./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 932d0be5444dce6d8d9a378b61966d0cdf64a5cb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:42:33,471 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:42:33,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:42:33,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:42:33,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:42:33,478 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:42:33,479 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:42:33,480 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:42:33,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:42:33,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:42:33,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:42:33,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:42:33,482 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:42:33,483 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:42:33,483 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:42:33,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:42:33,484 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:42:33,485 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:42:33,486 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:42:33,486 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:42:33,487 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:42:33,488 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:42:33,489 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:42:33,489 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:42:33,489 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:42:33,489 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:42:33,490 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:42:33,490 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:42:33,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:42:33,491 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:42:33,491 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:42:33,492 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:42:33,492 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:42:33,492 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:42:33,493 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:42:33,493 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:42:33,493 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-12-09 12:42:33,500 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:42:33,500 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:42:33,501 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:42:33,501 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:42:33,501 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:42:33,501 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:42:33,501 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 12:42:33,502 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:42:33,502 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:42:33,502 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:42:33,503 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:42:33,503 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:42:33,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:42:33,503 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:42:33,503 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:42:33,503 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:42:33,503 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 12:42:33,503 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:42:33,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:42:33,503 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_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932d0be5444dce6d8d9a378b61966d0cdf64a5cb [2018-12-09 12:42:33,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:42:33,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:42:33,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:42:33,530 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:42:33,530 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:42:33,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-12-09 12:42:33,564 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/data/9130a7615/5aa40e9a05464388982efbeddc42a914/FLAGa1e5d5e26 [2018-12-09 12:42:34,012 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:42:34,012 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-12-09 12:42:34,016 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/data/9130a7615/5aa40e9a05464388982efbeddc42a914/FLAGa1e5d5e26 [2018-12-09 12:42:34,025 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/data/9130a7615/5aa40e9a05464388982efbeddc42a914 [2018-12-09 12:42:34,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:42:34,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:42:34,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:42:34,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:42:34,031 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:42:34,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34, skipping insertion in model container [2018-12-09 12:42:34,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:42:34,046 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:42:34,128 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:42:34,130 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:42:34,140 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:42:34,147 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:42:34,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34 WrapperNode [2018-12-09 12:42:34,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:42:34,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:42:34,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:42:34,148 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:42:34,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:42:34,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:42:34,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:42:34,160 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:42:34,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (1/1) ... [2018-12-09 12:42:34,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:42:34,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:42:34,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:42:34,202 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:42:34,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:42:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:42:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:42:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:42:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:42:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:42:34,348 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:42:34,348 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 12:42:34,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:42:34 BoogieIcfgContainer [2018-12-09 12:42:34,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:42:34,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:42:34,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:42:34,351 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:42:34,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:42:34" (1/3) ... [2018-12-09 12:42:34,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b223535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:42:34, skipping insertion in model container [2018-12-09 12:42:34,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:34" (2/3) ... [2018-12-09 12:42:34,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b223535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:42:34, skipping insertion in model container [2018-12-09 12:42:34,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:42:34" (3/3) ... [2018-12-09 12:42:34,354 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d_true-termination_true-no-overflow.c [2018-12-09 12:42:34,362 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:42:34,368 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2018-12-09 12:42:34,382 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2018-12-09 12:42:34,406 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:42:34,406 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:42:34,406 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:42:34,406 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:42:34,406 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:42:34,406 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:42:34,406 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:42:34,407 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:42:34,407 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:42:34,419 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-12-09 12:42:34,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 12:42:34,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:34,423 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:34,425 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:34,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:34,428 INFO L82 PathProgramCache]: Analyzing trace with hash 252417093, now seen corresponding path program 1 times [2018-12-09 12:42:34,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:34,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:34,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:34,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:34,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:42:34,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:42:34,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:42:34,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:42:34,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:42:34,527 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2018-12-09 12:42:34,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:34,564 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2018-12-09 12:42:34,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:42:34,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 12:42:34,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:34,571 INFO L225 Difference]: With dead ends: 48 [2018-12-09 12:42:34,571 INFO L226 Difference]: Without dead ends: 34 [2018-12-09 12:42:34,573 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 [2018-12-09 12:42:34,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-09 12:42:34,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-12-09 12:42:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-09 12:42:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-12-09 12:42:34,595 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 7 [2018-12-09 12:42:34,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:34,595 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-12-09 12:42:34,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:42:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-12-09 12:42:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 12:42:34,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:34,595 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:34,596 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:34,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:34,596 INFO L82 PathProgramCache]: Analyzing trace with hash -765004662, now seen corresponding path program 1 times [2018-12-09 12:42:34,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:34,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:34,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:34,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:34,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:42:34,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:42:34,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:42:34,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:42:34,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:42:34,612 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 3 states. [2018-12-09 12:42:34,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:34,622 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2018-12-09 12:42:34,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:42:34,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-09 12:42:34,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:34,623 INFO L225 Difference]: With dead ends: 33 [2018-12-09 12:42:34,623 INFO L226 Difference]: Without dead ends: 32 [2018-12-09 12:42:34,624 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 [2018-12-09 12:42:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-09 12:42:34,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-09 12:42:34,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-09 12:42:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2018-12-09 12:42:34,628 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 8 [2018-12-09 12:42:34,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:34,628 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2018-12-09 12:42:34,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:42:34,628 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-12-09 12:42:34,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 12:42:34,629 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:34,629 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:34,629 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:34,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:34,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1157363318, now seen corresponding path program 1 times [2018-12-09 12:42:34,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:34,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:34,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:34,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:34,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:42:34,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:42:34,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:42:34,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:42:34,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:42:34,646 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 3 states. [2018-12-09 12:42:34,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:34,665 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2018-12-09 12:42:34,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:42:34,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-09 12:42:34,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:34,666 INFO L225 Difference]: With dead ends: 55 [2018-12-09 12:42:34,666 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 12:42:34,667 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 [2018-12-09 12:42:34,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 12:42:34,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2018-12-09 12:42:34,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-09 12:42:34,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2018-12-09 12:42:34,670 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 11 [2018-12-09 12:42:34,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:34,670 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2018-12-09 12:42:34,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:42:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2018-12-09 12:42:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 12:42:34,671 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:34,671 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:34,671 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:34,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:34,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1157326159, now seen corresponding path program 1 times [2018-12-09 12:42:34,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:34,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:34,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:34,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:34,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:42:34,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:34,691 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:34,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:34,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:34,743 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:34,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-12-09 12:42:34,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:42:34,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:42:34,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:42:34,744 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand 6 states. [2018-12-09 12:42:34,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:34,790 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2018-12-09 12:42:34,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:42:34,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-12-09 12:42:34,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:34,791 INFO L225 Difference]: With dead ends: 108 [2018-12-09 12:42:34,791 INFO L226 Difference]: Without dead ends: 107 [2018-12-09 12:42:34,791 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 [2018-12-09 12:42:34,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-09 12:42:34,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 44. [2018-12-09 12:42:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-09 12:42:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2018-12-09 12:42:34,795 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 11 [2018-12-09 12:42:34,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:34,795 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2018-12-09 12:42:34,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:42:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2018-12-09 12:42:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 12:42:34,796 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:34,796 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:34,796 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:34,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:34,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1518524433, now seen corresponding path program 1 times [2018-12-09 12:42:34,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:34,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:34,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:34,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:34,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:42:34,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:42:34,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:42:34,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:42:34,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:42:34,809 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 3 states. [2018-12-09 12:42:34,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:34,827 INFO L93 Difference]: Finished difference Result 81 states and 113 transitions. [2018-12-09 12:42:34,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:42:34,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-09 12:42:34,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:34,828 INFO L225 Difference]: With dead ends: 81 [2018-12-09 12:42:34,828 INFO L226 Difference]: Without dead ends: 79 [2018-12-09 12:42:34,828 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 [2018-12-09 12:42:34,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-09 12:42:34,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2018-12-09 12:42:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-12-09 12:42:34,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2018-12-09 12:42:34,833 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 12 [2018-12-09 12:42:34,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:34,833 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2018-12-09 12:42:34,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:42:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2018-12-09 12:42:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 