./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0ed9222f 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-lit/CookSeeZuleger-TACAS2013-Fig7a_true-termination_true-no-overflow.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 f9de9875f09e594325a645528f016ce12ac5c646 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 21:39:22,460 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 21:39:22,462 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 21:39:22,473 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 21:39:22,474 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 21:39:22,475 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 21:39:22,476 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 21:39:22,479 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 21:39:22,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 21:39:22,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 21:39:22,483 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 21:39:22,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 21:39:22,485 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 21:39:22,486 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 21:39:22,487 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 21:39:22,491 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 21:39:22,492 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 21:39:22,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 21:39:22,500 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 21:39:22,507 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 21:39:22,510 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 21:39:22,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 21:39:22,515 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 21:39:22,516 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 21:39:22,516 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 21:39:22,517 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 21:39:22,521 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 21:39:22,521 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 21:39:22,522 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 21:39:22,525 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 21:39:22,525 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 21:39:22,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 21:39:22,527 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 21:39:22,527 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 21:39:22,528 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 21:39:22,528 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 21:39:22,529 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 21:39:22,557 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 21:39:22,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 21:39:22,561 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 21:39:22,561 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 21:39:22,561 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 21:39:22,561 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 21:39:22,561 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 21:39:22,563 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 21:39:22,563 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 21:39:22,563 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 21:39:22,563 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 21:39:22,563 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 21:39:22,564 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 21:39:22,564 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 21:39:22,564 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 21:39:22,564 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 21:39:22,564 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 21:39:22,564 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 21:39:22,565 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 21:39:22,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 21:39:22,565 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 21:39:22,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 21:39:22,565 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 21:39:22,565 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 21:39:22,567 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 21:39:22,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 21:39:22,567 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 -> f9de9875f09e594325a645528f016ce12ac5c646 [2019-01-14 21:39:22,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 21:39:22,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 21:39:22,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 21:39:22,644 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 21:39:22,644 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 21:39:22,645 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a_true-termination_true-no-overflow.c [2019-01-14 21:39:22,701 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044f8896a/63eb366ca518419da562af4e9bdec4a0/FLAGac1f1d0b7 [2019-01-14 21:39:23,087 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 21:39:23,090 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a_true-termination_true-no-overflow.c [2019-01-14 21:39:23,098 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044f8896a/63eb366ca518419da562af4e9bdec4a0/FLAGac1f1d0b7 [2019-01-14 21:39:23,462 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044f8896a/63eb366ca518419da562af4e9bdec4a0 [2019-01-14 21:39:23,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 21:39:23,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 21:39:23,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 21:39:23,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 21:39:23,473 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 21:39:23,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3caa50f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23, skipping insertion in model container [2019-01-14 21:39:23,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 21:39:23,505 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 21:39:23,663 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 21:39:23,667 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 21:39:23,683 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 21:39:23,695 INFO L195 MainTranslator]: Completed translation [2019-01-14 21:39:23,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23 WrapperNode [2019-01-14 21:39:23,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 21:39:23,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 21:39:23,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 21:39:23,697 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 21:39:23,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 21:39:23,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 21:39:23,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 21:39:23,733 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 21:39:23,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (1/1) ... [2019-01-14 21:39:23,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 21:39:23,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 21:39:23,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 21:39:23,752 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 21:39:23,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (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 [2019-01-14 21:39:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 21:39:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 21:39:24,162 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 21:39:24,162 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 21:39:24,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:39:24 BoogieIcfgContainer [2019-01-14 21:39:24,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 21:39:24,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 21:39:24,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 21:39:24,169 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 21:39:24,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 09:39:23" (1/3) ... [2019-01-14 21:39:24,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e48443e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 09:39:24, skipping insertion in model container [2019-01-14 21:39:24,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:39:23" (2/3) ... [2019-01-14 21:39:24,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e48443e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 09:39:24, skipping insertion in model container [2019-01-14 21:39:24,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:39:24" (3/3) ... [2019-01-14 21:39:24,174 INFO L112 eAbstractionObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig7a_true-termination_true-no-overflow.c [2019-01-14 21:39:24,185 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 21:39:24,195 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-01-14 21:39:24,214 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-01-14 21:39:24,244 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 21:39:24,245 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 