./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_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 f560e32afd5a40adf4a98abbf810cb377947c4f4 ............................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 20:46:47,731 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 20:46:47,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 20:46:47,751 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 20:46:47,752 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 20:46:47,753 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 20:46:47,755 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 20:46:47,757 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 20:46:47,759 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 20:46:47,760 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 20:46:47,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 20:46:47,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 20:46:47,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 20:46:47,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 20:46:47,776 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 20:46:47,777 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 20:46:47,778 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 20:46:47,781 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 20:46:47,784 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 20:46:47,789 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 20:46:47,790 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 20:46:47,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 20:46:47,795 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 20:46:47,796 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 20:46:47,796 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 20:46:47,797 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 20:46:47,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 20:46:47,799 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 20:46:47,800 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 20:46:47,802 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 20:46:47,802 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 20:46:47,803 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 20:46:47,803 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 20:46:47,805 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 20:46:47,806 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 20:46:47,807 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 20:46:47,808 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-01 20:46:47,836 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 20:46:47,836 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 20:46:47,837 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 20:46:47,837 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 20:46:47,839 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 20:46:47,839 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 20:46:47,839 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 20:46:47,839 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 20:46:47,840 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 20:46:47,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 20:46:47,843 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 20:46:47,843 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 20:46:47,843 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 20:46:47,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 20:46:47,843 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 20:46:47,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 20:46:47,844 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 20:46:47,844 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 20:46:47,844 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 20:46:47,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 20:46:47,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:46:47,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 20:46:47,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 20:46:47,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 20:46:47,845 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 20:46:47,845 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 20:46:47,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 20:46:47,845 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 -> f560e32afd5a40adf4a98abbf810cb377947c4f4 [2019-01-01 20:46:47,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 20:46:47,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 20:46:47,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 20:46:47,912 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 20:46:47,912 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 20:46:47,914 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2019-01-01 20:46:47,970 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4cd2c3a/365fc51a143040f0b2b80d1aff91353e/FLAG783cb86ca [2019-01-01 20:46:48,397 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 20:46:48,398 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2019-01-01 20:46:48,404 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4cd2c3a/365fc51a143040f0b2b80d1aff91353e/FLAG783cb86ca [2019-01-01 20:46:48,774 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4cd2c3a/365fc51a143040f0b2b80d1aff91353e [2019-01-01 20:46:48,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 20:46:48,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 20:46:48,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 20:46:48,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 20:46:48,785 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 20:46:48,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:46:48" (1/1) ... [2019-01-01 20:46:48,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283bee70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:48, skipping insertion in model container [2019-01-01 20:46:48,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:46:48" (1/1) ... [2019-01-01 20:46:48,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 20:46:48,823 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 20:46:49,051 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:46:49,056 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 20:46:49,080 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:46:49,099 INFO L195 MainTranslator]: Completed translation [2019-01-01 20:46:49,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49 WrapperNode [2019-01-01 20:46:49,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 20:46:49,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 20:46:49,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 20:46:49,101 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 20:46:49,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (1/1) ... [2019-01-01 20:46:49,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (1/1) ... [2019-01-01 20:46:49,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 20:46:49,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 20:46:49,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 20:46:49,143 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 20:46:49,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (1/1) ... [2019-01-01 20:46:49,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (1/1) ... [2019-01-01 20:46:49,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (1/1) ... [2019-01-01 20:46:49,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (1/1) ... [2019-01-01 20:46:49,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (1/1) ... [2019-01-01 20:46:49,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (1/1) ... [2019-01-01 20:46:49,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (1/1) ... [2019-01-01 20:46:49,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 20:46:49,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 20:46:49,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 20:46:49,173 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 20:46:49,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:46:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 20:46:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 20:46:49,590 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 20:46:49,591 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 20:46:49,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:46:49 BoogieIcfgContainer [2019-01-01 20:46:49,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 20:46:49,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 20:46:49,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 20:46:49,598 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 20:46:49,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 08:46:48" (1/3) ... [2019-01-01 20:46:49,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3ff0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:46:49, skipping insertion in model container [2019-01-01 20:46:49,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:49" (2/3) ... [2019-01-01 