./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 687269bb6882b72a3d48999f1e5c55a1d5283a94 ...................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 20:34:39,405 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 20:34:39,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 20:34:39,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 20:34:39,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 20:34:39,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 20:34:39,422 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 20:34:39,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 20:34:39,425 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 20:34:39,426 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 20:34:39,427 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 20:34:39,427 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 20:34:39,428 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 20:34:39,429 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 20:34:39,430 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 20:34:39,431 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 20:34:39,432 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 20:34:39,434 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 20:34:39,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 20:34:39,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 20:34:39,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 20:34:39,440 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 20:34:39,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 20:34:39,443 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 20:34:39,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 20:34:39,444 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 20:34:39,445 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 20:34:39,446 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 20:34:39,446 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 20:34:39,447 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 20:34:39,448 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 20:34:39,448 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 20:34:39,449 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 20:34:39,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 20:34:39,450 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 20:34:39,451 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 20:34:39,451 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-01 20:34:39,475 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 20:34:39,476 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 20:34:39,478 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 20:34:39,478 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 20:34:39,478 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 20:34:39,478 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 20:34:39,479 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 20:34:39,479 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 20:34:39,480 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 20:34:39,480 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 20:34:39,480 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 20:34:39,480 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 20:34:39,480 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 20:34:39,480 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 20:34:39,481 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 20:34:39,481 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 20:34:39,481 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 20:34:39,481 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 20:34:39,481 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 20:34:39,481 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 20:34:39,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:34:39,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 20:34:39,483 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 20:34:39,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 20:34:39,484 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 20:34:39,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 20:34:39,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 20:34:39,484 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 687269bb6882b72a3d48999f1e5c55a1d5283a94 [2019-01-01 20:34:39,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 20:34:39,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 20:34:39,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 20:34:39,553 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 20:34:39,554 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 20:34:39,554 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-01 20:34:39,614 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c9b08ff6/73b60d4fb4374384b7996d0a7c8a4eed/FLAG658dba66f [2019-01-01 20:34:40,080 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 20:34:40,082 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-01 20:34:40,090 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c9b08ff6/73b60d4fb4374384b7996d0a7c8a4eed/FLAG658dba66f [2019-01-01 20:34:40,429 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c9b08ff6/73b60d4fb4374384b7996d0a7c8a4eed [2019-01-01 20:34:40,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 20:34:40,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 20:34:40,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 20:34:40,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 20:34:40,443 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 20:34:40,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19457690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40, skipping insertion in model container [2019-01-01 20:34:40,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 20:34:40,479 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 20:34:40,708 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:34:40,714 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 20:34:40,736 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:34:40,755 INFO L195 MainTranslator]: Completed translation [2019-01-01 20:34:40,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40 WrapperNode [2019-01-01 20:34:40,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 20:34:40,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 20:34:40,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 20:34:40,758 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 20:34:40,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 20:34:40,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 20:34:40,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 20:34:40,801 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 20:34:40,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (1/1) ... [2019-01-01 20:34:40,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 20:34:40,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 20:34:40,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 20:34:40,831 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 20:34:40,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 20:34:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 20:34:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 20:34:41,384 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 20:34:41,384 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 20:34:41,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:34:41 BoogieIcfgContainer [2019-01-01 20:34:41,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 20:34:41,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 20:34:41,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 20:34:41,389 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 20:34:41,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 08:34:40" (1/3) ... [2019-01-01 20:34:41,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38763ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:34:41, skipping insertion in model container [2019-01-01 20:34:41,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:40" (2/3) ... [2019-01-01 20:34:41,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38763ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:34:41, skipping insertion in model container [2019-01-01 20:34:41,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:34:41" (3/3) ... [2019-01-01 20:34:41,393 INFO L112 eAbstractionObserver]: Analyzing ICFG TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-01 20:34:41,404 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 20:34:41,413 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-01-01 20:34:41,433 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-01-01 20:34:41,468 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 20:34:41,469 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 20:34:41,469 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 