21:39:24,245 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 21:39:24,245 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 21:39:24,246 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 21:39:24,246 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 21:39:24,246 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 21:39:24,247 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 21:39:24,247 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 21:39:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-01-14 21:39:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 21:39:24,269 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:39:24,270 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 21:39:24,272 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:39:24,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:39:24,279 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2019-01-14 21:39:24,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:39:24,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:39:24,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:39:24,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:39:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 21:39:24,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:39:24,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 21:39:24,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:39:24,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:39:24,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:39:24,461 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-01-14 21:39:24,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:39:24,519 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-01-14 21:39:24,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:39:24,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 21:39:24,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:39:24,530 INFO L225 Difference]: With dead ends: 23 [2019-01-14 21:39:24,530 INFO L226 Difference]: Without dead ends: 14 [2019-01-14 21:39:24,533 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 [2019-01-14 21:39:24,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-01-14 21:39:24,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-01-14 21:39:24,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-01-14 21:39:24,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2019-01-14 21:39:24,560 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 4 [2019-01-14 21:39:24,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:39:24,560 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2019-01-14 21:39:24,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:39:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-01-14 21:39:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 21:39:24,561 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:39:24,561 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 21:39:24,562 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:39:24,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:39:24,562 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2019-01-14 21:39:24,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:39:24,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:39:24,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:39:24,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:39:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 21:39:24,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:39:24,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 21:39:24,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:39:24,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:39:24,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:39:24,597 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 3 states. [2019-01-14 21:39:24,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:39:24,650 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2019-01-14 21:39:24,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:39:24,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 21:39:24,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:39:24,651 INFO L225 Difference]: With dead ends: 14 [2019-01-14 21:39:24,652 INFO L226 Difference]: Without dead ends: 13 [2019-01-14 21:39:24,653 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 [2019-01-14 21:39:24,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-01-14 21:39:24,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-01-14 21:39:24,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-14 21:39:24,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2019-01-14 21:39:24,656 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 4 [2019-01-14 21:39:24,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:39:24,656 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2019-01-14 21:39:24,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:39:24,657 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-01-14 21:39:24,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 21:39:24,657 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:39:24,657 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 21:39:24,658 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:39:24,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:39:24,658 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2019-01-14 21:39:24,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:39:24,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:39:24,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:39:24,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:39:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 21:39:24,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:39:24,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 21:39:24,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:39:24,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:39:24,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:39:24,750 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 3 states. [2019-01-14 21:39:24,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:39:24,776 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2019-01-14 21:39:24,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:39:24,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 21:39:24,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:39:24,778 INFO L225 Difference]: With dead ends: 14 [2019-01-14 21:39:24,779 INFO L226 Difference]: Without dead ends: 13 [2019-01-14 21:39:24,779 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 [2019-01-14 21:39:24,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-01-14 21:39:24,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-01-14 21:39:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-14 21:39:24,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2019-01-14 21:39:24,784 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 5 [2019-01-14 21:39:24,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:39:24,785 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-01-14 21:39:24,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:39:24,785 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-01-14 21:39:24,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 21:39:24,786 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:39:24,786 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 21:39:24,786 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:39:24,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:39:24,787 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2019-01-14 21:39:24,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:39:24,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:39:24,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:39:24,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:39:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 21:39:24,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:39:24,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 21:39:24,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:39:24,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:39:24,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:39:24,836 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 3 states. [2019-01-14 21:39:24,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:39:24,894 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-01-14 21:39:24,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:39:24,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 21:39:24,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:39:24,896 INFO L225 Difference]: With dead ends: 12 [2019-01-14 21:39:24,896 INFO L226 Difference]: Without dead ends: 11 [2019-01-14 21:39:24,897 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 [2019-01-14 21:39:24,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-14 21:39:24,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-14 21:39:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-14 21:39:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-01-14 21:39:24,901 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 5 [2019-01-14 21:39:24,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:39:24,901 