./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8_false-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/NoriSharma-FSE2013-Fig8_false-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 00d107e65807c328c5ca82cfbd5c365270dccab4 ........................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 01:19:19,610 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:19:19,611 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:19:19,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:19:19,630 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:19:19,632 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:19:19,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:19:19,635 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:19:19,639 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:19:19,640 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:19:19,641 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:19:19,641 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:19:19,642 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:19:19,643 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:19:19,645 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:19:19,645 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:19:19,646 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:19:19,648 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:19:19,650 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:19:19,652 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:19:19,653 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:19:19,654 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:19:19,656 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:19:19,657 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:19:19,657 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:19:19,658 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:19:19,659 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:19:19,659 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:19:19,660 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:19:19,661 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:19:19,661 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:19:19,662 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:19:19,662 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:19:19,662 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:19:19,663 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:19:19,664 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:19:19,664 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 01:19:19,679 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:19:19,679 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:19:19,680 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:19:19,680 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:19:19,680 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:19:19,681 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:19:19,681 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:19:19,681 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:19:19,681 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:19:19,681 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:19:19,682 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:19:19,682 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:19:19,682 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:19:19,682 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:19:19,682 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:19:19,682 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:19:19,683 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:19:19,683 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:19:19,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:19:19,683 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:19:19,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:19:19,683 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:19:19,684 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:19:19,684 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:19:19,684 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:19:19,684 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:19:19,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:19:19,684 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 -> 00d107e65807c328c5ca82cfbd5c365270dccab4 [2019-01-14 01:19:19,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:19:19,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:19:19,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:19:19,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:19:19,759 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:19:19,761 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8_false-no-overflow.c [2019-01-14 01:19:19,827 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3d89234/1aece67916e34836a243f89e278cd273/FLAG0f1665334 [2019-01-14 01:19:20,266 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:19:20,266 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8_false-no-overflow.c [2019-01-14 01:19:20,273 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3d89234/1aece67916e34836a243f89e278cd273/FLAG0f1665334 [2019-01-14 01:19:20,654 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3d89234/1aece67916e34836a243f89e278cd273 [2019-01-14 01:19:20,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:19:20,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:19:20,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:19:20,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:19:20,664 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:19:20,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5b385c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20, skipping insertion in model container [2019-01-14 01:19:20,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:19:20,693 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:19:20,850 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:19:20,855 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:19:20,874 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:19:20,889 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:19:20,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20 WrapperNode [2019-01-14 01:19:20,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:19:20,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:19:20,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:19:20,890 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:19:20,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:19:20,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:19:20,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:19:20,930 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:19:20,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (1/1) ... [2019-01-14 01:19:20,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:19:20,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:19:20,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:19:20,968 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:19:20,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (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 01:19:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:19:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:19:21,490 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:19:21,490 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 01:19:21,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:19:21 BoogieIcfgContainer [2019-01-14 01:19:21,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:19:21,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:19:21,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:19:21,498 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:19:21,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:19:20" (1/3) ... [2019-01-14 01:19:21,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159c95ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:19:21, skipping insertion in model container [2019-01-14 01:19:21,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:19:20" (2/3) ... [2019-01-14 01:19:21,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159c95ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:19:21, skipping insertion in model container [2019-01-14 01:19:21,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:19:21" (3/3) ... [2019-01-14 01:19:21,502 INFO L112 eAbstractionObserver]: Analyzing ICFG NoriSharma-FSE2013-Fig8_false-no-overflow.c [2019-01-14 01:19:21,512 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:19:21,523 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-01-14 01:19:21,538 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-01-14 01:19:21,577 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:19:21,578 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:19:21,578 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:19:21,579 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:19:21,579 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:19:21,579 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:19:21,579 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:19:21,579 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:19:21,579 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:19:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-01-14 01:19:21,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-14 01:19:21,612 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:19:21,613 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-14 01:19:21,618 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:19:21,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:19:21,625 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-01-14 