20:46:49,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3ff0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:46:49, skipping insertion in model container [2019-01-01 20:46:49,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:46:49" (3/3) ... [2019-01-01 20:46:49,604 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2019-01-01 20:46:49,622 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 20:46:49,631 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-01 20:46:49,654 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-01 20:46:49,692 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 20:46:49,693 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 20:46:49,693 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 20:46:49,693 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 20:46:49,694 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 20:46:49,694 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 20:46:49,694 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 20:46:49,694 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 20:46:49,694 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 20:46:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-01-01 20:46:49,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-01 20:46:49,730 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:46:49,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-01 20:46:49,739 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:46:49,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:46:49,752 INFO L82 PathProgramCache]: Analyzing trace with hash 29684842, now seen corresponding path program 1 times [2019-01-01 20:46:49,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:46:49,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:46:49,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:49,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:46:49,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:46:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:46:49,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:46:49,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:46:49,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 20:46:49,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 20:46:49,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 20:46:49,968 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2019-01-01 20:46:50,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:46:50,128 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2019-01-01 20:46:50,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 20:46:50,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-01 20:46:50,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:46:50,141 INFO L225 Difference]: With dead ends: 29 [2019-01-01 20:46:50,141 INFO L226 Difference]: Without dead ends: 16 [2019-01-01 20:46:50,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 20:46:50,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-01 20:46:50,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 11. [2019-01-01 20:46:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-01 20:46:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-01-01 20:46:50,177 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 5 [2019-01-01 20:46:50,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:46:50,178 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-01-01 20:46:50,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 20:46:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-01-01 20:46:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-01 20:46:50,178 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:46:50,179 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-01 20:46:50,179 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:46:50,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:46:50,179 INFO L82 PathProgramCache]: Analyzing trace with hash 29685034, now seen corresponding path program 1 times [2019-01-01 20:46:50,180 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:46:50,180 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:46:50,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:50,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:46:50,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:46:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:46:50,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:46:50,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:46:50,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 20:46:50,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 20:46:50,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 20:46:50,239 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 4 states. [2019-01-01 20:46:50,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:46:50,450 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-01-01 20:46:50,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 20:46:50,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-01 20:46:50,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:46:50,451 INFO L225 Difference]: With dead ends: 16 [2019-01-01 20:46:50,451 INFO L226 Difference]: Without dead ends: 15 [2019-01-01 20:46:50,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 20:46:50,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-01-01 20:46:50,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-01-01 20:46:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-01-01 20:46:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2019-01-01 20:46:50,460 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 5 [2019-01-01 20:46:50,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:46:50,460 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2019-01-01 20:46:50,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 20:46:50,461 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-01-01 20:46:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-01 20:46:50,461 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:46:50,461 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-01 20:46:50,462 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:46:50,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:46:50,462 INFO L82 PathProgramCache]: Analyzing trace with hash 920230152, now seen corresponding path program 1 times [2019-01-01 20:46:50,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:46:50,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:46:50,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:50,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:46:50,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:46:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:46:50,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:46:50,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:46:50,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:46:50,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:46:50,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:46:50,548 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 3 states. [2019-01-01 20:46:50,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:46:50,685 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2019-01-01 20:46:50,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:46:50,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-01 20:46:50,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:46:50,687 INFO L225 Difference]: With dead ends: 15 [2019-01-01 20:46:50,688 INFO L226 Difference]: Without dead ends: 14 [2019-01-01 20:46:50,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:46:50,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-01-01 20:46:50,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-01-01 20:46:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-01 20:46:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-01-01 20:46:50,694 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 6 [2019-01-01 20:46:50,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:46:50,694 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-01-01 20:46:50,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:46:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-01-01 20:46:50,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-01 20:46:50,696 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:46:50,696 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-01 20:46:50,697 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:46:50,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:46:50,697 INFO L82 PathProgramCache]: Analyzing trace with hash 920236110, now seen corresponding path program 1 times [2019-01-01 20:46:50,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:46:50,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:46:50,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:50,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:46:50,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:46:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:46:50,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:46:50,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:46:50,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:46:50,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:46:50,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:46:50,750 