12:42:34,833 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:34,833 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:34,834 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:34,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:34,834 INFO L82 PathProgramCache]: Analyzing trace with hash 170574579, now seen corresponding path program 1 times [2018-12-09 12:42:34,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:34,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:34,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:34,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:34,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:42:34,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:42:34,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:42:34,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:42:34,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:42:34,848 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand 3 states. [2018-12-09 12:42:34,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:34,866 INFO L93 Difference]: Finished difference Result 143 states and 215 transitions. [2018-12-09 12:42:34,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:42:34,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-09 12:42:34,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:34,867 INFO L225 Difference]: With dead ends: 143 [2018-12-09 12:42:34,867 INFO L226 Difference]: Without dead ends: 141 [2018-12-09 12:42:34,868 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 [2018-12-09 12:42:34,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-09 12:42:34,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2018-12-09 12:42:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-09 12:42:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 199 transitions. [2018-12-09 12:42:34,878 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 199 transitions. Word has length 13 [2018-12-09 12:42:34,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:34,878 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 199 transitions. [2018-12-09 12:42:34,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:42:34,879 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2018-12-09 12:42:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 12:42:34,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:34,879 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:34,879 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:34,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:34,879 INFO L82 PathProgramCache]: Analyzing trace with hash 992844728, now seen corresponding path program 1 times [2018-12-09 12:42:34,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:34,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:34,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:34,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:34,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:42:34,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:42:34,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:42:34,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:42:34,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:42:34,894 INFO L87 Difference]: Start difference. First operand 133 states and 199 transitions. Second operand 3 states. [2018-12-09 12:42:34,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:34,913 INFO L93 Difference]: Finished difference Result 259 states and 393 transitions. [2018-12-09 12:42:34,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:42:34,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-12-09 12:42:34,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:34,914 INFO L225 Difference]: With dead ends: 259 [2018-12-09 12:42:34,915 INFO L226 Difference]: Without dead ends: 257 [2018-12-09 12:42:34,915 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 [2018-12-09 12:42:34,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-12-09 12:42:34,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 253. [2018-12-09 12:42:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-12-09 12:42:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 381 transitions. [2018-12-09 12:42:34,930 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 381 transitions. Word has length 14 [2018-12-09 12:42:34,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:34,931 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 381 transitions. [2018-12-09 12:42:34,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:42:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 381 transitions. [2018-12-09 12:42:34,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 12:42:34,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:34,931 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:34,932 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:34,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:34,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1784292138, now seen corresponding path program 1 times [2018-12-09 12:42:34,932 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:34,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:34,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:34,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:34,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:34,950 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:34,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:34,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:34,978 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:34,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-12-09 12:42:34,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:42:34,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:42:34,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:42:34,979 INFO L87 Difference]: Start difference. First operand 253 states and 381 transitions. Second operand 4 states. [2018-12-09 12:42:35,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:35,009 INFO L93 Difference]: Finished difference Result 453 states and 692 transitions. [2018-12-09 12:42:35,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:42:35,009 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-12-09 12:42:35,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:35,010 INFO L225 Difference]: With dead ends: 453 [2018-12-09 12:42:35,011 INFO L226 Difference]: Without dead ends: 451 [2018-12-09 12:42:35,011 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 [2018-12-09 12:42:35,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-12-09 12:42:35,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 361. [2018-12-09 12:42:35,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-12-09 12:42:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 547 transitions. [2018-12-09 12:42:35,021 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 547 transitions. Word has length 18 [2018-12-09 12:42:35,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:35,021 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 547 transitions. [2018-12-09 12:42:35,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:42:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 547 transitions. [2018-12-09 12:42:35,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:42:35,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:35,021 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:35,022 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:35,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:35,022 INFO L82 PathProgramCache]: Analyzing trace with hash -457667387, now seen corresponding path program 1 times [2018-12-09 12:42:35,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:35,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:35,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:35,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:35,038 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:35,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:35,057 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:42:35,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-12-09 12:42:35,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:42:35,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:42:35,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:42:35,072 INFO L87 Difference]: Start difference. First operand 361 states and 547 transitions. Second operand 5 states. [2018-12-09 12:42:35,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:35,111 INFO L93 Difference]: Finished difference Result 614 states and 943 transitions. [2018-12-09 12:42:35,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:42:35,111 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-09 12:42:35,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:35,113 INFO L225 Difference]: With dead ends: 614 [2018-12-09 12:42:35,113 INFO L226 Difference]: Without dead ends: 612 [2018-12-09 12:42:35,113 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 [2018-12-09 12:42:35,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-12-09 12:42:35,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 468. [2018-12-09 12:42:35,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-12-09 12:42:35,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 705 transitions. [2018-12-09 12:42:35,132 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 705 transitions. Word has length 20 [2018-12-09 12:42:35,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:35,132 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 705 transitions. [2018-12-09 12:42:35,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:42:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 705 transitions. [2018-12-09 12:42:35,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 12:42:35,133 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:35,133 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:35,134 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:35,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:35,134 INFO L82 PathProgramCache]: Analyzing trace with hash -789737976, now seen corresponding path program 1 times [2018-12-09 12:42:35,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:35,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:35,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:35,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,151 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,152 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:35,152 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:35,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,190 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:35,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-12-09 12:42:35,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:42:35,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:42:35,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:42:35,191 INFO L87 Difference]: Start difference. First operand 468 states and 705 transitions. Second operand 4 states. [2018-12-09 12:42:35,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:35,234 INFO L93 Difference]: Finished difference Result 838 states and 1288 transitions. [2018-12-09 12:42:35,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:42:35,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-12-09 12:42:35,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:35,237 INFO L225 Difference]: With dead ends: 838 [2018-12-09 12:42:35,237 INFO L226 Difference]: Without dead ends: 836 [2018-12-09 12:42:35,238 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 [2018-12-09 12:42:35,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2018-12-09 12:42:35,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 672. [2018-12-09 12:42:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-12-09 12:42:35,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1011 transitions. [2018-12-09 12:42:35,265 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1011 transitions. Word has length 22 [2018-12-09 12:42:35,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:35,265 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 1011 transitions. [2018-12-09 12:42:35,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:42:35,265 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1011 transitions. [2018-12-09 12:42:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 12:42:35,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:35,266 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:35,267 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:35,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:35,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1545985083, now seen corresponding path program 1 times [2018-12-09 12:42:35,268 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:35,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:35,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:35,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:35,292 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:35,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:35,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:42:35,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-12-09 12:42:35,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:42:35,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:42:35,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:42:35,342 INFO L87 Difference]: Start difference. First operand 672 states and 1011 transitions. Second operand 5 states. [2018-12-09 12:42:35,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:35,390 INFO L93 Difference]: Finished difference Result 1143 states and 1751 transitions. [2018-12-09 12:42:35,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:42:35,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-09 12:42:35,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:35,392 INFO L225 Difference]: With dead ends: 1143 [2018-12-09 12:42:35,392 INFO L226 Difference]: Without dead ends: 1141 [2018-12-09 12:42:35,393 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 [2018-12-09 12:42:35,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2018-12-09 12:42:35,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 875. [2018-12-09 12:42:35,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2018-12-09 12:42:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1301 transitions. [2018-12-09 12:42:35,415 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1301 transitions. Word has length 24 [2018-12-09 12:42:35,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:35,415 INFO L480 AbstractCegarLoop]: Abstraction has 875 states and 1301 transitions. [2018-12-09 12:42:35,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:42:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1301 transitions. [2018-12-09 12:42:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:42:35,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:35,416 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:35,416 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:35,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:35,416 INFO L82 PathProgramCache]: Analyzing trace with hash 582614026, now seen corresponding path program 2 times [2018-12-09 12:42:35,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:35,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:35,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:35,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,435 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:35,435 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:35,441 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-09 12:42:35,448 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 12:42:35,448 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:35,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,465 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:35,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-09 12:42:35,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:42:35,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:42:35,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:42:35,466 INFO L87 Difference]: Start difference. First operand 875 states and 1301 transitions. Second operand 5 states. [2018-12-09 12:42:35,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:35,523 INFO L93 Difference]: Finished difference Result 1508 states and 2270 transitions. [2018-12-09 12:42:35,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:42:35,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-12-09 12:42:35,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:35,528 INFO L225 Difference]: With dead ends: 1508 [2018-12-09 12:42:35,528 INFO L226 Difference]: Without dead ends: 1506 [2018-12-09 12:42:35,530 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 [2018-12-09 12:42:35,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2018-12-09 12:42:35,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1197. [2018-12-09 12:42:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2018-12-09 12:42:35,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1772 transitions. [2018-12-09 12:42:35,564 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1772 transitions. Word has length 25 [2018-12-09 12:42:35,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:35,565 INFO L480 AbstractCegarLoop]: Abstraction has 1197 states and 1772 transitions. [2018-12-09 12:42:35,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:42:35,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1772 transitions. [2018-12-09 12:42:35,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 12:42:35,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:35,566 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:35,566 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:35,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:35,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1259703649, now seen corresponding path program 1 times [2018-12-09 12:42:35,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:35,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:35,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,568 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:35,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:35,591 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:35,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,634 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:35,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-09 12:42:35,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:42:35,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:42:35,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:42:35,635 INFO L87 Difference]: Start difference. First operand 1197 states and 1772 transitions. Second operand 5 states. [2018-12-09 12:42:35,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:35,714 INFO L93 Difference]: Finished difference Result 1955 states and 2906 transitions. [2018-12-09 12:42:35,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:42:35,714 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-09 12:42:35,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:35,720 INFO L225 Difference]: With dead ends: 1955 [2018-12-09 12:42:35,720 INFO L226 Difference]: Without dead ends: 1954 [2018-12-09 12:42:35,722 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 [2018-12-09 12:42:35,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2018-12-09 12:42:35,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1433. [2018-12-09 12:42:35,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2018-12-09 12:42:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 2118 transitions. [2018-12-09 12:42:35,772 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 2118 transitions. Word has length 29 [2018-12-09 12:42:35,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:35,772 INFO L480 AbstractCegarLoop]: Abstraction has 1433 states and 2118 transitions. [2018-12-09 