 24]: 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: 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: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((9 <= i && (((0 <= x + 2 && 0 <= y) && y <= 7) && x <= 0) && N <= 10) || (7 <= i && ((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && y <= 6) && x <= 0)) || (((0 <= y + 4 && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 6 <= i) && y <= 0)) || ((((5 <= i && 0 <= y) && y <= 3) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((0 <= y && 6 <= i) && y <= 1) && N <= 10) && 0 <= x) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && 0 <= x + 6) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((0 <= x + 4 && 5 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || (((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && 0 <= x) && y <= 0) && x <= 5)) || (((((x <= 9 && 0 <= y) && y <= 1) && N <= 10) && 0 <= x) && 10 <= i)) || ((((0 <= x + 3 && 5 <= i) && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 2) && x <= 0)) || (((((0 <= x + 3 && 5 <= i) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 7) && y <= 0)) || (((((y <= 6 && 0 <= y) && 8 <= i) && x <= 2) && N <= 10) && 0 <= x)) || ((((0 <= y + 4 && 7 <= i) && 0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 8 <= i) && y <= 8)) || (((((0 <= y && x <= 2) && N <= 10) && 0 <= x) && y <= 8) && 10 <= i)) || (((9 <= i && y <= 6) && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0)) || (7 <= i && (0 <= x + 4 && y <= 3) && (0 <= y && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((y <= 4 && 5 <= i) && 0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && x <= 0)) || (((((0 <= y + 4 && 0 <= x + 5) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 0) && y <= 0)) || ((5 <= i && ((x <= 3 && 0 <= y) && y <= 2) && N <= 10) && 0 <= x)) || (((((((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 10 <= i) && 0 <= x + 9) && y <= 0)) || ((((0 <= y + 5 && 9 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((7 <= i && x <= 6) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || ((((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 5) && 6 <= i) && 0 <= x)) || ((((y <= 3 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && 0 <= x + 6) && x <= 0)) || (((0 <= x + 4 && 4 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 0)) || (((((x <= 10 && 0 <= y) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || (((((1 <= i && 0 <= y + 1) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((7 <= i && 0 <= y + 7) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((4 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x)) || ((0 <= x + 5 && ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 0) && 8 <= i)) || ((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && 9 <= i) && x <= 0) && y <= 8)) || ((((((0 <= y + 7 && 8 <= i) && 0 <= x + 1) && x <= 0) && N <= 10) || ((((0 <= y + 7 && x <= 1) && 8 <= i) && N <= 10) && 0 <= x)) && y <= 0)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 8 <= i) && y <= 0)) || (((9 <= i && 0 <= y + 6) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && 0 <= y + 6) && x <= 0) && y <= 0)) || (((0 <= y + 5 && 8 <= i) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((0 <= y + 4 && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && x <= 0) && y <= 0)) || (((((3 <= i && 0 <= y + 3) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 5) && y <= 0)) || (((((4 <= i && x <= 2) && 0 <= y + 2) && N <= 10) && 0 <= x) && y <= 0)) || (((((4 <= i && 0 <= y) && x <= 4) && N <= 10) && 0 <= x) && y <= 0)) || ((((9 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 7) && y <= 2) && 0 <= x)) || ((((0 <= y + 4 && 9 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || (((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && x <= 0) && 10 <= i)) || (((((5 <= i && 0 <= y) && y <= 3) && x <= 2) && N <= 10) && 0 <= x)) || (((((0 <= x + 3 && 0 <= y) && y <= 3) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && 6 <= i) && x <= 0)) || (((5 <= i && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || ((((((0 <= x + 5 && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 0 <= y) && y <= 5) && 10 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 9) && y <= 0)) || (((((1 <= i && 0 <= y) && x <= 0) && y <= 1) && N <= 10) && 0 <= x)) || ((0 <= y + 7 && ((((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 