./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/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 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:14:46,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:14:46,698 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:14:46,707 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:14:46,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:14:46,707 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:14:46,708 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:14:46,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:14:46,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:14:46,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:14:46,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:14:46,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:14:46,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:14:46,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:14:46,714 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:14:46,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:14:46,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:14:46,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:14:46,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:14:46,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:14:46,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:14:46,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:14:46,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:14:46,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:14:46,722 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:14:46,723 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:14:46,723 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:14:46,724 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:14:46,725 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:14:46,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:14:46,726 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:14:46,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:14:46,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:14:46,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:14:46,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:14:46,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:14:46,727 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 13:14:46,734 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:14:46,734 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:14:46,735 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:14:46,735 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:14:46,735 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:14:46,735 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:14:46,736 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 13:14:46,736 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:14:46,736 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 13:14:46,736 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:14:46,736 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:14:46,736 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:14:46,736 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:14:46,737 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:14:46,737 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 13:14:46,737 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:14:46,737 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:14:46,737 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:14:46,737 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:14:46,737 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:14:46,737 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:14:46,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:14:46,738 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:14:46,738 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:14:46,738 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:14:46,738 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 13:14:46,738 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:14:46,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:14:46,738 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_2ce6b948-bb11-435d-b19e-36ff0d095a3b/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 -> 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 [2018-11-10 13:14:46,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:14:46,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:14:46,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:14:46,775 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:14:46,776 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:14:46,776 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-10 13:14:46,821 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/data/bf7de5585/7ba8fc0a7b6f4e658cd86b07399997c2/FLAG4e9815ace [2018-11-10 13:14:47,122 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:14:47,122 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-10 13:14:47,127 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/data/bf7de5585/7ba8fc0a7b6f4e658cd86b07399997c2/FLAG4e9815ace [2018-11-10 13:14:47,139 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/data/bf7de5585/7ba8fc0a7b6f4e658cd86b07399997c2 [2018-11-10 13:14:47,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:14:47,143 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 13:14:47,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:14:47,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:14:47,147 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:14:47,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:14:47" (1/1) ... [2018-11-10 13:14:47,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb581ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47, skipping insertion in model container [2018-11-10 13:14:47,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:14:47" (1/1) ... [2018-11-10 13:14:47,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:14:47,173 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:14:47,280 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:14:47,282 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:14:47,293 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:14:47,301 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:14:47,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47 WrapperNode [2018-11-10 13:14:47,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:14:47,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:14:47,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:14:47,302 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:14:47,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47" (1/1) ... [2018-11-10 13:14:47,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47" (1/1) ... [2018-11-10 13:14:47,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47" (1/1) ... [2018-11-10 13:14:47,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47" (1/1) ... [2018-11-10 13:14:47,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47" (1/1) ... [2018-11-10 13:14:47,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47" (1/1) ... [2018-11-10 13:14:47,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47" (1/1) ... [2018-11-10 13:14:47,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:14:47,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:14:47,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:14:47,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:14:47,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:14:47,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:14:47,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:14:47,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:14:47,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 13:14:47,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:14:47,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:14:47,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:14:47,518 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:14:47,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:14:47 BoogieIcfgContainer [2018-11-10 13:14:47,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:14:47,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:14:47,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:14:47,522 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:14:47,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:14:47" (1/3) ... [2018-11-10 13:14:47,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59479551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:14:47, skipping insertion in model container [2018-11-10 13:14:47,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:14:47" (2/3) ... [2018-11-10 13:14:47,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59479551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:14:47, skipping insertion in model container [2018-11-10 13:14:47,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:14:47" (3/3) ... [2018-11-10 13:14:47,524 INFO L112 eAbstractionObserver]: Analyzing ICFG UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-10 13:14:47,530 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:14:47,534 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-11-10 13:14:47,543 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-11-10 13:14:47,561 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:14:47,562 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:14:47,562 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:14:47,562 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:14:47,562 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:14:47,562 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:14:47,562 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:14:47,562 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:14:47,563 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:14:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-10 13:14:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 13:14:47,583 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:14:47,583 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:14:47,585 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 13:14:47,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:14:47,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1985613365, now seen corresponding path program 1 times [2018-11-10 13:14:47,593 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:14:47,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:14:47,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:47,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:14:47,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:14:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:14:47,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:14:47,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:14:47,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:14:47,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:14:47,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:47,716 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 3 states. [2018-11-10 13:14:47,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:14:47,777 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2018-11-10 13:14:47,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:14:47,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 13:14:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:14:47,784 INFO L225 Difference]: With dead ends: 50 [2018-11-10 13:14:47,785 INFO L226 Difference]: Without dead ends: 36 [2018-11-10 13:14:47,786 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:47,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-10 13:14:47,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2018-11-10 13:14:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-10 13:14:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2018-11-10 13:14:47,816 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 10 [2018-11-10 13:14:47,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:14:47,816 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2018-11-10 13:14:47,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:14:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2018-11-10 13:14:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 13:14:47,817 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:14:47,817 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:14:47,817 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 13:14:47,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:14:47,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1985613557, now seen corresponding path program 1 times [2018-11-10 13:14:47,818 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:14:47,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:14:47,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:47,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:14:47,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:14:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:14:47,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:14:47,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:14:47,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:14:47,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:14:47,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:47,839 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand 3 states. [2018-11-10 13:14:47,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:14:47,860 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2018-11-10 13:14:47,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:14:47,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 13:14:47,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:14:47,861 INFO L225 Difference]: With dead ends: 34 [2018-11-10 13:14:47,861 INFO L226 Difference]: Without dead ends: 32 [2018-11-10 13:14:47,862 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:47,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-10 13:14:47,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-10 13:14:47,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-10 13:14:47,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2018-11-10 13:14:47,866 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 10 [2018-11-10 13:14:47,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:14:47,867 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2018-11-10 13:14:47,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:14:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2018-11-10 13:14:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 13:14:47,867 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:14:47,867 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:14:47,868 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 13:14:47,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:14:47,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1985629253, now seen corresponding path program 1 times [2018-11-10 13:14:47,868 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:14:47,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:14:47,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:47,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:14:47,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:14:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:14:47,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:14:47,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:14:47,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:14:47,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:14:47,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:47,898 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 3 states. [2018-11-10 13:14:47,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:14:47,912 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2018-11-10 13:14:47,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:14:47,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 13:14:47,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:14:47,913 INFO L225 Difference]: With dead ends: 32 [2018-11-10 13:14:47,914 INFO L226 Difference]: Without dead ends: 31 [2018-11-10 13:14:47,914 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:47,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-10 13:14:47,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-10 13:14:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-10 13:14:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2018-11-10 13:14:47,917 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 10 [2018-11-10 13:14:47,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:14:47,917 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2018-11-10 13:14:47,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:14:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-11-10 13:14:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 13:14:47,917 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:14:47,917 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:14:47,918 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 13:14:47,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:14:47,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1424472225, now seen corresponding path program 1 times [2018-11-10 13:14:47,918 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:14:47,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:14:47,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:47,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:14:47,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:14:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:14:47,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:14:47,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:14:47,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:14:47,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:14:47,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:47,938 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand 3 states. [2018-11-10 13:14:47,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:14:47,977 INFO L93 Difference]: Finished difference Result 62 states and 79 transitions. [2018-11-10 13:14:47,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:14:47,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-10 13:14:47,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:14:47,978 INFO L225 Difference]: With dead ends: 62 [2018-11-10 13:14:47,978 INFO L226 Difference]: Without dead ends: 36 [2018-11-10 13:14:47,979 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:47,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-10 13:14:47,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-11-10 13:14:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-10 13:14:47,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2018-11-10 13:14:47,984 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 11 [2018-11-10 13:14:47,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:14:47,984 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2018-11-10 13:14:47,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:14:47,984 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2018-11-10 13:14:47,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 13:14:47,984 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:14:47,985 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:14:47,985 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 13:14:47,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:14:47,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1424478183, now seen corresponding path program 1 times [2018-11-10 13:14:47,985 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:14:47,986 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:14:47,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:47,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:14:47,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:14:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:14:48,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:14:48,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:14:48,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:14:48,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:14:48,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:48,010 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand 3 states. [2018-11-10 13:14:48,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:14:48,033 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2018-11-10 13:14:48,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:14:48,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-10 13:14:48,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:14:48,035 INFO L225 Difference]: With dead ends: 38 [2018-11-10 13:14:48,035 INFO L226 Difference]: Without dead ends: 36 [2018-11-10 13:14:48,035 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:48,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-10 13:14:48,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2018-11-10 13:14:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-10 13:14:48,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2018-11-10 13:14:48,039 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 11 [2018-11-10 13:14:48,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:14:48,039 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2018-11-10 13:14:48,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:14:48,040 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-11-10 13:14:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 13:14:48,040 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:14:48,040 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:14:48,041 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 13:14:48,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:14:48,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1424964769, now seen corresponding path program 1 times [2018-11-10 13:14:48,041 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:14:48,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:14:48,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:48,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:14:48,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:14:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:14:48,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:14:48,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:14:48,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:14:48,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:14:48,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:48,068 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 3 states. [2018-11-10 13:14:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:14:48,088 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2018-11-10 13:14:48,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:14:48,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-10 13:14:48,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:14:48,089 INFO L225 Difference]: With dead ends: 34 [2018-11-10 13:14:48,089 INFO L226 Difference]: Without dead ends: 33 [2018-11-10 13:14:48,089 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:14:48,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-10 13:14:48,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-10 13:14:48,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-10 13:14:48,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-11-10 13:14:48,092 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 11 [2018-11-10 13:14:48,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:14:48,092 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-11-10 13:14:48,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:14:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-10 13:14:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 13:14:48,093 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:14:48,093 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:14:48,093 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 13:14:48,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:14:48,094 INFO L82 PathProgramCache]: Analyzing trace with hash -534858710, now seen corresponding path program 1 times [2018-11-10 13:14:48,094 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:14:48,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:14:48,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:48,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:14:48,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:14:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:14:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:14:48,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:14:48,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 13:14:48,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 13:14:48,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 13:14:48,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 13:14:48,133 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 4 states. [2018-11-10 13:14:48,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:14:48,151 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2018-11-10 13:14:48,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 13:14:48,151 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-10 13:14:48,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:14:48,151 INFO L225 Difference]: With dead ends: 63 [2018-11-10 13:14:48,151 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 13:14:48,151 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 13:14:48,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 13:14:48,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 13:14:48,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 13:14:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 13:14:48,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-11-10 13:14:48,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:14:48,152 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:14:48,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 13:14:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:14:48,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:14:48,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 13:14:48,195 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 13:14:48,195 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:14:48,195 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:14:48,195 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 13:14:48,195 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:14:48,195 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:14:48,195 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-10 13:14:48,195 INFO L425 ceAbstractionStarter]: For program point L27(lines 27 32) no Hoare annotation was computed. [2018-11-10 13:14:48,195 INFO L421 ceAbstractionStarter]: At program point L27-2(lines 18 34) the Hoare annotation is: (and (<= main_~x~0 2147483647) (<= 0 (+ main_~x~0 2147483648)) (<= main_~y~0 2147483647)) [2018-11-10 13:14:48,195 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 36) no Hoare annotation was computed. [2018-11-10 13:14:48,196 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-10 13:14:48,196 INFO L425 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-11-10 13:14:48,196 INFO L425 ceAbstractionStarter]: For program point L19(lines 19 33) no Hoare annotation was computed. [2018-11-10 13:14:48,196 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-10 13:14:48,196 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 36) no Hoare annotation was computed. [2018-11-10 13:14:48,196 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-10 13:14:48,196 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-10 13:14:48,196 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-10 13:14:48,196 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 36) the Hoare annotation is: true [2018-11-10 13:14:48,196 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 25) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point L18-1(lines 18 34) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point L18-3(lines 18 34) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-10 13:14:48,197 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-10 13:14:48,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:14:48 BoogieIcfgContainer [2018-11-10 13:14:48,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:14:48,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:14:48,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:14:48,206 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:14:48,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:14:47" (3/4) ... [2018-11-10 13:14:48,209 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:14:48,213 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 13:14:48,214 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 13:14:48,216 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 13:14:48,216 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 13:14:48,216 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 13:14:48,248 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2ce6b948-bb11-435d-b19e-36ff0d095a3b/bin-2019/uautomizer/witness.graphml [2018-11-10 13:14:48,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:14:48,249 INFO L168 Benchmark]: Toolchain (without parser) took 1106.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -82.8 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:14:48,250 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:14:48,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.93 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:14:48,250 INFO L168 Benchmark]: Boogie Preprocessor took 19.78 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:14:48,251 INFO L168 Benchmark]: RCFGBuilder took 196.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:14:48,251 INFO L168 Benchmark]: TraceAbstraction took 686.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:14:48,251 INFO L168 Benchmark]: Witness Printer took 42.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:14:48,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.93 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.78 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 196.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 686.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * Witness Printer took 42.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: 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 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 0 <= x + 2147483648) && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 31 locations, 8 error locations. SAFE Result, 0.6s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 148 SDtfs, 78 SDslu, 61 SDs, 0 SdLazy, 85 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=4, 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: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 16 HoareAnnotationTreeSize, 5 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 1604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...