./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 87d0ba70ff123101875b88252c232be93381362a ....................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:56:04,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:56:04,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:56:04,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:56:04,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:56:04,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:56:04,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:56:04,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:56:04,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:56:04,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:56:04,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:56:04,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:56:04,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:56:04,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:56:04,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:56:04,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:56:04,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:56:04,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:56:04,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:56:04,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:56:04,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:56:04,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:56:04,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:56:04,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:56:04,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:56:04,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:56:04,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:56:04,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:56:04,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:56:04,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:56:04,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:56:04,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:56:04,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:56:04,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:56:04,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:56:04,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:56:04,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:56:04,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:56:04,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:56:04,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:56:04,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:56:04,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2019-12-07 20:56:04,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:56:04,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:56:04,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:56:04,487 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:56:04,487 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:56:04,487 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:56:04,487 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:56:04,488 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:56:04,488 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:56:04,488 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:56:04,488 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:56:04,488 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:56:04,488 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:56:04,488 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:56:04,488 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:56:04,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:56:04,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 20:56:04,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:56:04,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:56:04,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:56:04,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:56:04,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:56:04,490 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 20:56:04,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:56:04,490 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:56:04,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:56:04,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:56:04,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:56:04,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:56:04,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:56:04,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:56:04,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:56:04,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:56:04,491 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:56:04,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:56:04,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:56:04,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:56:04,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:56:04,492 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan 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 -> Taipan 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 -> 87d0ba70ff123101875b88252c232be93381362a [2019-12-07 20:56:04,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:56:04,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:56:04,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:56:04,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:56:04,608 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:56:04,608 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2019-12-07 20:56:04,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/data/51ef4ee60/fe0bc86a88c04e1288d45957d512481c/FLAGf94198cf5 [2019-12-07 20:56:05,028 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:56:05,029 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2019-12-07 20:56:05,033 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/data/51ef4ee60/fe0bc86a88c04e1288d45957d512481c/FLAGf94198cf5 [2019-12-07 20:56:05,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/data/51ef4ee60/fe0bc86a88c04e1288d45957d512481c [2019-12-07 20:56:05,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:56:05,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:56:05,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:56:05,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:56:05,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:56:05,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8ebb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05, skipping insertion in model container [2019-12-07 20:56:05,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:56:05,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:56:05,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:56:05,539 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:56:05,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:56:05,589 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:56:05,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05 WrapperNode [2019-12-07 20:56:05,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:56:05,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:56:05,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:56:05,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:56:05,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:56:05,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:56:05,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:56:05,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:56:05,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (1/1) ... [2019-12-07 20:56:05,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:56:05,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:56:05,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:56:05,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:56:05,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/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 [2019-12-07 20:56:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure le [2019-12-07 20:56:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure le [2019-12-07 20:56:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:56:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:56:05,770 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:56:05,770 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 20:56:05,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:56:05 BoogieIcfgContainer [2019-12-07 20:56:05,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:56:05,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:56:05,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:56:05,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:56:05,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:56:05" (1/3) ... [2019-12-07 20:56:05,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cf75d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:56:05, skipping insertion in model container [2019-12-07 20:56:05,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:56:05" (2/3) ... [2019-12-07 20:56:05,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cf75d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:56:05, skipping insertion in model container [2019-12-07 20:56:05,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:56:05" (3/3) ... [2019-12-07 20:56:05,775 INFO L109 eAbstractionObserver]: Analyzing ICFG LeUserDefRec.c [2019-12-07 20:56:05,782 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:56:05,785 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-07 20:56:05,793 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-07 20:56:05,807 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:56:05,807 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:56:05,807 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:56:05,807 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:56:05,807 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:56:05,807 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:56:05,807 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:56:05,808 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:56:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-12-07 20:56:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 20:56:05,821 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:56:05,822 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:56:05,822 INFO L410 AbstractCegarLoop]: === Iteration 1 === [leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:56:05,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:56:05,826 INFO L82 PathProgramCache]: Analyzing trace with hash 306322899, now seen corresponding path program 1 times [2019-12-07 20:56:05,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:56:05,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58829122] [2019-12-07 