20:34:41,469 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 20:34:41,470 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 20:34:41,470 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 20:34:41,470 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 20:34:41,470 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 20:34:41,471 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 20:34:41,487 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-01-01 20:34:41,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-01 20:34:41,494 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:34:41,496 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-01 20:34:41,498 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:34:41,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:34:41,506 INFO L82 PathProgramCache]: Analyzing trace with hash 29863588, now seen corresponding path program 1 times [2019-01-01 20:34:41,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:34:41,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:34:41,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:34:41,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:34:41,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:34:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:34:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:34:41,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:34:41,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-01 20:34:41,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:34:41,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:34:41,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:34:41,729 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 3 states. [2019-01-01 20:34:41,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:34:41,898 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2019-01-01 20:34:41,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:34:41,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-01 20:34:41,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:34:41,910 INFO L225 Difference]: With dead ends: 55 [2019-01-01 20:34:41,910 INFO L226 Difference]: Without dead ends: 41 [2019-01-01 20:34:41,914 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:34:41,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-01-01 20:34:41,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 31. [2019-01-01 20:34:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-01 20:34:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2019-01-01 20:34:41,959 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 5 [2019-01-01 20:34:41,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:34:41,960 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2019-01-01 20:34:41,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:34:41,961 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2019-01-01 20:34:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-01 20:34:41,963 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:34:41,964 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-01 20:34:41,964 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:34:41,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:34:41,965 INFO L82 PathProgramCache]: Analyzing trace with hash 29863780, now seen corresponding path program 1 times [2019-01-01 20:34:41,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:34:41,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:34:41,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:34:41,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:34:41,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:34:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:34:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:34:42,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:34:42,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-01 20:34:42,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:34:42,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:34:42,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:34:42,013 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand 3 states. [2019-01-01 20:34:42,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:34:42,202 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2019-01-01 20:34:42,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:34:42,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-01 20:34:42,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:34:42,204 INFO L225 Difference]: With dead ends: 50 [2019-01-01 20:34:42,205 INFO L226 Difference]: Without dead ends: 48 [2019-01-01 20:34:42,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:34:42,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-01 20:34:42,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 39. [2019-01-01 20:34:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-01 20:34:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2019-01-01 20:34:42,216 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 5 [2019-01-01 20:34:42,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:34:42,217 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2019-01-01 20:34:42,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:34:42,217 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2019-01-01 20:34:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-01 20:34:42,217 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:34:42,217 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-01 20:34:42,219 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:34:42,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:34:42,219 INFO L82 PathProgramCache]: Analyzing trace with hash 925771278, now seen corresponding path program 1 times [2019-01-01 20:34:42,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:34:42,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:34:42,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:34:42,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:34:42,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:34:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:34:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:34:42,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:34:42,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:34:42,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:34:42,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:34:42,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:34:42,284 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand 3 states. [2019-01-01 20:34:42,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:34:42,344 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2019-01-01 20:34:42,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:34:42,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-01 20:34:42,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:34:42,346 INFO L225 Difference]: With dead ends: 39 [2019-01-01 20:34:42,346 INFO L226 Difference]: Without dead ends: 37 [2019-01-01 20:34:42,348 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 [2019-01-01 20:34:42,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-01-01 20:34:42,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-01-01 20:34:42,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-01-01 20:34:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2019-01-01 20:34:42,354 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 6 [2019-01-01 20:34:42,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:34:42,355 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2019-01-01 20:34:42,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:34:42,355 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2019-01-01 20:34:42,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-01 20:34:42,355 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:34:42,357 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-01 20:34:42,357 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:34:42,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:34:42,357 INFO L82 PathProgramCache]: Analyzing trace with hash 925777236, now seen corresponding path program 1 times [2019-01-01 20:34:42,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:34:42,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:34:42,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:34:42,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:34:42,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:34:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:34:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:34:42,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:34:42,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:34:42,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:34:42,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:34:42,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:34:42,395 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 3 states. [2019-01-01 