12:42:35,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:42:35,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2118 transitions. [2018-12-09 12:42:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 12:42:35,773 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:35,773 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:35,774 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:35,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:35,774 INFO L82 PathProgramCache]: Analyzing trace with hash -886740333, now seen corresponding path program 2 times [2018-12-09 12:42:35,774 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:35,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:35,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:35,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:35,804 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:35,822 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-09 12:42:35,831 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 12:42:35,831 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:35,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,860 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:35,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-09 12:42:35,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:42:35,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:42:35,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:42:35,860 INFO L87 Difference]: Start difference. First operand 1433 states and 2118 transitions. Second operand 5 states. [2018-12-09 12:42:35,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:35,911 INFO L93 Difference]: Finished difference Result 2466 states and 3697 transitions. [2018-12-09 12:42:35,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:42:35,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-12-09 12:42:35,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:35,916 INFO L225 Difference]: With dead ends: 2466 [2018-12-09 12:42:35,916 INFO L226 Difference]: Without dead ends: 2464 [2018-12-09 12:42:35,917 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 [2018-12-09 12:42:35,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2018-12-09 12:42:35,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 1963. [2018-12-09 12:42:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1963 states. [2018-12-09 12:42:35,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 2886 transitions. [2018-12-09 12:42:35,953 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 2886 transitions. Word has length 31 [2018-12-09 12:42:35,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:35,953 INFO L480 AbstractCegarLoop]: Abstraction has 1963 states and 2886 transitions. [2018-12-09 12:42:35,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:42:35,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2886 transitions. [2018-12-09 12:42:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 12:42:35,954 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:35,954 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:35,955 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:35,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:35,955 INFO L82 PathProgramCache]: Analyzing trace with hash -716039594, now seen corresponding path program 3 times [2018-12-09 12:42:35,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:35,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:35,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,956 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:35,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:35,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:35,976 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:35,984 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 12:42:35,992 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-12-09 12:42:35,992 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:35,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:36,019 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:36,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-09 12:42:36,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:42:36,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:42:36,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:42:36,020 INFO L87 Difference]: Start difference. First operand 1963 states and 2886 transitions. Second operand 6 states. [2018-12-09 12:42:36,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:36,087 INFO L93 Difference]: Finished difference Result 3177 states and 4736 transitions. [2018-12-09 12:42:36,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:42:36,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-12-09 12:42:36,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:36,092 INFO L225 Difference]: With dead ends: 3177 [2018-12-09 12:42:36,092 INFO L226 Difference]: Without dead ends: 3175 [2018-12-09 12:42:36,093 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 [2018-12-09 12:42:36,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2018-12-09 12:42:36,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2567. [2018-12-09 12:42:36,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2567 states. [2018-12-09 12:42:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3753 transitions. [2018-12-09 12:42:36,140 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 3753 transitions. Word has length 32 [2018-12-09 12:42:36,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:36,140 INFO L480 AbstractCegarLoop]: Abstraction has 2567 states and 3753 transitions. [2018-12-09 12:42:36,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:42:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 3753 transitions. [2018-12-09 12:42:36,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 12:42:36,141 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:36,141 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:36,141 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:36,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:36,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1327564892, now seen corresponding path program 1 times [2018-12-09 12:42:36,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:36,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:36,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:36,142 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:36,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:36,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:36,158 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:36,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:36,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:36,191 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:36,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-09 12:42:36,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:42:36,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:42:36,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:42:36,193 INFO L87 Difference]: Start difference. First operand 2567 states and 3753 transitions. Second operand 5 states. [2018-12-09 12:42:36,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:36,281 INFO L93 Difference]: Finished difference Result 4186 states and 6159 transitions. [2018-12-09 12:42:36,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:42:36,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-12-09 12:42:36,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:36,288 INFO L225 Difference]: With dead ends: 4186 [2018-12-09 12:42:36,288 INFO L226 Difference]: Without dead ends: 4185 [2018-12-09 12:42:36,290 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 [2018-12-09 12:42:36,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4185 states. [2018-12-09 12:42:36,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4185 to 3075. [2018-12-09 12:42:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3075 states. [2018-12-09 12:42:36,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 3075 states and 4487 transitions. [2018-12-09 12:42:36,354 INFO L78 Accepts]: Start accepts. Automaton has 3075 states and 4487 transitions. Word has length 35 [2018-12-09 12:42:36,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:36,354 INFO L480 AbstractCegarLoop]: Abstraction has 3075 states and 4487 transitions. [2018-12-09 12:42:36,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:42:36,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 4487 transitions. [2018-12-09 12:42:36,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 12:42:36,355 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:36,355 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:36,356 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:36,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:36,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1468116811, now seen corresponding path program 2 times [2018-12-09 12:42:36,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:36,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:36,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:36,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:36,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:36,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:36,399 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:36,408 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-09 12:42:36,417 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 12:42:36,417 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:36,418 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:36,439 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:36,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-09 12:42:36,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:42:36,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:42:36,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:42:36,440 INFO L87 Difference]: Start difference. First operand 3075 states and 4487 transitions. Second operand 6 states. [2018-12-09 12:42:36,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:36,534 INFO L93 Difference]: Finished difference Result 4731 states and 6951 transitions. [2018-12-09 12:42:36,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:42:36,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-12-09 12:42:36,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:36,542 INFO L225 Difference]: With dead ends: 4731 [2018-12-09 12:42:36,542 INFO L226 Difference]: Without dead ends: 4730 [2018-12-09 12:42:36,544 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 [2018-12-09 12:42:36,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4730 states. [2018-12-09 12:42:36,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4730 to 3463. [2018-12-09 12:42:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3463 states. [2018-12-09 12:42:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 5051 transitions. [2018-12-09 12:42:36,617 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 5051 transitions. Word has length 37 [2018-12-09 12:42:36,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:36,617 INFO L480 AbstractCegarLoop]: Abstraction has 3463 states and 5051 transitions. [2018-12-09 12:42:36,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:42:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 5051 transitions. [2018-12-09 12:42:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 12:42:36,618 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:36,618 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:36,619 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:36,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:36,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1042968950, now seen corresponding path program 4 times [2018-12-09 12:42:36,619 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:36,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:36,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:36,620 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:36,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:36,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:36,667 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:36,674 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-09 12:42:36,685 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-09 12:42:36,685 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:36,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:36,708 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:36,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-09 12:42:36,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:42:36,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:42:36,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:42:36,709 INFO L87 Difference]: Start difference. First operand 3463 states and 5051 transitions. Second operand 7 states. [2018-12-09 12:42:36,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:36,835 INFO L93 Difference]: Finished difference Result 5330 states and 7888 transitions. [2018-12-09 12:42:36,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:42:36,836 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2018-12-09 12:42:36,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:36,848 INFO L225 Difference]: With dead ends: 5330 [2018-12-09 12:42:36,848 INFO L226 Difference]: Without dead ends: 5328 [2018-12-09 12:42:36,850 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 [2018-12-09 12:42:36,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2018-12-09 12:42:36,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 4381. [2018-12-09 12:42:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4381 states. [2018-12-09 12:42:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 6357 transitions. [2018-12-09 12:42:36,956 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 6357 transitions. Word has length 39 [2018-12-09 12:42:36,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:36,956 INFO L480 AbstractCegarLoop]: Abstraction has 4381 states and 6357 transitions. [2018-12-09 12:42:36,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:42:36,957 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 6357 transitions. [2018-12-09 12:42:36,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 12:42:36,957 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:36,957 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:36,958 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:36,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:36,958 INFO L82 PathProgramCache]: Analyzing trace with hash 535132776, now seen corresponding path program 3 times [2018-12-09 12:42:36,958 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:36,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:36,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:36,959 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:36,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:36,978 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:36,978 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:36,987 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 12:42:36,999 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-12-09 12:42:36,999 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:37,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:37,027 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:37,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-09 12:42:37,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:42:37,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:42:37,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:42:37,028 INFO L87 Difference]: Start difference. First operand 4381 states and 6357 transitions. Second operand 6 states. [2018-12-09 12:42:37,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:37,132 INFO L93 Difference]: Finished difference Result 7073 states and 10429 transitions. [2018-12-09 12:42:37,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:42:37,132 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-12-09 12:42:37,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:37,140 INFO L225 Difference]: With dead ends: 7073 [2018-12-09 12:42:37,140 INFO L226 Difference]: Without dead ends: 7071 [2018-12-09 12:42:37,143 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 [2018-12-09 12:42:37,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2018-12-09 12:42:37,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 5733. [2018-12-09 12:42:37,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5733 states. [2018-12-09 12:42:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5733 states to 5733 states and 8269 transitions. [2018-12-09 12:42:37,236 INFO L78 Accepts]: Start accepts. Automaton has 5733 states and 8269 transitions. Word has length 40 [2018-12-09 12:42:37,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:37,237 INFO L480 AbstractCegarLoop]: Abstraction has 5733 states and 8269 transitions. [2018-12-09 12:42:37,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:42:37,237 INFO L276 IsEmpty]: Start isEmpty. Operand 5733 states and 8269 transitions. [2018-12-09 12:42:37,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 12:42:37,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:37,238 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:37,238 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:37,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:37,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1865791691, now seen corresponding path program 3 times [2018-12-09 12:42:37,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:37,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:37,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:37,239 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:37,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:37,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:37,277 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:37,285 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 12:42:37,294 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-12-09 12:42:37,294 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:37,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:37,298 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:37,315 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:37,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-09 12:42:37,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:42:37,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:42:37,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:42:37,316 INFO L87 Difference]: Start difference. First operand 5733 states and 8269 transitions. Second operand 7 states. [2018-12-09 12:42:37,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:37,452 INFO L93 Difference]: Finished difference Result 8442 states and 12279 transitions. [2018-12-09 12:42:37,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:42:37,453 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-12-09 12:42:37,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:37,461 INFO L225 Difference]: With dead ends: 8442 [2018-12-09 12:42:37,461 INFO L226 Difference]: Without dead ends: 8441 [2018-12-09 12:42:37,465 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 [2018-12-09 12:42:37,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2018-12-09 12:42:37,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 6241. [2018-12-09 12:42:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6241 states. [2018-12-09 12:42:37,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 9003 transitions. [2018-12-09 12:42:37,566 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 9003 transitions. Word has length 45 [2018-12-09 12:42:37,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:37,566 INFO L480 AbstractCegarLoop]: Abstraction has 6241 states and 9003 transitions. [2018-12-09 12:42:37,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:42:37,566 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 9003 transitions. [2018-12-09 12:42:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 12:42:37,567 