9 <= i)) || (((((0 <= y + 1 && x <= 3) && 4 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((7 <= i && x <= 4) && 0 <= y + 3) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= y && x <= 0) && y <= 1) && N <= 10) && 10 <= i) && 0 <= x + 9)) || ((((0 <= y && y <= 3) && (x <= 3 && 0 <= i) && N <= 10) && 6 <= i) && 0 <= x)) || ((((((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && y <= 5) && x <= 0)) || (((((0 <= y + 1 && 8 <= i) && x <= 7) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && x <= 2) && 3 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 4 <= i) && 0 <= y + 2) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 9 <= i) && y <= 9)) || (((((9 <= i && 0 <= y) && y <= 7) && x <= 2) && N <= 10) && 0 <= x)) || (((((5 <= i && 0 <= y) && x <= 4) && y <= 1) && N <= 10) && 0 <= x)) || (((((0 <= y + 4 && 4 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && 8 <= i) && x <= 5)) || (((8 <= i && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 0 <= x + 7) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 6) && 8 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || ((((((1 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) || ((((1 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) && y <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && 0 <= x) && x <= 5)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 7) && y <= 0)) || (((((x <= 3 && 0 <= y) && 3 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 9 <= i) && x <= 8) && N <= 10) && 0 <= x) && y <= 0)) || (((((4 <= i && 0 <= y) && y <= 2) && x <= 2) && N <= 10) && 0 <= x)) || (((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 0 <= x + 6) && 8 <= i)) || ((((5 <= i && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((0 <= y + 5 && 5 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 7) && 8 <= i) && 0 <= x)) || (((y <= 4 && 5 <= i) && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x)) || ((9 <= i && (x <= 6 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || (((((2 <= i && 0 <= y) && x <= 2) && N <= 10) && 0 <= x) && y <= 0)) || (((((x <= 9 && 0 <= y + 1) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || ((((0 <= y + 4 && 8 <= i) && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 6) && 6 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 0 <= x + 5) && 5 <= i) && y <= 0)) || ((y <= 6 && 0 <= x + 4 && (0 <= y && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0) && 10 <= i)) || (((((7 <= i && 0 <= x + 6) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((0 <= y && 6 <= i) && y <= 4 && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 6) && 0 <= x) && 10 <= i)) || (((((4 <= i && 0 <= i && N <= 10) && 0 <= y) && y <= 3) && 0 <= x + 1) && x <= 0)) || ((((y <= 6 && 0 <= y) && 8 <= i) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || ((((0 <= y + 4 && x <= 6) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((9 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) && y <= 8)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 8) && y <= 2) && 0 <= x) && 10 <= i)) || (((((7 <= i && 0 <= y) && y <= 5) && x <= 2) && N <= 10) && 0 <= x)) || (((((6 <= i && 0 <= y + 6) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || ((((((7 <= i && 0 <= x + 1) && x <= 0) && N <= 10) || (((7 <= i && x <= 1) && N <= 10) && 0 <= x)) && 0 <= y + 6) && y <= 0)) || (((((0 <= x + 8 && 9 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((7 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 6) && 0 <= x)) || ((((x <= 7 && 0 <= y + 3) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((x <= 3 && 6 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || (((y <= 4 && 7 <= i) && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && 8 <= i) && y <= 7) && x <= 0)) || (((0 <= y + 4 && 7 <= i) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 3) && 3 <= i)) || (((((y <= 4 && 0 <= y) && x <= 2) && 6 <= i) && N <= 10) && 0 <= x)) || ((((0 <= y + 5 && 0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && x <= 0) && y <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 6) && x <= 0) && 10 <= i)) || ((((0 <= y + 4 && 8 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 5 && 0 <= y) && 6 <= i) && x <= 0) && y <= 1) && N <= 10)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 6) && x <= 4) && 0 <= x) && 10 <= i)) || (((((5 <= i && 0 <= y) && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || (((((0 <= y && x <= 8) && 8 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x + 6) && 8 <= i) && y <= 0)) || (((((x <= 9 && 9 <= i) && 0 <= y) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 5 <= i) && x <= 4) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 6 <= i) && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 5 <= i) && y <= 5)) || (((((0 <= x + 4 && 5 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || ((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 2) && 0 <= x) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 4) && 6 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((0 <= y + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= x + 6) && x <= 0) && 10 <= i) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 7 <= i) && y <= 7)) || (((((0 <= y && x <= 2) && 3 <= i) && y <= 1) && N <= 10) && 0 <= x)) || (((((8 <= i && 0 <= y) && x <= 7) && y <= 1) && N <= 10) && 0 <= x)) || ((((0 <= y && (x <= 3 && 0 <= i) && N <= 10) && y <= 7) && 0 <= x) && 10 <= i)) || (((((9 <= i && 0 <= y) && x <= 8) && y <= 1) && N <= 10) && 0 <= x)) || ((((((0 <= x + 1 && 3 <= i) && x <= 0) && N <= 10) || (((x <= 1 && 3 <= i) && N <= 10) && 0 <= x)) && 0 <= y + 2) && y <= 0)) || (((0 <= x + 3 && 4 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || (((0 <= y + 7 && 9 <= i) && x <= 0) && (0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 6) && x <= 0) && y <= 0)) || (((((x <= 6 && 0 <= y) && 6 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((0 <= y && (x <= 3 && 0 <= i) && N <= 10) && 8 <= i) && y <= 5) && 0 <= x)) || (((((2 <= i && x <= 1) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || (((((2 <= i && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 5) && 0 <= x) && 10 <= i) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && 0 <= x + 7) && 10 <= i) && y <= 0)) || (((((0 <= y + 1 && 7 <= i) && x <= 6) && N <= 10) && 0 <= x) && y <= 0)) || (0 <= y + 9 && (((((x <= 1 && 9 <= i) && N <= 10) && 0 <= x) && y <= 0) || ((((9 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && y <= 0)))) || ((((7 <= i && 0 <= y + 5) && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 0 <= x + 6) && 6 <= i) && y <= 0)) || (((0 <= y + 5 && ((0 <= x + 5 && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 10 <= i) && y <= 0)) || ((y <= 4 && (((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 4 <= i)) || ((((8 <= i && 0 <= y + 3) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || ((0 <= y + 7 && (x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 4) && y <= 2) && 6 <= i) && 0 <= x)) || ((((0 <= y && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0) && y <= 8) && 10 <= i)) || (((((7 <= i && 0 <= x + 4) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((0 <= y + 7 && (0 <= x + 3 && N <= 10) && y <= 0) && x <= 0) && 10 <= i)) || (((9 <= i && y <= 6) && 0 <= y && (x <= 3 && 0 <= i) && N <= 10) && 0 <= x)) || (((0 <= x + 8 && 9 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && y <= 2) && 0 <= x + 1) && 3 <= i) && x <= 0)) || ((((((0 <= y + 5 && 0 <= x + 1) && 6 <= i) && x <= 0) && N <= 10) || ((((0 <= y + 5 && x <= 1) && 6 <= i) && N <= 10) && 0 <= x)) && y <= 0)) || (((8 <= i && 0 <= y + 6) && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 5 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 3) && x <= 0) && y <= 0)) || ((((7 <= i && 0 <= y) && y <= 5) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x + 4) && 6 <= i) && y <= 0)) || (((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) && 10 <= i)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && y <= 5) && 6 <= i) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && y <= 5) && x <= 4) && 0 <= x)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && 9 <= i) && x <= 6)) || (((0 <= x + 2 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 3 <= i) && y <= 0)) || ((((0 <= y + 6 && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 10 <= i) && y <= 0)) || (((((x <= 3 && 4 <= i) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || ((x <= 0 && (0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || ((((y <= 3 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0) && 0 <= x + 7) && 10 <= i)) || (((((0 <= y + 8 && 8 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((x <= 4 && 0 <= y + 6) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 7)) || (((0 <= x + 5 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 6 <= i) && y <= 0)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || (((((7 <= i && 0 <= y) && x <= 7) && N <= 10) && 0 <= x) && y <= 0)) || (((((2 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && y <= 1) && N <= 10)) || (((y <= 4 && 0 <= y) && (((0 <= i && 0 <= x + 4) && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 8 <= i)) || ((((((x <= 1 && 4 <= i) && N <= 10) && 0 <= x) || (((4 <= i && 0 <= x + 1) && x <= 0) && N <= 10)) && 0 <= y + 3) && y <= 0)) || (((((0 <= x + 2 && 0 <= y) && 3 <= i) && x <= 0) && y <= 1) && N <= 10)) || (((((0 <= x + 3 && 4 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((y <= 7 && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0) && 10 <= i)) || (((((2 <= i && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 0 <= x)) || (((((x <= 1 && 0 <= y) && y <= 2) && 3 <= i) && N <= 10) && 0 <= x)) || (((((0 <= y && 8 <= i) && x <= 0) && y <= 1) && 0 <= x + 7) && N <= 10)) || (((((0 <= x + 4 && 0 <= y) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 2) && 6 <= i) && x <= 0)) || (((((x <= 8 && 0 <= y + 2) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || (((9 <= i && 0 <= y) && y <= 5) && (((0 <= i && 0 <= x + 4) && x <= 0) && N <= 10) && 0 <= y + 2147483648)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 5)) || ((0 <= x + 8 && 10 <= i) && ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10)) || ((((x <= 6 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && y <= 2) && 0 <= x)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && x <= 4) && 0 <= x)) || (7 <= i && ((y <= 4 && x <= 3) && 0 <= y) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648)) || ((((x <= 3 && 5 <= i) && 0 <= y + 2) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((0 <= y + 5 && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || ((((0 <= y + 5 && 9 <= i) && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((0 <= x + 2 && 2 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 0)) || (((9 <= i && (y <= 4 && 0 <= x + 5) && N <= 10) && 0 <= y) && x <= 0)) || (((7 <= i && 0 <= y + 5) && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((((2 <= i && 0 <= y + 1) && 0 <= x + 1) && x <= 0) && N <= 10) || ((((2 <= i && 0 <= y + 1) && x <= 1) && N <= 10) && 0 <= x)) && y <= 0)) || ((((4 <= i && 0 <= y) && y <= 2) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && x <= 7) && 10 <= i)) || ((0 <= y + 4 && ((((5 <= i && 0 <= x + 1) && x <= 0) && N <= 10) || (((x <= 1 && 5 <= i) && N <= 10) && 0 <= x))) && y <= 0)) || (((0 <= x + 3 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 3 <= i) && y <= 0)) || ((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 4) && 0 <= x)) || (((7 <= i && 0 <= x + 6) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 7) && 0 <= y + 2) && 0 <= x) && y <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 10 error locations. SAFE Result, 132.4s OverallTime, 45 OverallIterations, 12 TraceHistogramMax, 14.5s AutomataDifference, 0.0s DeadEndRemovalTime, 98.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1320 SDtfs, 7931 SDslu, 5774 SDs, 0 SdLazy, 1770 SolverSat, 1185 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2498 GetRequests, 2167 SyntacticMatches, 0 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2405 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80157occurred in iteration=41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 15.7s AutomataMinimizationTime, 45 MinimizatonAttempts, 203067 StatesRemovedByMinimization, 42 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 1838 NumberOfFragments, 5715 HoareAnnotationTreeSize, 5 FomulaSimplifications, 604260 FormulaSimplificationTreeSizeReduction, 38.5s HoareSimplificationTime, 5 FomulaSimplificationsInter, 87620 FormulaSimplificationTreeSizeReductionInter, 59.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 4417 NumberOfCodeBlocks, 4417 NumberOfCodeBlocksAsserted, 188 NumberOfCheckSat, 4333 ConstructedInterpolants, 0 QuantifiedInterpolants, 1059983 SizeOfPredicates, 2 NumberOfNonLiveVariables, 5003 ConjunctsInSsa, 280 ConjunctsInUnsatCore, 84 InterpolantComputations, 9 PerfectInterpolantSequences, 464/12684 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...