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2019-01-01 20:46:50,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:46:50,818 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2019-01-01 20:46:50,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:46:50,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-01 20:46:50,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:46:50,819 INFO L225 Difference]: With dead ends: 25 [2019-01-01 20:46:50,819 INFO L226 Difference]: Without dead ends: 14 [2019-01-01 20:46:50,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:46:50,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-01-01 20:46:50,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-01-01 20:46:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-01-01 20:46:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2019-01-01 20:46:50,827 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 6 [2019-01-01 20:46:50,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:46:50,827 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2019-01-01 20:46:50,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:46:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-01-01 20:46:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-01 20:46:50,828 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:46:50,828 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2019-01-01 20:46:50,828 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:46:50,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:46:50,830 INFO L82 PathProgramCache]: Analyzing trace with hash -22254369, now seen corresponding path program 1 times [2019-01-01 20:46:50,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:46:50,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:46:50,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:50,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:46:50,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:46:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:46:50,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 20:46:50,950 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 [2019-01-01 20:46:50,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:46:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:46:50,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 20:46:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:46:51,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-01 20:46:51,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 7 [2019-01-01 20:46:51,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 20:46:51,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 20:46:51,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-01-01 20:46:51,146 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 8 states. [2019-01-01 20:46:51,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:46:51,352 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2019-01-01 20:46:51,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 20:46:51,353 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2019-01-01 20:46:51,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:46:51,353 INFO L225 Difference]: With dead ends: 16 [2019-01-01 20:46:51,353 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 20:46:51,354 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-01-01 20:46:51,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 20:46:51,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 20:46:51,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 20:46:51,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 20:46:51,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-01-01 20:46:51,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:46:51,356 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 20:46:51,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 20:46:51,356 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 20:46:51,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 20:46:51,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-01 20:46:51,490 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-01 20:46:51,491 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2019-01-01 20:46:51,491 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-01-01 20:46:51,491 INFO L444 ceAbstractionStarter]: At program point L27(lines 13 28) the Hoare annotation is: (<= ULTIMATE.start_main_~m~0 2147483647) [2019-01-01 20:46:51,491 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-01-01 20:46:51,491 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-01-01 20:46:51,492 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2019-01-01 20:46:51,492 INFO L448 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2019-01-01 20:46:51,492 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 26) no Hoare annotation was computed. [2019-01-01 20:46:51,492 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 26) no Hoare annotation was computed. [2019-01-01 20:46:51,492 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2019-01-01 20:46:51,493 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-01 20:46:51,493 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-01 20:46:51,493 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-01-01 20:46:51,493 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 24) no Hoare annotation was computed. [2019-01-01 20:46:51,493 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 19 25) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~n~0 2147483647)) (.cse1 (< 0 ULTIMATE.start_main_~m~0))) (or (and .cse0 .cse1 (<= ULTIMATE.start_main_~m~0 ULTIMATE.start_main_~i~0) (<= ULTIMATE.start_main_~i~0 2147483647)) (and .cse0 (<= ULTIMATE.start_main_~m~0 2147483647) (<= (+ ULTIMATE.start_main_~m~0 ULTIMATE.start_main_~i~0) 2147483647) .cse1))) [2019-01-01 20:46:51,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 08:46:51 BoogieIcfgContainer [2019-01-01 20:46:51,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 20:46:51,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 20:46:51,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 20:46:51,507 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 20:46:51,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:46:49" (3/4) ... [2019-01-01 20:46:51,512 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 20:46:51,523 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 20:46:51,524 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-01 20:46:51,572 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 20:46:51,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 20:46:51,573 INFO L168 Benchmark]: Toolchain (without parser) took 2795.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -86.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2019-01-01 20:46:51,575 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:46:51,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.46 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 935.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:46:51,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.75 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:46:51,577 INFO L168 Benchmark]: Boogie Preprocessor took 29.47 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:46:51,577 INFO L168 Benchmark]: RCFGBuilder took 419.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-01 20:46:51,578 INFO L168 Benchmark]: TraceAbstraction took 1912.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. [2019-01-01 20:46:51,579 INFO L168 Benchmark]: Witness Printer took 65.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:46:51,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.46 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 935.2 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 41.75 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.47 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 419.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1912.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. * Witness Printer took 65.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 13]: Loop Invariant Derived loop invariant: m <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((n <= 2147483647 && 0 < m) && m <= i) && i <= 2147483647) || (((n <= 2147483647 && m <= 2147483647) && m + i <= 2147483647) && 0 < m) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. SAFE Result, 1.8s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 63 SDslu, 3 SDs, 0 SdLazy, 87 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 32 HoareAnnotationTreeSize, 2 FomulaSimplifications, 107 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 940 SizeOfPredicates, 1 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 3/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...