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:37,567 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:37,567 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:37,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:37,567 INFO L82 PathProgramCache]: Analyzing trace with hash 702806639, now seen corresponding path program 2 times [2018-12-09 12:42:37,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:37,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:37,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:37,568 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:37,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:37,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:37,597 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:37,606 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-09 12:42:37,615 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 12:42:37,615 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:37,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:37,619 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:37,634 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:37,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-12-09 12:42:37,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:42:37,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:42:37,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:42:37,635 INFO L87 Difference]: Start difference. First operand 6241 states and 9003 transitions. Second operand 6 states. [2018-12-09 12:42:37,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:37,765 INFO L93 Difference]: Finished difference Result 9588 states and 13947 transitions. [2018-12-09 12:42:37,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:42:37,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-12-09 12:42:37,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:37,775 INFO L225 Difference]: With dead ends: 9588 [2018-12-09 12:42:37,776 INFO L226 Difference]: Without dead ends: 9587 [2018-12-09 12:42:37,779 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 [2018-12-09 12:42:37,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9587 states. [2018-12-09 12:42:37,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9587 to 7029. [2018-12-09 12:42:37,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7029 states. [2018-12-09 12:42:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 10135 transitions. [2018-12-09 12:42:37,924 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 10135 transitions. Word has length 45 [2018-12-09 12:42:37,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:37,925 INFO L480 AbstractCegarLoop]: Abstraction has 7029 states and 10135 transitions. [2018-12-09 12:42:37,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:42:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 10135 transitions. [2018-12-09 12:42:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 12:42:37,925 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:37,925 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:37,926 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:37,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:37,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1845802966, now seen corresponding path program 5 times [2018-12-09 12:42:37,926 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:37,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:37,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:37,927 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:37,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:37,984 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:37,984 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:37,990 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-09 12:42:37,999 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-12-09 12:42:37,999 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:38,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:38,019 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:38,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-09 12:42:38,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 12:42:38,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 12:42:38,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:42:38,019 INFO L87 Difference]: Start difference. First operand 7029 states and 10135 transitions. Second operand 8 states. [2018-12-09 12:42:38,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:38,143 INFO L93 Difference]: Finished difference Result 10385 states and 15210 transitions. [2018-12-09 12:42:38,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:42:38,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-12-09 12:42:38,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:38,154 INFO L225 Difference]: With dead ends: 10385 [2018-12-09 12:42:38,154 INFO L226 Difference]: Without dead ends: 10383 [2018-12-09 12:42:38,158 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 [2018-12-09 12:42:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2018-12-09 12:42:38,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 8669. [2018-12-09 12:42:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8669 states. [2018-12-09 12:42:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8669 states to 8669 states and 12442 transitions. [2018-12-09 12:42:38,299 INFO L78 Accepts]: Start accepts. Automaton has 8669 states and 12442 transitions. Word has length 46 [2018-12-09 12:42:38,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:38,299 INFO L480 AbstractCegarLoop]: Abstraction has 8669 states and 12442 transitions. [2018-12-09 12:42:38,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 12:42:38,299 INFO L276 IsEmpty]: Start isEmpty. Operand 8669 states and 12442 transitions. [2018-12-09 12:42:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 12:42:38,301 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:38,301 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:38,301 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:38,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:38,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1310627277, now seen corresponding path program 4 times [2018-12-09 12:42:38,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:38,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:38,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:38,302 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:38,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:38,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:38,344 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:38,352 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-09 12:42:38,360 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-09 12:42:38,360 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:38,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:38,378 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:38,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-09 12:42:38,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:42:38,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:42:38,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:42:38,379 INFO L87 Difference]: Start difference. First operand 8669 states and 12442 transitions. Second operand 7 states. [2018-12-09 12:42:38,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:38,526 INFO L93 Difference]: Finished difference Result 13316 states and 19433 transitions. [2018-12-09 12:42:38,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:42:38,527 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2018-12-09 12:42:38,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:38,538 INFO L225 Difference]: With dead ends: 13316 [2018-12-09 12:42:38,538 INFO L226 Difference]: Without dead ends: 13314 [2018-12-09 12:42:38,542 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 [2018-12-09 12:42:38,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13314 states. [2018-12-09 12:42:38,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13314 to 10971. [2018-12-09 12:42:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10971 states. [2018-12-09 12:42:38,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10971 states to 10971 states and 15661 transitions. [2018-12-09 12:42:38,720 INFO L78 Accepts]: Start accepts. Automaton has 10971 states and 15661 transitions. Word has length 49 [2018-12-09 12:42:38,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:38,720 INFO L480 AbstractCegarLoop]: Abstraction has 10971 states and 15661 transitions. [2018-12-09 12:42:38,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:42:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 10971 states and 15661 transitions. [2018-12-09 12:42:38,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 12:42:38,721 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:38,721 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:38,721 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:38,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:38,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1711194378, now seen corresponding path program 6 times [2018-12-09 12:42:38,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:38,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:38,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:38,722 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:38,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:38,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:38,778 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:38,784 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-09 12:42:38,795 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-12-09 12:42:38,795 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:38,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:38,814 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:38,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-09 12:42:38,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:42:38,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:42:38,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:42:38,815 INFO L87 Difference]: Start difference. First operand 10971 states and 15661 transitions. Second operand 9 states. [2018-12-09 12:42:38,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:38,981 INFO L93 Difference]: Finished difference Result 15626 states and 22669 transitions. [2018-12-09 12:42:38,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:42:38,982 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2018-12-09 12:42:38,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:38,993 INFO L225 Difference]: With dead ends: 15626 [2018-12-09 12:42:38,993 INFO L226 Difference]: Without dead ends: 15624 [2018-12-09 12:42:38,997 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 [2018-12-09 12:42:39,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15624 states. [2018-12-09 12:42:39,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15624 to 13095. [2018-12-09 12:42:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13095 states. [2018-12-09 12:42:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13095 states to 13095 states and 18613 transitions. [2018-12-09 12:42:39,199 INFO L78 Accepts]: Start accepts. Automaton has 13095 states and 18613 transitions. Word has length 53 [2018-12-09 12:42:39,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:39,199 INFO L480 AbstractCegarLoop]: Abstraction has 13095 states and 18613 transitions. [2018-12-09 12:42:39,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:42:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 13095 states and 18613 transitions. [2018-12-09 12:42:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 12:42:39,200 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:39,200 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:39,200 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:39,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:39,200 INFO L82 PathProgramCache]: Analyzing trace with hash -434547425, now seen corresponding path program 4 times [2018-12-09 12:42:39,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:39,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:39,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:39,201 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:39,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:39,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:39,254 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:39,260 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-09 12:42:39,267 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-09 12:42:39,267 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:39,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:39,271 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:39,286 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:39,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-09 12:42:39,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 12:42:39,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 12:42:39,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:42:39,286 INFO L87 Difference]: Start difference. First operand 13095 states and 18613 transitions. Second operand 8 states. [2018-12-09 12:42:39,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:39,513 INFO L93 Difference]: Finished difference Result 19894 states and 28525 transitions. [2018-12-09 12:42:39,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:42:39,514 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-12-09 12:42:39,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:39,529 INFO L225 Difference]: With dead ends: 19894 [2018-12-09 12:42:39,529 INFO L226 Difference]: Without dead ends: 19893 [2018-12-09 12:42:39,535 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 [2018-12-09 12:42:39,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19893 states. [2018-12-09 12:42:39,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19893 to 14133. [2018-12-09 12:42:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14133 states. [2018-12-09 12:42:39,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14133 states to 14133 states and 20101 transitions. [2018-12-09 12:42:39,794 INFO L78 Accepts]: Start accepts. Automaton has 14133 states and 20101 transitions. Word has length 53 [2018-12-09 12:42:39,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:39,795 INFO L480 AbstractCegarLoop]: Abstraction has 14133 states and 20101 transitions. [2018-12-09 12:42:39,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 12:42:39,795 INFO L276 IsEmpty]: Start isEmpty. Operand 14133 states and 20101 transitions. [2018-12-09 12:42:39,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 12:42:39,796 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:39,796 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:39,797 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:39,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:39,797 INFO L82 PathProgramCache]: Analyzing trace with hash 941207746, now seen corresponding path program 3 times [2018-12-09 12:42:39,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:39,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:39,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:39,798 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:39,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:39,830 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:39,830 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:39,837 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 12:42:39,845 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-12-09 12:42:39,846 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:39,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:39,867 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:39,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-09 12:42:39,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:42:39,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:42:39,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:42:39,867 INFO L87 Difference]: Start difference. First operand 14133 states and 20101 transitions. Second operand 7 states. [2018-12-09 12:42:40,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:40,096 INFO L93 Difference]: Finished difference Result 20778 states and 29841 transitions. [2018-12-09 12:42:40,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:42:40,097 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2018-12-09 12:42:40,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:40,110 INFO L225 Difference]: With dead ends: 20778 [2018-12-09 12:42:40,110 INFO L226 Difference]: Without dead ends: 20777 [2018-12-09 12:42:40,115 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 [2018-12-09 12:42:40,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20777 states. [2018-12-09 12:42:40,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20777 to 15385. [2018-12-09 12:42:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15385 states. [2018-12-09 12:42:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15385 states to 15385 states and 21885 transitions. [2018-12-09 12:42:40,378 INFO L78 Accepts]: Start accepts. Automaton has 15385 states and 21885 transitions. Word has length 55 [2018-12-09 12:42:40,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:40,378 INFO L480 AbstractCegarLoop]: Abstraction has 15385 states and 21885 transitions. [2018-12-09 12:42:40,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:42:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 15385 states and 21885 transitions. [2018-12-09 12:42:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 12:42:40,379 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:40,379 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:40,380 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:40,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:40,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1897860808, now seen corresponding path program 5 times [2018-12-09 12:42:40,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:40,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:40,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:40,380 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:40,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:40,424 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:40,424 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:40,453 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-09 12:42:40,463 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-12-09 12:42:40,463 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:40,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:40,482 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:40,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-09 12:42:40,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 12:42:40,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 12:42:40,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:42:40,482 INFO L87 Difference]: Start difference. First operand 15385 states and 21885 transitions. Second operand 8 states. [2018-12-09 12:42:40,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:40,736 INFO L93 Difference]: Finished difference Result 22701 states and 32845 transitions. [2018-12-09 12:42:40,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:42:40,737 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-12-09 12:42:40,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:40,752 INFO L225 Difference]: With dead ends: 22701 [2018-12-09 12:42:40,752 INFO L226 Difference]: Without dead ends: 22699 [2018-12-09 12:42:40,756 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 [2018-12-09 12:42:40,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22699 states. [2018-12-09 12:42:41,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22699 to 18977. [2018-12-09 12:42:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18977 states. [2018-12-09 12:42:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18977 