./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1_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/PodelskiRybalchenko-LICS2004-Fig1_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 f7e1c1540b70904598fe5e82d3f5b8e6f2e3e9f6 ............................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:32:28,379 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:32:28,385 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:32:28,403 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:32:28,403 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:32:28,404 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:32:28,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:32:28,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:32:28,409 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:32:28,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:32:28,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:32:28,411 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:32:28,412 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:32:28,413 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:32:28,414 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:32:28,414 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:32:28,415 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:32:28,417 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:32:28,419 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:32:28,421 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:32:28,422 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:32:28,423 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:32:28,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:32:28,426 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:32:28,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:32:28,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:32:28,428 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:32:28,429 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:32:28,430 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:32:28,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:32:28,431 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:32:28,435 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:32:28,435 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:32:28,435 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:32:28,437 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:32:28,437 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:32:28,438 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 01:32:28,457 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:32:28,458 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:32:28,461 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:32:28,461 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:32:28,461 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:32:28,461 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:32:28,462 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:32:28,462 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:32:28,462 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:32:28,462 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:32:28,462 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:32:28,462 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:32:28,465 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:32:28,465 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:32:28,465 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:32:28,465 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:32:28,466 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:32:28,466 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:32:28,466 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:32:28,466 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:32:28,466 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:32:28,466 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:32:28,467 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:32:28,467 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:32:28,467 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:32:28,467 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:32:28,467 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:32:28,468 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 -> f7e1c1540b70904598fe5e82d3f5b8e6f2e3e9f6 [2019-01-14 01:32:28,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:32:28,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:32:28,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:32:28,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:32:28,547 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:32:28,548 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1_true-termination_true-no-overflow.c [2019-01-14 01:32:28,601 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f0163e9/945617ca8b5a489eb698375e63546f13/FLAGbe257c302 [2019-01-14 01:32:29,015 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:32:29,017 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1_true-termination_true-no-overflow.c [2019-01-14 01:32:29,026 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f0163e9/945617ca8b5a489eb698375e63546f13/FLAGbe257c302 [2019-01-14 01:32:29,386 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f0163e9/945617ca8b5a489eb698375e63546f13 [2019-01-14 01:32:29,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:32:29,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:32:29,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:32:29,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:32:29,402 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:32:29,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be1244e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29, skipping insertion in model container [2019-01-14 01:32:29,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:32:29,435 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:32:29,595 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:32:29,599 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:32:29,614 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:32:29,625 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:32:29,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29 WrapperNode [2019-01-14 01:32:29,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:32:29,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:32:29,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:32:29,627 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:32:29,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:32:29,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:32:29,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:32:29,662 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:32:29,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (1/1) ... [2019-01-14 01:32:29,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:32:29,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:32:29,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:32:29,682 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:32:29,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (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 01:32:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:32:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:32:29,974 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:32:29,974 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-14 01:32:29,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:32:29 BoogieIcfgContainer [2019-01-14 01:32:29,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:32:29,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:32:29,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:32:29,981 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:32:29,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:32:29" (1/3) ... [2019-01-14 01:32:29,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0b28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:32:29, skipping insertion in model container [2019-01-14 01:32:29,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:32:29" (2/3) ... [2019-01-14 01:32:29,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0b28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:32:29, skipping insertion in model container [2019-01-14 01:32:29,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:32:29" (3/3) ... [2019-01-14 01:32:29,992 INFO L112 eAbstractionObserver]: Analyzing ICFG PodelskiRybalchenko-LICS2004-Fig1_true-termination_true-no-overflow.c [2019-01-14 01:32:30,016 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:32:30,025 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-14 01:32:30,051 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-14 01:32:30,094 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:32:30,095 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:32:30,095 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:32:30,095 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:32:30,096 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:32:30,096 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:32:30,096 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:32:30,096 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:32:30,096 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:32:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-01-14 01:32:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 01:32:30,119 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:32:30,120 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 01:32:30,122 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:32:30,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:32:30,134 INFO L82 PathProgramCache]: Analyzing trace with hash 963476, now seen corresponding path program 1 times [2019-01-14 01:32:30,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:32:30,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:32:30,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:32:30,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:32:30,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:32:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:32:30,305 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 01:32:30,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:32:30,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:32:30,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:32:30,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:32:30,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:32:30,326 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-01-14 01:32:30,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:32:30,385 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2019-01-14 01:32:30,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:32:30,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 01:32:30,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:32:30,396 INFO L225 Difference]: With dead ends: 33 [2019-01-14 01:32:30,396 INFO L226 Difference]: Without dead ends: 11 [2019-01-14 01:32:30,400 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 01:32:30,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-14 01:32:30,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-01-14 01:32:30,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-14 01:32:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-01-14 01:32:30,427 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2019-01-14 01:32:30,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:32:30,427 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-01-14 01:32:30,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:32:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-01-14 01:32:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 01:32:30,428 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:32:30,428 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 01:32:30,429 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:32:30,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:32:30,429 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2019-01-14 01:32:30,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:32:30,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:32:30,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:32:30,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:32:30,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:32:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:32:30,469 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 01:32:30,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:32:30,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:32:30,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:32:30,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:32:30,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:32:30,472 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2019-01-14 