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-01-14 21:39:24,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:39:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-01-14 21:39:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 21:39:24,902 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:39:24,903 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 21:39:24,903 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:39:24,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:39:24,904 INFO L82 PathProgramCache]: Analyzing trace with hash 925954989, now seen corresponding path program 1 times [2019-01-14 21:39:24,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:39:24,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:39:24,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:39:24,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:39:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 21:39:24,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:39:24,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 21:39:24,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:39:24,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:39:24,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:39:24,954 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 3 states. [2019-01-14 21:39:24,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:39:24,972 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-01-14 21:39:24,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:39:24,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-14 21:39:24,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:39:24,973 INFO L225 Difference]: With dead ends: 11 [2019-01-14 21:39:24,973 INFO L226 Difference]: Without dead ends: 10 [2019-01-14 21:39:24,974 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 [2019-01-14 21:39:24,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-14 21:39:24,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-14 21:39:24,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-14 21:39:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-01-14 21:39:24,977 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2019-01-14 21:39:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:39:24,977 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-01-14 21:39:24,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:39:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-01-14 21:39:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 21:39:24,978 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:39:24,978 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 21:39:24,978 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:39:24,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:39:24,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1360166356, now seen corresponding path program 1 times [2019-01-14 21:39:24,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:39:24,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:39:24,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:39:24,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:39:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:39:25,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 21:39:25,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:39:25,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 21:39:25,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:39:25,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:39:25,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:39:25,026 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2019-01-14 21:39:25,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:39:25,049 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-01-14 21:39:25,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:39:25,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-14 21:39:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:39:25,050 INFO L225 Difference]: With dead ends: 10 [2019-01-14 21:39:25,050 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 21:39:25,051 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 [2019-01-14 21:39:25,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 21:39:25,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 21:39:25,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 21:39:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 21:39:25,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-01-14 21:39:25,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:39:25,052 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 21:39:25,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:39:25,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 21:39:25,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 21:39:25,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 21:39:25,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 21:39:25,108 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-01-14 21:39:25,108 INFO L448 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2019-01-14 21:39:25,109 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2019-01-14 21:39:25,109 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 28) no Hoare annotation was computed. [2019-01-14 21:39:25,109 INFO L444 ceAbstractionStarter]: At program point L21-2(lines 20 29) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~d~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2019-01-14 21:39:25,109 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-01-14 21:39:25,110 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-01-14 21:39:25,110 INFO L444 ceAbstractionStarter]: At program point L30(lines 15 31) the Hoare annotation is: (<= ULTIMATE.start_main_~y~0 2147483647) [2019-01-14 21:39:25,110 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 21:39:25,110 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 21:39:25,110 INFO L448 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2019-01-14 21:39:25,110 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2019-01-14 21:39:25,110 INFO L448 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2019-01-14 21:39:25,110 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-01-14 21:39:25,111 INFO L448 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2019-01-14 21:39:25,111 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 20 29) no Hoare annotation was computed. [2019-01-14 21:39:25,111 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-01-14 21:39:25,111 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-01-14 21:39:25,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 09:39:25 BoogieIcfgContainer [2019-01-14 21:39:25,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 21:39:25,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 21:39:25,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 21:39:25,124 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 21:39:25,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:39:24" (3/4) ... [2019-01-14 21:39:25,128 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 21:39:25,137 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 21:39:25,137 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 21:39:25,191 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 21:39:25,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 21:39:25,197 INFO L168 Benchmark]: Toolchain (without parser) took 1730.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -122.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-01-14 21:39:25,199 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-01-14 21:39:25,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.35 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 21:39:25,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.50 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 21:39:25,201 INFO L168 Benchmark]: Boogie Preprocessor took 19.01 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 21:39:25,201 INFO L168 Benchmark]: RCFGBuilder took 412.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-01-14 21:39:25,205 INFO L168 Benchmark]: TraceAbstraction took 958.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2019-01-14 21:39:25,206 INFO L168 Benchmark]: Witness Printer took 71.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-14 21:39:25,212 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 227.35 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.50 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.01 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 412.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 958.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. * Witness Printer took 71.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x <= 2147483647 && d <= 2147483647) && y <= 2147483647 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 6 error locations. SAFE Result, 0.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 60 SDtfs, 34 SDslu, 10 SDs, 0 SdLazy, 28 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, 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, 6 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 13 HoareAnnotationTreeSize, 2 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...