01:19:21,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:19:21,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:19:21,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:19:21,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:19:21,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:19:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:19:21,786 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 01:19:21,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:19:21,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:19:21,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:19:21,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:19:21,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:19:21,805 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2019-01-14 01:19:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:19:21,904 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2019-01-14 01:19:21,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:19:21,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-01-14 01:19:21,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:19:21,915 INFO L225 Difference]: With dead ends: 35 [2019-01-14 01:19:21,915 INFO L226 Difference]: Without dead ends: 22 [2019-01-14 01:19:21,918 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:19:21,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-14 01:19:21,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2019-01-14 01:19:21,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-14 01:19:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-01-14 01:19:21,955 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 3 [2019-01-14 01:19:21,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:19:21,955 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-01-14 01:19:21,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:19:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-14 01:19:21,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 01:19:21,956 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:19:21,956 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 01:19:21,957 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:19:21,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:19:21,957 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2019-01-14 01:19:21,958 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:19:21,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:19:21,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:19:21,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:19:21,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:19:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:19:22,009 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 01:19:22,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:19:22,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:19:22,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:19:22,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:19:22,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:19:22,012 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 3 states. [2019-01-14 01:19:22,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:19:22,036 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-01-14 01:19:22,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:19:22,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 01:19:22,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:19:22,038 INFO L225 Difference]: With dead ends: 21 [2019-01-14 01:19:22,038 INFO L226 Difference]: Without dead ends: 20 [2019-01-14 01:19:22,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:19:22,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-14 01:19:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-01-14 01:19:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-01-14 01:19:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-01-14 01:19:22,044 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 4 [2019-01-14 01:19:22,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:19:22,044 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-01-14 01:19:22,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:19:22,044 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-01-14 01:19:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 01:19:22,045 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:19:22,045 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 01:19:22,045 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:19:22,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:19:22,046 INFO L82 PathProgramCache]: Analyzing trace with hash 925739533, now seen corresponding path program 1 times [2019-01-14 01:19:22,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:19:22,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:19:22,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:19:22,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:19:22,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:19:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:19:22,083 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 01:19:22,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:19:22,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:19:22,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:19:22,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:19:22,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:19:22,085 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 3 states. [2019-01-14 01:19:22,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:19:22,149 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-01-14 01:19:22,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:19:22,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-14 01:19:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:19:22,150 INFO L225 Difference]: With dead ends: 20 [2019-01-14 01:19:22,150 INFO L226 Difference]: Without dead ends: 19 [2019-01-14 01:19:22,151 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:19:22,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-01-14 01:19:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-01-14 01:19:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-14 01:19:22,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-01-14 01:19:22,154 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 6 [2019-01-14 01:19:22,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:19:22,155 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-01-14 01:19:22,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:19:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-01-14 01:19:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 01:19:22,156 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:19:22,156 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 01:19:22,156 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:19:22,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:19:22,157 INFO L82 PathProgramCache]: Analyzing trace with hash 925739853, now seen corresponding path program 1 times [2019-01-14 01:19:22,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:19:22,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:19:22,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:19:22,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:19:22,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:19:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 01:19:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 01:19:22,206 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 01:19:22,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:19:22 BoogieIcfgContainer [2019-01-14 01:19:22,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:19:22,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:19:22,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:19:22,223 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:19:22,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:19:21" (3/4) ... [2019-01-14 01:19:22,225 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 01:19:22,265 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:19:22,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:19:22,266 INFO L168 Benchmark]: Toolchain (without parser) took 1607.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-01-14 01:19:22,268 INFO L168 Benchmark]: CDTParser took 0.23 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 01:19:22,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:19:22,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.75 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:19:22,271 INFO L168 Benchmark]: Boogie Preprocessor took 38.24 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:19:22,271 INFO L168 Benchmark]: RCFGBuilder took 524.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-14 01:19:22,272 INFO L168 Benchmark]: TraceAbstraction took 728.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2019-01-14 01:19:22,273 INFO L168 Benchmark]: Witness Printer took 42.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:19:22,277 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 229.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.75 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.24 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 524.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 728.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Witness Printer took 42.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 29]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int c, u, v, w, x, y, z; [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] u = x [L20] v = y [L21] w = z [L22] c = 0 [L23] COND TRUE x >= y [L24] EXPR c + 1 [L24] c = c + 1 [L25] COND FALSE !(z > 1) [L29] y + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 8 error locations. UNSAFE Result, 0.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 46 SDtfs, 33 SDslu, 19 SDs, 0 SdLazy, 18 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...