01:32:30,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:32:30,531 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-01-14 01:32:30,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:32:30,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 01:32:30,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:32:30,533 INFO L225 Difference]: With dead ends: 18 [2019-01-14 01:32:30,533 INFO L226 Difference]: Without dead ends: 17 [2019-01-14 01:32:30,534 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 01:32:30,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-14 01:32:30,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-01-14 01:32:30,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-14 01:32:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-01-14 01:32:30,539 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 4 [2019-01-14 01:32:30,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:32:30,539 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-01-14 01:32:30,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:32:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-01-14 01:32:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 01:32:30,540 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:32:30,540 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 01:32:30,540 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:32:30,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:32:30,541 INFO L82 PathProgramCache]: Analyzing trace with hash 29867816, now seen corresponding path program 1 times [2019-01-14 01:32:30,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:32:30,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:32:30,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:32:30,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:32:30,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:32:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:32:30,602 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 01:32:30,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:32:30,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:32:30,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:32:30,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:32:30,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:32:30,604 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2019-01-14 01:32:30,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:32:30,618 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-01-14 01:32:30,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:32:30,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 01:32:30,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:32:30,620 INFO L225 Difference]: With dead ends: 12 [2019-01-14 01:32:30,620 INFO L226 Difference]: Without dead ends: 11 [2019-01-14 01:32:30,620 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 01:32:30,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-14 01:32:30,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-14 01:32:30,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-14 01:32:30,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-01-14 01:32:30,623 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 5 [2019-01-14 01:32:30,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:32:30,624 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-01-14 01:32:30,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:32:30,624 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-01-14 01:32:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 01:32:30,624 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:32:30,624 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 01:32:30,625 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:32:30,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:32:30,625 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2019-01-14 01:32:30,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:32:30,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:32:30,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:32:30,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:32:30,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:32:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:32:30,661 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 01:32:30,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:32:30,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:32:30,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:32:30,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:32:30,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:32:30,663 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 3 states. [2019-01-14 01:32:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:32:30,704 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-01-14 01:32:30,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:32:30,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 01:32:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:32:30,705 INFO L225 Difference]: With dead ends: 12 [2019-01-14 01:32:30,705 INFO L226 Difference]: Without dead ends: 11 [2019-01-14 01:32:30,706 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 01:32:30,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-14 01:32:30,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-01-14 01:32:30,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-14 01:32:30,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-01-14 01:32:30,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 5 [2019-01-14 01:32:30,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:32:30,710 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-01-14 01:32:30,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:32:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-01-14 01:32:30,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 01:32:30,711 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:32:30,711 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-01-14 01:32:30,711 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:32:30,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:32:30,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1360166548, now seen corresponding path program 1 times [2019-01-14 01:32:30,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:32:30,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:32:30,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:32:30,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:32:30,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:32:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:32:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-14 01:32:30,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 01:32:30,780 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-14 01:32:30,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:32:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:32:30,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 01:32:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:32:30,942 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 01:32:30,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2019-01-14 01:32:30,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-14 01:32:30,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 01:32:30,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-14 01:32:30,943 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 6 states. [2019-01-14 01:32:31,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:32:31,335 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2019-01-14 01:32:31,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 01:32:31,335 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-01-14 01:32:31,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:32:31,336 INFO L225 Difference]: With dead ends: 25 [2019-01-14 01:32:31,336 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 01:32:31,337 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-01-14 01:32:31,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 01:32:31,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 01:32:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 01:32:31,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 01:32:31,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-01-14 01:32:31,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:32:31,338 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 01:32:31,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-14 01:32:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 01:32:31,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 01:32:31,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 01:32:31,383 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 01:32:31,384 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-01-14 01:32:31,384 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-01-14 01:32:31,385 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (<= ULTIMATE.start_main_~x~0 1073741823) (<= 0 ULTIMATE.start_main_~x~0)) [2019-01-14 01:32:31,385 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 21) no Hoare annotation was computed. [2019-01-14 01:32:31,385 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 23) the Hoare annotation is: true [2019-01-14 01:32:31,385 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 23) no Hoare annotation was computed. [2019-01-14 01:32:31,385 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 01:32:31,385 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-01-14 01:32:31,386 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 01:32:31,386 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-01-14 01:32:31,386 INFO L451 ceAbstractionStarter]: At program point L24(lines 13 25) the Hoare annotation is: true [2019-01-14 01:32:31,386 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-01-14 01:32:31,386 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-01-14 01:32:31,386 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-01-14 01:32:31,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:32:31 BoogieIcfgContainer [2019-01-14 01:32:31,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:32:31,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:32:31,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:32:31,398 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:32:31,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:32:29" (3/4) ... [2019-01-14 01:32:31,402 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 01:32:31,412 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 01:32:31,412 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 01:32:31,459 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:32:31,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:32:31,460 INFO L168 Benchmark]: Toolchain (without parser) took 2068.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -86.8 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2019-01-14 01:32:31,462 INFO L168 Benchmark]: CDTParser took 0.18 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 01:32:31,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.91 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:32:31,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.75 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:32:31,464 INFO L168 Benchmark]: Boogie Preprocessor took 19.44 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:32:31,464 INFO L168 Benchmark]: RCFGBuilder took 294.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-14 01:32:31,465 INFO L168 Benchmark]: TraceAbstraction took 1421.17 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: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2019-01-14 01:32:31,466 INFO L168 Benchmark]: Witness Printer took 60.88 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. [2019-01-14 01:32:31,470 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 231.91 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 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 34.75 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.44 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 294.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1421.17 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: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * Witness Printer took 60.88 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: 20]: 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: 20]: 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (1 <= y && x <= 1073741823) && 0 <= x - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. SAFE Result, 1.3s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 33 SDtfs, 51 SDslu, 6 SDs, 0 SdLazy, 57 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 14 NumberOfFragments, 12 HoareAnnotationTreeSize, 3 FomulaSimplifications, 47 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 26 ConstructedInterpolants, 2 QuantifiedInterpolants, 398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 1/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...