states to 18977 states and 26868 transitions. [2018-12-09 12:42:41,073 INFO L78 Accepts]: Start accepts. Automaton has 18977 states and 26868 transitions. Word has length 58 [2018-12-09 12:42:41,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:41,073 INFO L480 AbstractCegarLoop]: Abstraction has 18977 states and 26868 transitions. [2018-12-09 12:42:41,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 12:42:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 18977 states and 26868 transitions. [2018-12-09 12:42:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 12:42:41,075 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:41,075 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:41,076 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:41,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:41,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1695921494, now seen corresponding path program 7 times [2018-12-09 12:42:41,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:41,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:41,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:41,077 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:41,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:41,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:41,151 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:41,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:41,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:41,186 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:41,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-09 12:42:41,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:42:41,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:42:41,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:42:41,187 INFO L87 Difference]: Start difference. First operand 18977 states and 26868 transitions. Second operand 10 states. [2018-12-09 12:42:41,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:41,503 INFO L93 Difference]: Finished difference Result 26255 states and 37782 transitions. [2018-12-09 12:42:41,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:42:41,504 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-12-09 12:42:41,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:41,525 INFO L225 Difference]: With dead ends: 26255 [2018-12-09 12:42:41,526 INFO L226 Difference]: Without dead ends: 26253 [2018-12-09 12:42:41,531 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 [2018-12-09 12:42:41,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26253 states. [2018-12-09 12:42:41,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26253 to 22315. [2018-12-09 12:42:41,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22315 states. [2018-12-09 12:42:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22315 states to 22315 states and 31477 transitions. [2018-12-09 12:42:41,962 INFO L78 Accepts]: Start accepts. Automaton has 22315 states and 31477 transitions. Word has length 60 [2018-12-09 12:42:41,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:41,962 INFO L480 AbstractCegarLoop]: Abstraction has 22315 states and 31477 transitions. [2018-12-09 12:42:41,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:42:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 22315 states and 31477 transitions. [2018-12-09 12:42:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 12:42:41,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:41,964 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:41,964 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:41,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:41,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2090391817, now seen corresponding path program 5 times [2018-12-09 12:42:41,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:41,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:41,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:41,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:41,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:42,011 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:42,011 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:42,019 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-09 12:42:42,031 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-12-09 12:42:42,031 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:42,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:42,061 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:42,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-09 12:42:42,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:42:42,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:42:42,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:42:42,061 INFO L87 Difference]: Start difference. First operand 22315 states and 31477 transitions. Second operand 9 states. [2018-12-09 12:42:42,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:42,414 INFO L93 Difference]: Finished difference Result 32959 states and 46936 transitions. [2018-12-09 12:42:42,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:42:42,414 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2018-12-09 12:42:42,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:42,438 INFO L225 Difference]: With dead ends: 32959 [2018-12-09 12:42:42,438 INFO L226 Difference]: Without dead ends: 32958 [2018-12-09 12:42:42,444 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 [2018-12-09 12:42:42,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32958 states. [2018-12-09 12:42:42,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32958 to 23709. [2018-12-09 12:42:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23709 states. [2018-12-09 12:42:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23709 states to 23709 states and 33466 transitions. [2018-12-09 12:42:42,931 INFO L78 Accepts]: Start accepts. Automaton has 23709 states and 33466 transitions. Word has length 61 [2018-12-09 12:42:42,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:42,931 INFO L480 AbstractCegarLoop]: Abstraction has 23709 states and 33466 transitions. [2018-12-09 12:42:42,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:42:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 23709 states and 33466 transitions. [2018-12-09 12:42:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 12:42:42,933 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:42,933 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:42,933 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:42,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:42,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1521886379, now seen corresponding path program 4 times [2018-12-09 12:42:42,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:42,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:42,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:42,934 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:42,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:42,965 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:42,965 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:42,970 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-09 12:42:42,979 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-09 12:42:42,979 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:42,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:42,998 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:42,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-09 12:42:42,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 12:42:42,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 12:42:42,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:42:42,999 INFO L87 Difference]: Start difference. First operand 23709 states and 33466 transitions. Second operand 8 states. [2018-12-09 12:42:43,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:43,360 INFO L93 Difference]: Finished difference Result 33673 states and 48022 transitions. [2018-12-09 12:42:43,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:42:43,361 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2018-12-09 12:42:43,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:43,386 INFO L225 Difference]: With dead ends: 33673 [2018-12-09 12:42:43,386 INFO L226 Difference]: Without dead ends: 33672 [2018-12-09 12:42:43,392 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 [2018-12-09 12:42:43,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33672 states. [2018-12-09 12:42:43,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33672 to 25273. [2018-12-09 12:42:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25273 states. [2018-12-09 12:42:43,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25273 states to 25273 states and 35688 transitions. [2018-12-09 12:42:43,863 INFO L78 Accepts]: Start accepts. Automaton has 25273 states and 35688 transitions. Word has length 65 [2018-12-09 12:42:43,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:43,863 INFO L480 AbstractCegarLoop]: Abstraction has 25273 states and 35688 transitions. [2018-12-09 12:42:43,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 12:42:43,864 INFO L276 IsEmpty]: Start isEmpty. Operand 25273 states and 35688 transitions. [2018-12-09 12:42:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 12:42:43,865 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:43,865 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:43,866 INFO L423 AbstractCegarLoop]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:43,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:43,866 INFO L82 PathProgramCache]: Analyzing trace with hash -690121846, now seen corresponding path program 8 times [2018-12-09 12:42:43,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:43,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:43,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:43,867 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:43,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:43,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:43,926 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:43,933 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-09 12:42:43,943 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 12:42:43,943 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:43,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:43,962 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:43,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-09 12:42:43,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 12:42:43,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 12:42:43,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:42:43,963 INFO L87 Difference]: Start difference. First operand 25273 states and 35688 transitions. Second operand 11 states. [2018-12-09 12:42:44,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:44,467 INFO L93 Difference]: Finished difference Result 34134 states and 48972 transitions. [2018-12-09 12:42:44,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 12:42:44,468 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2018-12-09 12:42:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:44,492 INFO L225 Difference]: With dead ends: 34134 [2018-12-09 12:42:44,492 INFO L226 Difference]: Without dead ends: 34132 [2018-12-09 12:42:44,495 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 [2018-12-09 12:42:44,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34132 states. [2018-12-09 12:42:44,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34132 to 29349. [2018-12-09 12:42:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29349 states. [2018-12-09 12:42:45,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29349 states to 29349 states and 41310 transitions. [2018-12-09 12:42:45,016 INFO L78 Accepts]: Start accepts. Automaton has 29349 states and 41310 transitions. Word has length 67 [2018-12-09 12:42:45,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:45,016 INFO L480 AbstractCegarLoop]: Abstraction has 29349 states and 41310 transitions. [2018-12-09 12:42:45,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 12:42:45,016 INFO L276 IsEmpty]: Start isEmpty. Operand 29349 states and 41310 transitions. [2018-12-09 12:42:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 12:42:45,018 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:45,018 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:45,018 INFO L423 AbstractCegarLoop]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:45,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:45,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1044856365, now seen corresponding path program 6 times [2018-12-09 12:42:45,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:45,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:45,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:45,019 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:45,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:45,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:45,057 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:45,063 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-09 12:42:45,076 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-12-09 12:42:45,076 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:45,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:45,098 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:45,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-09 12:42:45,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:42:45,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:42:45,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:42:45,098 INFO L87 Difference]: Start difference. First operand 29349 states and 41310 transitions. Second operand 9 states. [2018-12-09 12:42:45,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:45,551 INFO L93 Difference]: Finished difference Result 41884 states and 59975 transitions. [2018-12-09 12:42:45,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:42:45,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2018-12-09 12:42:45,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:45,583 INFO L225 Difference]: With dead ends: 41884 [2018-12-09 12:42:45,584 INFO L226 Difference]: Without dead ends: 41882 [2018-12-09 12:42:45,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:42:45,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41882 states. [2018-12-09 12:42:46,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41882 to 35469. [2018-12-09 12:42:46,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35469 states. [2018-12-09 12:42:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35469 states to 35469 states and 49722 transitions. [2018-12-09 12:42:46,265 INFO L78 Accepts]: Start accepts. Automaton has 35469 states and 49722 transitions. Word has length 67 [2018-12-09 12:42:46,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:46,266 INFO L480 AbstractCegarLoop]: Abstraction has 35469 states and 49722 transitions. [2018-12-09 12:42:46,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:42:46,266 INFO L276 IsEmpty]: Start isEmpty. Operand 35469 states and 49722 transitions. [2018-12-09 12:42:46,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 12:42:46,268 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:46,268 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:46,268 INFO L423 AbstractCegarLoop]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:46,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:46,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1351429389, now seen corresponding path program 6 times [2018-12-09 12:42:46,268 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:46,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:46,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:46,269 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:46,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:46,334 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:46,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:46,335 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:46,340 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-09 12:42:46,352 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-12-09 12:42:46,352 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:46,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:46,372 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:46,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-09 12:42:46,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:42:46,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:42:46,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:42:46,373 INFO L87 Difference]: Start difference. First operand 35469 states and 49722 transitions. Second operand 10 states. [2018-12-09 12:42:46,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:46,915 INFO L93 Difference]: Finished difference Result 51133 states and 72401 transitions. [2018-12-09 12:42:46,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:42:46,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2018-12-09 12:42:46,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:46,958 INFO L225 Difference]: With dead ends: 51133 [2018-12-09 12:42:46,959 INFO L226 Difference]: Without dead ends: 51132 [2018-12-09 12:42:46,968 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 [2018-12-09 12:42:46,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51132 states. [2018-12-09 12:42:47,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51132 to 37265. [2018-12-09 12:42:47,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37265 states. [2018-12-09 12:42:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37265 states to 37265 states and 52275 transitions. [2018-12-09 12:42:47,809 INFO L78 Accepts]: Start accepts. Automaton has 37265 states and 52275 transitions. Word has length 69 [2018-12-09 12:42:47,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:47,809 INFO L480 AbstractCegarLoop]: Abstraction has 37265 states and 52275 transitions. [2018-12-09 12:42:47,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:42:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 37265 states and 52275 transitions. [2018-12-09 12:42:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 12:42:47,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:47,812 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:47,812 INFO L423 AbstractCegarLoop]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:47,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:47,812 INFO L82 PathProgramCache]: Analyzing trace with hash -2049109290, now seen corresponding path program 9 times [2018-12-09 12:42:47,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:47,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:47,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:47,813 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:47,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:47,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:47,860 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:47,866 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 12:42:47,878 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-12-09 12:42:47,878 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:47,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:47,884 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:47,898 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:47,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-09 12:42:47,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 12:42:47,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 12:42:47,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-09 12:42:47,899 INFO L87 Difference]: Start difference. First operand 37265 states and 52275 transitions. Second operand 12 states. [2018-12-09 12:42:48,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:48,454 INFO L93 Difference]: Finished difference Result 49303 states and 70258 transitions. [2018-12-09 12:42:48,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:42:48,455 