20:34:42,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:34:42,476 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2019-01-01 20:34:42,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:34:42,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-01 20:34:42,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:34:42,478 INFO L225 Difference]: With dead ends: 37 [2019-01-01 20:34:42,478 INFO L226 Difference]: Without dead ends: 35 [2019-01-01 20:34:42,479 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 [2019-01-01 20:34:42,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-01 20:34:42,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-01 20:34:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-01 20:34:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2019-01-01 20:34:42,484 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 6 [2019-01-01 20:34:42,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:34:42,484 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2019-01-01 20:34:42,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:34:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2019-01-01 20:34:42,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-01 20:34:42,485 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:34:42,486 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 20:34:42,486 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:34:42,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:34:42,486 INFO L82 PathProgramCache]: Analyzing trace with hash 149003441, now seen corresponding path program 1 times [2019-01-01 20:34:42,487 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:34:42,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:34:42,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:34:42,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:34:42,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:34:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:34:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:34:42,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:34:42,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 20:34:42,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 20:34:42,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 20:34:42,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 20:34:42,646 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand 4 states. [2019-01-01 20:34:42,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:34:42,810 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-01-01 20:34:42,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:34:42,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-01-01 20:34:42,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:34:42,811 INFO L225 Difference]: With dead ends: 35 [2019-01-01 20:34:42,811 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 20:34:42,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 20:34:42,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 20:34:42,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 20:34:42,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 20:34:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 20:34:42,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-01-01 20:34:42,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:34:42,813 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 20:34:42,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 20:34:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 20:34:42,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 20:34:42,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-01 20:34:42,841 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-01-01 20:34:42,841 INFO L448 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2019-01-01 20:34:42,841 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2019-01-01 20:34:42,841 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2019-01-01 20:34:42,841 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2019-01-01 20:34:42,842 INFO L448 ceAbstractionStarter]: For program point L36-1(line 36) no Hoare annotation was computed. [2019-01-01 20:34:42,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-01 20:34:42,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-01 20:34:42,842 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 24 40) no Hoare annotation was computed. [2019-01-01 20:34:42,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2019-01-01 20:34:42,843 INFO L451 ceAbstractionStarter]: At program point L41(lines 19 42) the Hoare annotation is: true [2019-01-01 20:34:42,843 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2019-01-01 20:34:42,843 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 37) no Hoare annotation was computed. [2019-01-01 20:34:42,843 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-01 20:34:42,843 INFO L448 ceAbstractionStarter]: For program point L33-2(lines 33 37) no Hoare annotation was computed. [2019-01-01 20:34:42,843 INFO L448 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2019-01-01 20:34:42,843 INFO L448 ceAbstractionStarter]: For program point L29-1(line 29) no Hoare annotation was computed. [2019-01-01 20:34:42,843 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 39) no Hoare annotation was computed. [2019-01-01 20:34:42,844 INFO L444 ceAbstractionStarter]: At program point L25-2(lines 24 40) the Hoare annotation is: (and (<= ULTIMATE.start_main_~y~0 2147483647) (<= ULTIMATE.start_main_~x~0 2147483648)) [2019-01-01 20:34:42,844 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2019-01-01 20:34:42,844 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2019-01-01 20:34:42,844 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-01-01 20:34:42,844 INFO L448 ceAbstractionStarter]: For program point L34-1(line 34) no Hoare annotation was computed. [2019-01-01 20:34:42,845 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2019-01-01 20:34:42,845 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 30) no Hoare annotation was computed. [2019-01-01 20:34:42,845 INFO L448 ceAbstractionStarter]: For program point L26-2(lines 26 30) no Hoare annotation was computed. [2019-01-01 20:34:42,845 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2019-01-01 20:34:42,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 08:34:42 BoogieIcfgContainer [2019-01-01 20:34:42,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 20:34:42,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 20:34:42,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 20:34:42,861 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 20:34:42,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:34:41" (3/4) ... [2019-01-01 20:34:42,865 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 20:34:42,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 20:34:42,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-01 20:34:42,932 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 20:34:42,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 20:34:42,933 INFO L168 Benchmark]: Toolchain (without parser) took 2498.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -90.7 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2019-01-01 20:34:42,935 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:34:42,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.93 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:34:42,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.56 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:34:42,936 INFO L168 Benchmark]: Boogie Preprocessor took 29.62 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:34:42,937 INFO L168 Benchmark]: RCFGBuilder took 554.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-01 20:34:42,938 INFO L168 Benchmark]: TraceAbstraction took 1473.86 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. [2019-01-01 20:34:42,938 INFO L168 Benchmark]: Witness Printer took 71.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:34:42,943 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.93 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.56 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.62 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 554.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1473.86 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. * Witness Printer took 71.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: 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: 24]: Loop Invariant Derived loop invariant: y <= 2147483647 && x <= 2147483648 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 8 error locations. SAFE Result, 1.3s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 65 SDtfs, 85 SDslu, 23 SDs, 0 SdLazy, 89 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=2, 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, 5 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 8 HoareAnnotationTreeSize, 2 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...