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 74 [2018-12-09 12:42:48,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:48,496 INFO L225 Difference]: With dead ends: 49303 [2018-12-09 12:42:48,497 INFO L226 Difference]: Without dead ends: 49301 [2018-12-09 12:42:48,504 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 [2018-12-09 12:42:48,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49301 states. [2018-12-09 12:42:49,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49301 to 42817. [2018-12-09 12:42:49,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42817 states. [2018-12-09 12:42:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42817 states to 42817 states and 59893 transitions. [2018-12-09 12:42:49,288 INFO L78 Accepts]: Start accepts. Automaton has 42817 states and 59893 transitions. Word has length 74 [2018-12-09 12:42:49,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:49,288 INFO L480 AbstractCegarLoop]: Abstraction has 42817 states and 59893 transitions. [2018-12-09 12:42:49,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 12:42:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 42817 states and 59893 transitions. [2018-12-09 12:42:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 12:42:49,291 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:49,291 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:49,291 INFO L423 AbstractCegarLoop]: === Iteration 35 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:49,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:49,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1528834600, now seen corresponding path program 5 times [2018-12-09 12:42:49,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:49,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:49,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:49,292 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:49,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:49,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:49,331 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:49,337 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-09 12:42:49,349 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2018-12-09 12:42:49,349 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:49,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:49,369 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:49,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-12-09 12:42:49,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:42:49,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:42:49,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:42:49,370 INFO L87 Difference]: Start difference. First operand 42817 states and 59893 transitions. Second operand 9 states. [2018-12-09 12:42:50,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:50,031 INFO L93 Difference]: Finished difference Result 59106 states and 83567 transitions. [2018-12-09 12:42:50,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:42:50,031 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2018-12-09 12:42:50,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:50,080 INFO L225 Difference]: With dead ends: 59106 [2018-12-09 12:42:50,080 INFO L226 Difference]: Without dead ends: 59105 [2018-12-09 12:42:50,089 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 [2018-12-09 12:42:50,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59105 states. [2018-12-09 12:42:50,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59105 to 45009. [2018-12-09 12:42:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45009 states. [2018-12-09 12:42:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45009 states to 45009 states and 62991 transitions. [2018-12-09 12:42:50,937 INFO L78 Accepts]: Start accepts. Automaton has 45009 states and 62991 transitions. Word has length 75 [2018-12-09 12:42:50,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:50,937 INFO L480 AbstractCegarLoop]: Abstraction has 45009 states and 62991 transitions. [2018-12-09 12:42:50,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:42:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 45009 states and 62991 transitions. [2018-12-09 12:42:50,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 12:42:50,940 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:50,940 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:50,940 INFO L423 AbstractCegarLoop]: === Iteration 36 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:50,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:50,941 INFO L82 PathProgramCache]: Analyzing trace with hash -427799768, now seen corresponding path program 7 times [2018-12-09 12:42:50,941 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:50,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:50,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:50,941 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:50,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:50,984 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:50,984 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:50,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:51,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:51,019 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:51,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-09 12:42:51,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:42:51,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:42:51,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:42:51,019 INFO L87 Difference]: Start difference. First operand 45009 states and 62991 transitions. Second operand 10 states. [2018-12-09 12:42:51,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:51,747 INFO L93 Difference]: Finished difference Result 62469 states and 88924 transitions. [2018-12-09 12:42:51,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:42:51,748 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2018-12-09 12:42:51,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:51,808 INFO L225 Difference]: With dead ends: 62469 [2018-12-09 12:42:51,808 INFO L226 Difference]: Without dead ends: 62467 [2018-12-09 12:42:51,819 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 [2018-12-09 12:42:51,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62467 states. [2018-12-09 12:42:52,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62467 to 53493. [2018-12-09 12:42:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53493 states. [2018-12-09 12:42:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53493 states to 53493 states and 74602 transitions. [2018-12-09 12:42:52,899 INFO L78 Accepts]: Start accepts. Automaton has 53493 states and 74602 transitions. Word has length 76 [2018-12-09 12:42:52,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:52,900 INFO L480 AbstractCegarLoop]: Abstraction has 53493 states and 74602 transitions. [2018-12-09 12:42:52,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:42:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 53493 states and 74602 transitions. [2018-12-09 12:42:52,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 12:42:52,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:52,903 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:52,903 INFO L423 AbstractCegarLoop]: === Iteration 37 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:52,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:52,903 INFO L82 PathProgramCache]: Analyzing trace with hash 265372381, now seen corresponding path program 7 times [2018-12-09 12:42:52,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:52,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:52,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:52,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:52,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:52,964 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:52,964 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:52,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:52,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:53,013 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:53,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-09 12:42:53,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 12:42:53,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 12:42:53,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:42:53,014 INFO L87 Difference]: Start difference. First operand 53493 states and 74602 transitions. Second operand 11 states. [2018-12-09 12:42:53,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:53,899 INFO L93 Difference]: Finished difference Result 75502 states and 106384 transitions. [2018-12-09 12:42:53,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 12:42:53,900 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2018-12-09 12:42:53,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:53,965 INFO L225 Difference]: With dead ends: 75502 [2018-12-09 12:42:53,965 INFO L226 Difference]: Without dead ends: 75501 [2018-12-09 12:42:53,977 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 [2018-12-09 12:42:54,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75501 states. [2018-12-09 12:42:55,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75501 to 55737. [2018-12-09 12:42:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55737 states. [2018-12-09 12:42:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55737 states to 55737 states and 77782 transitions. [2018-12-09 12:42:55,179 INFO L78 Accepts]: Start accepts. Automaton has 55737 states and 77782 transitions. Word has length 77 [2018-12-09 12:42:55,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:55,179 INFO L480 AbstractCegarLoop]: Abstraction has 55737 states and 77782 transitions. [2018-12-09 12:42:55,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 12:42:55,179 INFO L276 IsEmpty]: Start isEmpty. Operand 55737 states and 77782 transitions. [2018-12-09 12:42:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-09 12:42:55,184 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:55,184 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:55,184 INFO L423 AbstractCegarLoop]: === Iteration 38 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:55,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:55,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1444546058, now seen corresponding path program 10 times [2018-12-09 12:42:55,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:55,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:55,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:55,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:42:55,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:55,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:55,240 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:55,246 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-09 12:42:55,261 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-09 12:42:55,261 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:55,262 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:55,282 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:55,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2018-12-09 12:42:55,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 12:42:55,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 12:42:55,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-12-09 12:42:55,282 INFO L87 Difference]: Start difference. First operand 55737 states and 77782 transitions. Second operand 13 states. [2018-12-09 12:42:56,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:56,130 INFO L93 Difference]: Finished difference Result 72432 states and 102654 transitions. [2018-12-09 12:42:56,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 12:42:56,131 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 81 [2018-12-09 12:42:56,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:56,193 INFO L225 Difference]: With dead ends: 72432 [2018-12-09 12:42:56,193 INFO L226 Difference]: Without dead ends: 72430 [2018-12-09 12:42:56,205 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 [2018-12-09 12:42:56,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72430 states. [2018-12-09 12:42:57,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72430 to 63455. [2018-12-09 12:42:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63455 states. [2018-12-09 12:42:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63455 states to 63455 states and 88331 transitions. [2018-12-09 12:42:57,538 INFO L78 Accepts]: Start accepts. Automaton has 63455 states and 88331 transitions. Word has length 81 [2018-12-09 12:42:57,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:42:57,538 INFO L480 AbstractCegarLoop]: Abstraction has 63455 states and 88331 transitions. [2018-12-09 12:42:57,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 12:42:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 63455 states and 88331 transitions. [2018-12-09 12:42:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 12:42:57,543 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:42:57,544 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-12-09 12:42:57,544 INFO L423 AbstractCegarLoop]: === Iteration 39 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:42:57,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:42:57,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1692281031, now seen corresponding path program 8 times [2018-12-09 12:42:57,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:42:57,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:42:57,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:57,545 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:42:57,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:42:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:42:57,661 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:57,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:42:57,661 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:42:57,667 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-09 12:42:57,679 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 12:42:57,679 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:42:57,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:42:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:42:57,700 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:42:57,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-09 12:42:57,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 12:42:57,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 12:42:57,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-09 12:42:57,701 INFO L87 Difference]: Start difference. First operand 63455 states and 88331 transitions. Second operand 12 states. [2018-12-09 12:42:58,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:42:58,662 INFO L93 Difference]: Finished difference Result 87915 states and 123650 transitions. [2018-12-09 12:42:58,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:42:58,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 85 [2018-12-09 12:42:58,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:42:58,739 INFO L225 Difference]: With dead ends: 87915 [2018-12-09 12:42:58,739 INFO L226 Difference]: Without dead ends: 87914 [2018-12-09 12:42:58,756 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 [2018-12-09 12:42:58,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87914 states. [2018-12-09 12:43:00,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87914 to 65699. [2018-12-09 12:43:00,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65699 states. [2018-12-09 12:43:00,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65699 states to 65699 states and 91511 transitions. [2018-12-09 12:43:00,129 INFO L78 Accepts]: Start accepts. Automaton has 65699 states and 91511 transitions. Word has length 85 [2018-12-09 12:43:00,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:43:00,129 INFO L480 AbstractCegarLoop]: Abstraction has 65699 states and 91511 transitions. [2018-12-09 12:43:00,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 12:43:00,129 INFO L276 IsEmpty]: Start isEmpty. Operand 65699 states and 91511 transitions. [2018-12-09 12:43:00,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 12:43:00,134 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:43:00,134 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2018-12-09 12:43:00,134 INFO L423 AbstractCegarLoop]: === Iteration 40 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:43:00,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:43:00,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1685753485, now seen corresponding path program 8 times [2018-12-09 12:43:00,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:43:00,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:43:00,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:00,136 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:43:00,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:43:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:00,186 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:43:00,186 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:43:00,192 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-09 12:43:00,202 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 12:43:00,202 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:43:00,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:43:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:00,222 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:43:00,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-09 12:43:00,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 12:43:00,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 12:43:00,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:43:00,223 INFO L87 Difference]: Start difference. First operand 65699 states and 91511 transitions. Second operand 11 states. [2018-12-09 12:43:01,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:43:01,299 INFO L93 Difference]: Finished difference Result 88656 states and 125565 transitions. [2018-12-09 12:43:01,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 12:43:01,300 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 85 [2018-12-09 12:43:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:43:01,375 INFO L225 Difference]: With dead ends: 88656 [2018-12-09 12:43:01,375 INFO L226 Difference]: Without dead ends: 88654 [2018-12-09 12:43:01,389 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 [2018-12-09 12:43:01,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88654 states. [2018-12-09 12:43:02,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88654 to 76293. [2018-12-09 12:43:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76293 states. [2018-12-09 12:43:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76293 states to 76293 states and 105928 transitions. [2018-12-09 12:43:02,899 INFO L78 Accepts]: Start accepts. Automaton has 76293 states and 105928 transitions. Word has length 85 [2018-12-09 12:43:02,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:43:02,900 INFO L480 AbstractCegarLoop]: Abstraction has 76293 states and 105928 transitions. [2018-12-09 12:43:02,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 12:43:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 76293 states and 105928 transitions. [2018-12-09 12:43:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 12:43:02,904 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:43:02,904 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1] [2018-12-09 12:43:02,904 INFO L423 AbstractCegarLoop]: === Iteration 41 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:43:02,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:43:02,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1536406213, now seen corresponding path program 6 times [2018-12-09 12:43:02,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:43:02,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:43:02,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:02,905 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:43:02,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:43:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:02,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:43:02,960 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:43:02,966 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-09 12:43:02,978 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2018-12-09 12:43:02,978 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:43:02,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:43:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:02,999 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:43:03,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-12-09 12:43:03,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:43:03,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:43:03,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:43:03,000 INFO L87 Difference]: Start difference. First operand 76293 states and 105928 transitions. Second operand 10 states. [2018-12-09 12:43:04,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:43:04,354 INFO L93 Difference]: Finished difference Result 109927 states and 154225 transitions. [2018-12-09 12:43:04,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:43:04,354 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-12-09 12:43:04,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:43:04,451 INFO L225 Difference]: With dead ends: 109927 [2018-12-09 12:43:04,451 INFO L226 Difference]: Without dead ends: 109926 [2018-12-09 12:43:04,463 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 [2018-12-09 12:43:04,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109926 states. [2018-12-09 12:43:06,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109926 to 80157. [2018-12-09 12:43:06,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80157 states. [2018-12-09 12:43:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80157 states to 80157 states and 111367 transitions. [2018-12-09 12:43:06,165 INFO L78 Accepts]: Start accepts. Automaton has 80157 states and 111367 transitions. Word has length 85 [2018-12-09 12:43:06,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:43:06,165 INFO L480 AbstractCegarLoop]: Abstraction has 80157 states and 111367 transitions. [2018-12-09 12:43:06,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:43:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 80157 states and 111367 transitions. [2018-12-09 12:43:06,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 12:43:06,169 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:43:06,169 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1, 1, 1, 1] [2018-12-09 12:43:06,170 INFO L423 AbstractCegarLoop]: === Iteration 42 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:43:06,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:43:06,170 INFO L82 PathProgramCache]: Analyzing trace with hash -508374954, now seen corresponding path program 11 times [2018-12-09 12:43:06,170 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:43:06,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:43:06,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:06,170 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:43:06,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:43:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:06,235 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:43:06,235 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:43:06,243 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-09 12:43:06,262 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2018-12-09 12:43:06,262 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:43:06,264 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:43:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 12:43:06,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:43:06,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 25 [2018-12-09 12:43:06,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-09 12:43:06,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-09 12:43:06,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-12-09 12:43:06,389 INFO L87 Difference]: Start difference. First operand 80157 states and 111367 transitions. Second operand 25 states. [2018-12-09 12:43:07,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:43:07,661 INFO L93 Difference]: Finished difference Result 99235 states and 136781 transitions. [2018-12-09 12:43:07,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-12-09 12:43:07,661 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 88 [2018-12-09 12:43:07,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:43:07,662 INFO L225 Difference]: With dead ends: 99235 [2018-12-09 12:43:07,662 INFO L226 Difference]: Without dead ends: 501 [2018-12-09 12:43:07,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2402 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=2313, Invalid=5877, Unknown=0, NotChecked=0, Total=8190 [2018-12-09 12:43:07,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-12-09 12:43:07,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 310. [2018-12-09 12:43:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-12-09 12:43:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 348 transitions. [2018-12-09 12:43:07,735 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 348 transitions. Word has length 88 [2018-12-09 12:43:07,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:43:07,735 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 348 transitions. [2018-12-09 12:43:07,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-09 12:43:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 348 transitions. [2018-12-09 12:43:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 12:43:07,736 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:43:07,736 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2018-12-09 12:43:07,736 INFO L423 AbstractCegarLoop]: === Iteration 43 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:43:07,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:43:07,736 INFO L82 PathProgramCache]: Analyzing trace with hash 879701896, now seen corresponding path program 9 times [2018-12-09 12:43:07,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:43:07,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:43:07,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:07,737 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:43:07,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:43:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:07,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:43:07,798 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:43:07,805 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 12:43:07,820 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-12-09 12:43:07,821 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:43:07,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:43:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:07,842 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:43:07,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-09 12:43:07,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 12:43:07,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 12:43:07,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-09 12:43:07,843 INFO L87 Difference]: Start difference. First operand 310 states and 348 transitions. Second operand 12 states. [2018-12-09 12:43:07,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:43:07,867 INFO L93 Difference]: Finished difference Result 323 states and 361 transitions. [2018-12-09 12:43:07,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:43:07,867 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2018-12-09 12:43:07,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:43:07,868 INFO L225 Difference]: With dead ends: 323 [2018-12-09 12:43:07,868 INFO L226 Difference]: Without dead ends: 246 [2018-12-09 12:43:07,868 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 [2018-12-09 12:43:07,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-12-09 12:43:07,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 226. [2018-12-09 12:43:07,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-12-09 12:43:07,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 264 transitions. [2018-12-09 12:43:07,873 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 264 transitions. Word has length 94 [2018-12-09 12:43:07,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:43:07,873 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 264 transitions. [2018-12-09 12:43:07,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 12:43:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 264 transitions. [2018-12-09 12:43:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 12:43:07,873 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:43:07,873 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1] [2018-12-09 12:43:07,873 INFO L423 AbstractCegarLoop]: === Iteration 44 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:43:07,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:43:07,873 INFO L82 PathProgramCache]: Analyzing trace with hash 270660750, now seen corresponding path program 7 times [2018-12-09 12:43:07,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:43:07,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:43:07,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:07,874 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:43:07,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:43:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:07,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:43:07,913 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:43:07,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:43:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:43:07,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:43:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:07,951 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:43:07,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-12-09 12:43:07,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 12:43:07,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 12:43:07,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:43:07,952 INFO L87 Difference]: Start difference. First operand 226 states and 264 transitions. Second operand 11 states. [2018-12-09 12:43:07,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:43:07,972 INFO L93 Difference]: Finished difference Result 247 states and 284 transitions. [2018-12-09 12:43:07,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 12:43:07,972 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-09 12:43:07,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:43:07,972 INFO L225 Difference]: With dead ends: 247 [2018-12-09 12:43:07,972 INFO L226 Difference]: Without dead ends: 106 [2018-12-09 12:43:07,972 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 [2018-12-09 12:43:07,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-12-09 12:43:07,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-12-09 12:43:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-09 12:43:07,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 105 transitions. [2018-12-09 12:43:07,974 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 105 transitions. Word has length 95 [2018-12-09 12:43:07,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:43:07,974 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 105 transitions. [2018-12-09 12:43:07,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 12:43:07,975 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 105 transitions. [2018-12-09 12:43:07,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 12:43:07,975 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:43:07,975 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1] [2018-12-09 12:43:07,975 INFO L423 AbstractCegarLoop]: === Iteration 45 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 12:43:07,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:43:07,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1806118879, now seen corresponding path program 8 times [2018-12-09 12:43:07,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:43:07,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:43:07,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:07,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:43:07,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:43:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:43:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:08,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:43:08,031 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/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 [2018-12-09 12:43:08,036 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-09 12:43:08,049 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 12:43:08,049 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 12:43:08,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:43:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:43:08,074 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 12:43:08,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-12-09 12:43:08,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 12:43:08,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 12:43:08,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-12-09 12:43:08,075 INFO L87 Difference]: Start difference. First operand 106 states and 105 transitions. Second operand 12 states. [2018-12-09 12:43:08,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:43:08,088 INFO L93 Difference]: Finished difference Result 106 states and 105 transitions. [2018-12-09 12:43:08,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:43:08,088 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2018-12-09 12:43:08,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:43:08,088 INFO L225 Difference]: With dead ends: 106 [2018-12-09 12:43:08,088 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:43:08,089 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 [2018-12-09 12:43:08,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:43:08,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:43:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:43:08,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:43:08,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2018-12-09 12:43:08,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:43:08,089 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:43:08,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 12:43:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:43:08,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:43:08,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:43:08,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:08,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:08,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:08,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:08,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:08,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:08,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:08,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:08,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:09,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:10,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:10,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:10,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:10,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:10,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:10,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:10,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:11,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:11,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:12,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:15,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:16,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:17,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:18,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:18,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:19,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:19,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:19,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:19,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:20,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:20,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:20,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:21,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:21,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:23,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:24,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:27,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:27,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:28,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:32,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:32,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:33,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:35,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:36,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:37,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:38,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:41,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:43:46,302 WARN L180 SmtUtils]: Spent 38.20 s on a formula simplification. DAG size of input: 4688 DAG size of output: 2713 [2018-12-09 12:44:47,758 WARN L180 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 2296 DAG size of output: 370 [2018-12-09 12:44:47,761 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 12:44:47,761 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:44:47,762 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:44:47,762 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 12:44:47,762 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:44:47,762 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:44:47,762 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-12-09 12:44:47,762 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-12-09 12:44:47,762 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-12-09 12:44:47,762 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2018-12-09 12:44:47,762 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 33) no Hoare annotation was computed. [2018-12-09 12:44:47,762 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-12-09 12:44:47,762 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-12-09 12:44:47,762 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-09 12:44:47,763 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-12-09 12:44:47,763 INFO L448 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-12-09 12:44:47,764 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-12-09 12:44:47,764 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2018-12-09 12:44:47,764 INFO L448 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-12-09 12:44:47,764 INFO L448 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-12-09 12:44:47,764 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 32) no Hoare annotation was computed. [2018-12-09 12:44:47,766 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)))))) [2018-12-09 12:44:47,766 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-12-09 12:44:47,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:44:47 BoogieIcfgContainer [2018-12-09 12:44:47,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:44:47,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:44:47,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:44:47,799 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:44:47,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:42:34" (3/4) ... [2018-12-09 12:44:47,803 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:44:47,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:44:47,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:44:47,810 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 12:44:47,810 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 12:44:47,810 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:44:47,811 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:44:47,842 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4126b238-9747-4856-a9c3-52a19635b8ac/bin-2019/uautomizer/witness.graphml [2018-12-09 12:44:47,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:44:47,843 INFO L168 Benchmark]: Toolchain (without parser) took 133815.54 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 957.1 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 992.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:44:47,843 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:44:47,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 119.38 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:44:47,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.02 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:44:47,844 INFO L168 Benchmark]: Boogie Preprocessor took 40.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:44:47,844 INFO L168 Benchmark]: RCFGBuilder took 146.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:44:47,844 INFO L168 Benchmark]: TraceAbstraction took 133450.19 ms. Allocated memory was 1.2 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 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-09 12:44:47,845 INFO L168 Benchmark]: Witness Printer took 43.38 ms. Allocated memory is still 3.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:44:47,846 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 119.38 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.02 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 146.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 133450.19 ms. Allocated memory was 1.2 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 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 43.38 ms. Allocated memory is still 3.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((9 <= i && (((0 <= x + 2 && 0 <= y) && y <= 7) && x <= 0) && N <= 10) || (7 <= i && ((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && y <= 6) && x <= 0)) || (((0 <= y + 4 && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 6 <= i) && y <= 0)) || ((((5 <= i && 0 <= y) && y <= 3) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((0 <= y && 6 <= i) && y <= 1) && N <= 10) && 0 <= x) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && 0 <= x + 6) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((0 <= x + 4 && 5 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || (((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && 0 <= x) && y <= 0) && x <= 5)) || (((((x <= 9 && 0 <= y) && y <= 1) && N <= 10) && 0 <= x) && 10 <= i)) || ((((0 <= x + 3 && 5 <= i) && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 2) && x <= 0)) || (((((0 <= x + 3 && 5 <= i) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 2) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 7) && y <= 0)) || (((((y <= 6 && 0 <= y) && 8 <= i) && x <= 2) && N <= 10) && 0 <= x)) || ((((0 <= y + 4 && 7 <= i) && 0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 8 <= i) && y <= 8)) || (((((0 <= y && x <= 2) && N <= 10) && 0 <= x) && y <= 8) && 10 <= i)) || (((9 <= i && y <= 6) && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0)) || (7 <= i && (0 <= x + 4 && y <= 3) && (0 <= y && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((y <= 4 && 5 <= i) && 0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && x <= 0)) || (((((0 <= y + 4 && 0 <= x + 5) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 0) && y <= 0)) || ((5 <= i && ((x <= 3 && 0 <= y) && y <= 2) && N <= 10) && 0 <= x)) || (((((((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 10 <= i) && 0 <= x + 9) && y <= 0)) || ((((0 <= y + 5 && 9 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((7 <= i && x <= 6) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || ((((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 5) && 6 <= i) && 0 <= x)) || ((((y <= 3 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && 0 <= x + 6) && x <= 0)) || (((0 <= x + 4 && 4 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 0)) || (((((x <= 10 && 0 <= y) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || (((((1 <= i && 0 <= y + 1) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((7 <= i && 0 <= y + 7) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((4 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x)) || ((0 <= x + 5 && ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 0) && 8 <= i)) || ((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && 9 <= i) && x <= 0) && y <= 8)) || ((((((0 <= y + 7 && 8 <= i) && 0 <= x + 1) && x <= 0) && N <= 10) || ((((0 <= y + 7 && x <= 1) && 8 <= i) && N <= 10) && 0 <= x)) && y <= 0)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 8 <= i) && y <= 0)) || (((9 <= i && 0 <= y + 6) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && 0 <= y + 6) && x <= 0) && y <= 0)) || (((0 <= y + 5 && 8 <= i) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((0 <= y + 4 && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && x <= 0) && y <= 0)) || (((((3 <= i && 0 <= y + 3) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 5) && y <= 0)) || (((((4 <= i && x <= 2) && 0 <= y + 2) && N <= 10) && 0 <= x) && y <= 0)) || (((((4 <= i && 0 <= y) && x <= 4) && N <= 10) && 0 <= x) && y <= 0)) || ((((9 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 7) && y <= 2) && 0 <= x)) || ((((0 <= y + 4 && 9 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || (((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && x <= 0) && 10 <= i)) || (((((5 <= i && 0 <= y) && y <= 3) && x <= 2) && N <= 10) && 0 <= x)) || (((((0 <= x + 3 && 0 <= y) && y <= 3) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && 6 <= i) && x <= 0)) || (((5 <= i && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || ((((((0 <= x + 5 && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 0 <= y) && y <= 5) && 10 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 9) && y <= 0)) || (((((1 <= i && 0 <= y) && x <= 0) && y <= 1) && N <= 10) && 0 <= x)) || ((0 <= y + 7 && ((((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 9 <= i)) || (((((0 <= y + 1 && x <= 3) && 4 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((7 <= i && x <= 4) && 0 <= y + 3) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= y && x <= 0) && y <= 1) && N <= 10) && 10 <= i) && 0 <= x + 9)) || ((((0 <= y && y <= 3) && (x <= 3 && 0 <= i) && N <= 10) && 6 <= i) && 0 <= x)) || ((((((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && y <= 5) && x <= 0)) || (((((0 <= y + 1 && 8 <= i) && x <= 7) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && x <= 2) && 3 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 4 <= i) && 0 <= y + 2) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 9 <= i) && y <= 9)) || (((((9 <= i && 0 <= y) && y <= 7) && x <= 2) && N <= 10) && 0 <= x)) || (((((5 <= i && 0 <= y) && x <= 4) && y <= 1) && N <= 10) && 0 <= x)) || (((((0 <= y + 4 && 4 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && 8 <= i) && x <= 5)) || (((8 <= i && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 0 <= x + 7) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 6) && 8 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || ((((((1 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) || ((((1 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && N <= 10)) && y <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && 0 <= x) && x <= 5)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 7) && y <= 0)) || (((((x <= 3 && 0 <= y) && 3 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 9 <= i) && x <= 8) && N <= 10) && 0 <= x) && y <= 0)) || (((((4 <= i && 0 <= y) && y <= 2) && x <= 2) && N <= 10) && 0 <= x)) || (((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 0 <= x + 6) && 8 <= i)) || ((((5 <= i && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((0 <= y + 5 && 5 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 7) && 8 <= i) && 0 <= x)) || (((y <= 4 && 5 <= i) && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x)) || ((9 <= i && (x <= 6 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || (((((2 <= i && 0 <= y) && x <= 2) && N <= 10) && 0 <= x) && y <= 0)) || (((((x <= 9 && 0 <= y + 1) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || ((((0 <= y + 4 && 8 <= i) && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 6) && 6 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 0 <= x + 5) && 5 <= i) && y <= 0)) || ((y <= 6 && 0 <= x + 4 && (0 <= y && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0) && 10 <= i)) || (((((7 <= i && 0 <= x + 6) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((0 <= y && 6 <= i) && y <= 4 && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 6) && 0 <= x) && 10 <= i)) || (((((4 <= i && 0 <= i && N <= 10) && 0 <= y) && y <= 3) && 0 <= x + 1) && x <= 0)) || ((((y <= 6 && 0 <= y) && 8 <= i) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || ((((0 <= y + 4 && x <= 6) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((9 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) && y <= 8)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 8) && y <= 2) && 0 <= x) && 10 <= i)) || (((((7 <= i && 0 <= y) && y <= 5) && x <= 2) && N <= 10) && 0 <= x)) || (((((6 <= i && 0 <= y + 6) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || ((((((7 <= i && 0 <= x + 1) && x <= 0) && N <= 10) || (((7 <= i && x <= 1) && N <= 10) && 0 <= x)) && 0 <= y + 6) && y <= 0)) || (((((0 <= x + 8 && 9 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((7 <= i && ((0 <= i && x <= 1) && 0 <= y) && N <= 10) && y <= 6) && 0 <= x)) || ((((x <= 7 && 0 <= y + 3) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((x <= 3 && 6 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && 0 <= y + 3) && y <= 0)) || (((y <= 4 && 7 <= i) && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && 8 <= i) && y <= 7) && x <= 0)) || (((0 <= y + 4 && 7 <= i) && x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && y <= 3) && 3 <= i)) || (((((y <= 4 && 0 <= y) && x <= 2) && 6 <= i) && N <= 10) && 0 <= x)) || ((((0 <= y + 5 && 0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && x <= 0) && y <= 0)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 0 <= x + 6) && x <= 0) && 10 <= i)) || ((((0 <= y + 4 && 8 <= i) && x <= 4) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 5 && 0 <= y) && 6 <= i) && x <= 0) && y <= 1) && N <= 10)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 6) && x <= 4) && 0 <= x) && 10 <= i)) || (((((5 <= i && 0 <= y) && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || (((((0 <= y && x <= 8) && 8 <= i) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= x + 3 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 6 <= i) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x + 6) && 8 <= i) && y <= 0)) || (((((x <= 9 && 9 <= i) && 0 <= y) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 5 <= i) && x <= 4) && N <= 10) && 0 <= x) && y <= 0)) || (((((0 <= y + 1 && 6 <= i) && N <= 10) && 0 <= x) && y <= 0) && x <= 5)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 5 <= i) && y <= 5)) || (((((0 <= x + 4 && 5 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || ((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 2) && 0 <= x) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 4) && 6 <= i) && 0 <= y + 2) && 0 <= x) && y <= 0)) || (((((0 <= y + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= x + 6) && x <= 0) && 10 <= i) && y <= 0)) || ((((((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 7 <= i) && y <= 7)) || (((((0 <= y && x <= 2) && 3 <= i) && y <= 1) && N <= 10) && 0 <= x)) || (((((8 <= i && 0 <= y) && x <= 7) && y <= 1) && N <= 10) && 0 <= x)) || ((((0 <= y && (x <= 3 && 0 <= i) && N <= 10) && y <= 7) && 0 <= x) && 10 <= i)) || (((((9 <= i && 0 <= y) && x <= 8) && y <= 1) && N <= 10) && 0 <= x)) || ((((((0 <= x + 1 && 3 <= i) && x <= 0) && N <= 10) || (((x <= 1 && 3 <= i) && N <= 10) && 0 <= x)) && 0 <= y + 2) && y <= 0)) || (((0 <= x + 3 && 4 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || (((0 <= y + 7 && 9 <= i) && x <= 0) && (0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 6) && x <= 0) && y <= 0)) || (((((x <= 6 && 0 <= y) && 6 <= i) && N <= 10) && 0 <= x) && y <= 0)) || ((((0 <= y && (x <= 3 && 0 <= i) && N <= 10) && 8 <= i) && y <= 5) && 0 <= x)) || (((((2 <= i && x <= 1) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || (((((2 <= i && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 5) && 0 <= x) && 10 <= i) && x <= 5)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && 0 <= x + 7) && 10 <= i) && y <= 0)) || (((((0 <= y + 1 && 7 <= i) && x <= 6) && N <= 10) && 0 <= x) && y <= 0)) || (0 <= y + 9 && (((((x <= 1 && 9 <= i) && N <= 10) && 0 <= x) && y <= 0) || ((((9 <= i && 0 <= x + 1) && x <= 0) && N <= 10) && y <= 0)))) || ((((7 <= i && 0 <= y + 5) && 0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 0 <= x + 6) && 6 <= i) && y <= 0)) || (((0 <= y + 5 && ((0 <= x + 5 && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 10 <= i) && y <= 0)) || ((y <= 4 && (((0 <= i && 0 <= y) && x <= 0) && N <= 10) && 0 <= x) && 4 <= i)) || ((((8 <= i && 0 <= y + 3) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || ((0 <= y + 7 && (x <= 3 && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 4) && y <= 2) && 6 <= i) && 0 <= x)) || ((((0 <= y && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0) && y <= 8) && 10 <= i)) || (((((7 <= i && 0 <= x + 4) && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 0 <= y + 3) && x <= 0) && y <= 0)) || (((0 <= y + 7 && (0 <= x + 3 && N <= 10) && y <= 0) && x <= 0) && 10 <= i)) || (((9 <= i && y <= 6) && 0 <= y && (x <= 3 && 0 <= i) && N <= 10) && 0 <= x)) || (((0 <= x + 8 && 9 <= i) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || ((((((0 <= i && N <= 10) && 0 <= y) && y <= 2) && 0 <= x + 1) && 3 <= i) && x <= 0)) || ((((((0 <= y + 5 && 0 <= x + 1) && 6 <= i) && x <= 0) && N <= 10) || ((((0 <= y + 5 && x <= 1) && 6 <= i) && N <= 10) && 0 <= x)) && y <= 0)) || (((8 <= i && 0 <= y + 6) && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((0 <= x + 5 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 8 <= i) && 0 <= y + 3) && x <= 0) && y <= 0)) || ((((7 <= i && 0 <= y) && y <= 5) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 0 <= x + 4) && 6 <= i) && y <= 0)) || (((((0 <= i && x <= 1) && 0 <= y) && N <= 10) && 0 <= x) && 10 <= i)) || ((((((0 <= i && N <= 10) && 0 <= y) && 0 <= x + 1) && y <= 5) && 6 <= i) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 9 <= i) && y <= 5) && x <= 4) && 0 <= x)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && 9 <= i) && x <= 6)) || (((0 <= x + 2 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 3 <= i) && y <= 0)) || ((((0 <= y + 6 && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && 10 <= i) && y <= 0)) || (((((x <= 3 && 4 <= i) && 0 <= y) && y <= 1) && N <= 10) && 0 <= x)) || ((x <= 0 && (0 <= x + 2 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && y <= 0) && 10 <= i)) || ((((y <= 3 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0) && 0 <= x + 7) && 10 <= i)) || (((((0 <= y + 8 && 8 <= i) && x <= 0) && N <= 10) && 0 <= x) && y <= 0)) || ((((x <= 4 && 0 <= y + 6) && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 9 <= i) && 0 <= x + 7)) || (((0 <= x + 5 && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && 6 <= i) && y <= 0)) || (((0 <= x + 8 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y + 2) && x <= 0) && N <= 10) && 10 <= i) && y <= 0)) || (((((7 <= i && 0 <= y) && x <= 7) && N <= 10) && 0 <= x) && y <= 0)) || (((((2 <= i && 0 <= y) && 0 <= x + 1) && x <= 0) && y <= 1) && N <= 10)) || (((y <= 4 && 0 <= y) && (((0 <= i && 0 <= x + 4) && x <= 0) && N <= 10) && 0 <= y + 2147483648) && 8 <= i)) || ((((((x <= 1 && 4 <= i) && N <= 10) && 0 <= x) || (((4 <= i && 0 <= x + 1) && x <= 0) && N <= 10)) && 0 <= y + 3) && y <= 0)) || (((((0 <= x + 2 && 0 <= y) && 3 <= i) && x <= 0) && y <= 1) && N <= 10)) || (((((0 <= x + 3 && 4 <= i) && 0 <= y) && x <= 0) && y <= 1) && N <= 10)) || (((y <= 7 && ((0 <= x + 3 && 0 <= i) && 0 <= y) && N <= 10) && x <= 0) && 10 <= i)) || (((((2 <= i && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 0 <= x)) || (((((x <= 1 && 0 <= y) && y <= 2) && 3 <= i) && N <= 10) && 0 <= x)) || (((((0 <= y && 8 <= i) && x <= 0) && y <= 1) && 0 <= x + 7) && N <= 10)) || (((((0 <= x + 4 && 0 <= y) && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && y <= 2) && 6 <= i) && x <= 0)) || (((((x <= 8 && 0 <= y + 2) && N <= 10) && 0 <= x) && 10 <= i) && y <= 0)) || (((9 <= i && 0 <= y) && y <= 5) && (((0 <= i && 0 <= x + 4) && x <= 0) && N <= 10) && 0 <= y + 2147483648)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10) && 7 <= i) && 0 <= x + 5)) || ((0 <= x + 8 && 10 <= i) && ((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && y <= 2) && x <= 0) && N <= 10)) || ((((x <= 6 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && y <= 2) && 0 <= x)) || ((((y <= 4 && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && 8 <= i) && x <= 4) && 0 <= x)) || (7 <= i && ((y <= 4 && x <= 3) && 0 <= y) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648)) || ((((x <= 3 && 5 <= i) && 0 <= y + 2) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((0 <= y + 5 && 10 <= i) && ((0 <= i && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0) && x <= 5)) || ((((0 <= y + 5 && 9 <= i) && 0 <= x + 4 && ((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && x <= 0) && y <= 0)) || (((0 <= x + 2 && 2 <= i) && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && y <= 0)) || (((9 <= i && (y <= 4 && 0 <= x + 5) && N <= 10) && 0 <= y) && x <= 0)) || (((7 <= i && 0 <= y + 5) && (((0 <= i && x <= 2) && N <= 10) && 0 <= x) && 0 <= y + 2147483648) && y <= 0)) || ((((((2 <= i && 0 <= y + 1) && 0 <= x + 1) && x <= 0) && N <= 10) || ((((2 <= i && 0 <= y + 1) && x <= 1) && N <= 10) && 0 <= x)) && y <= 0)) || ((((4 <= i && 0 <= y) && y <= 2) && 0 <= x + 2 && (0 <= x + 2147483648 && 0 <= i) && N <= 10) && x <= 0)) || (((((((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && 0 <= x) && x <= 7) && 10 <= i)) || ((0 <= y + 4 && ((((5 <= i && 0 <= x + 1) && x <= 0) && N <= 10) || (((x <= 1 && 5 <= i) && N <= 10) && 0 <= x))) && y <= 0)) || (((0 <= x + 3 && (((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && x <= 0) && N <= 10) && 3 <= i) && y <= 0)) || ((((7 <= i && ((0 <= x + 2147483648 && 0 <= i) && 0 <= y) && N <= 10) && y <= 3) && x <= 4) && 0 <= x)) || (((7 <= i && 0 <= x + 6) && (((0 <= x + 2147483648 && 0 <= y + 1) && 0 <= i) && x <= 0) && N <= 10) && y <= 0)) || ((((((((0 <= x + 2147483648 && 0 <= i) && N <= 10) && 0 <= y + 2147483648) && 9 <= i) && x <= 7) && 0 <= y + 2) && 0 <= x) && y <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 10 error locations. SAFE Result, 133.3s OverallTime, 45 OverallIterations, 12 TraceHistogramMax, 14.4s AutomataDifference, 0.0s DeadEndRemovalTime, 99.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1320 SDtfs, 7931 SDslu, 5774 SDs, 0 SdLazy, 1770 SolverSat, 1185 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2498 GetRequests, 2167 SyntacticMatches, 0 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2405 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80157occurred in iteration=41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 15.5s AutomataMinimizationTime, 45 MinimizatonAttempts, 203067 StatesRemovedByMinimization, 42 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 1838 NumberOfFragments, 5715 HoareAnnotationTreeSize, 5 FomulaSimplifications, 604260 FormulaSimplificationTreeSizeReduction, 38.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 87620 FormulaSimplificationTreeSizeReductionInter, 61.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s 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...