20:56:05,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:56:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:56:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:56:05,946 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58829122] [2019-12-07 20:56:05,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:56:05,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 20:56:05,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462905824] [2019-12-07 20:56:05,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:56:05,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:56:05,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:56:05,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:56:05,961 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 5 states. [2019-12-07 20:56:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:56:06,015 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-12-07 20:56:06,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:56:06,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-12-07 20:56:06,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:56:06,022 INFO L225 Difference]: With dead ends: 21 [2019-12-07 20:56:06,022 INFO L226 Difference]: Without dead ends: 14 [2019-12-07 20:56:06,024 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:56:06,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-12-07 20:56:06,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-12-07 20:56:06,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 20:56:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2019-12-07 20:56:06,047 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2019-12-07 20:56:06,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:56:06,048 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2019-12-07 20:56:06,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:56:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2019-12-07 20:56:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 20:56:06,048 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:56:06,048 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:56:06,049 INFO L410 AbstractCegarLoop]: === Iteration 2 === [leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:56:06,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:56:06,049 INFO L82 PathProgramCache]: Analyzing trace with hash 906075314, now seen corresponding path program 1 times [2019-12-07 20:56:06,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:56:06,050 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420437182] [2019-12-07 20:56:06,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:56:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:56:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:56:06,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420437182] [2019-12-07 20:56:06,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:56:06,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:56:06,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339530214] [2019-12-07 20:56:06,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:56:06,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:56:06,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:56:06,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:56:06,073 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 3 states. [2019-12-07 20:56:06,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:56:06,078 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2019-12-07 20:56:06,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:56:06,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-07 20:56:06,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:56:06,079 INFO L225 Difference]: With dead ends: 14 [2019-12-07 20:56:06,079 INFO L226 Difference]: Without dead ends: 13 [2019-12-07 20:56:06,079 INFO L630 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 [2019-12-07 20:56:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-07 20:56:06,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-07 20:56:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 20:56:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-12-07 20:56:06,082 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 8 [2019-12-07 20:56:06,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:56:06,082 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-12-07 20:56:06,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:56:06,082 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-12-07 20:56:06,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 20:56:06,082 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:56:06,082 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:56:06,083 INFO L410 AbstractCegarLoop]: === Iteration 3 === [leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:56:06,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:56:06,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1976436299, now seen corresponding path program 1 times [2019-12-07 20:56:06,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:56:06,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702684150] [2019-12-07 20:56:06,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:56:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:56:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:56:06,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702684150] [2019-12-07 20:56:06,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:56:06,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 20:56:06,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810032582] [2019-12-07 20:56:06,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:56:06,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:56:06,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:56:06,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:56:06,109 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 5 states. [2019-12-07 20:56:06,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:56:06,133 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2019-12-07 20:56:06,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:56:06,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-12-07 20:56:06,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:56:06,134 INFO L225 Difference]: With dead ends: 13 [2019-12-07 20:56:06,134 INFO L226 Difference]: Without dead ends: 12 [2019-12-07 20:56:06,134 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:56:06,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-12-07 20:56:06,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-12-07 20:56:06,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 20:56:06,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-12-07 20:56:06,137 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-12-07 20:56:06,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:56:06,137 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-12-07 20:56:06,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:56:06,137 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-12-07 20:56:06,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:56:06,137 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:56:06,138 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:56:06,138 INFO L410 AbstractCegarLoop]: === Iteration 4 === [leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:56:06,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:56:06,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1139983084, now seen corresponding path program 1 times [2019-12-07 20:56:06,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:56:06,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071411456] [2019-12-07 20:56:06,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:56:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:56:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:56:06,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071411456] [2019-12-07 20:56:06,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:56:06,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:56:06,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312200977] [2019-12-07 20:56:06,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:56:06,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:56:06,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:56:06,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:56:06,154 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2019-12-07 20:56:06,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:56:06,158 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-12-07 20:56:06,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:56:06,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 20:56:06,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:56:06,159 INFO L225 Difference]: With dead ends: 12 [2019-12-07 20:56:06,159 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:56:06,160 INFO L630 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 [2019-12-07 20:56:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:56:06,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:56:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:56:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:56:06,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-12-07 20:56:06,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:56:06,160 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:56:06,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:56:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:56:06,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:56:06,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:56:06,206 INFO L246 CegarLoopResult]: For program point leFINAL(lines 41 47) no Hoare annotation was computed. [2019-12-07 20:56:06,206 INFO L246 CegarLoopResult]: For program point leEXIT(lines 41 47) no Hoare annotation was computed. [2019-12-07 20:56:06,206 INFO L249 CegarLoopResult]: At program point leENTRY(lines 41 47) the Hoare annotation is: true [2019-12-07 20:56:06,207 INFO L246 CegarLoopResult]: For program point leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2019-12-07 20:56:06,207 INFO L246 CegarLoopResult]: For program point leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2019-12-07 20:56:06,207 INFO L246 CegarLoopResult]: For program point leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2019-12-07 20:56:06,207 INFO L246 CegarLoopResult]: For program point leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2019-12-07 20:56:06,207 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-12-07 20:56:06,207 INFO L246 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2019-12-07 20:56:06,207 INFO L246 CegarLoopResult]: For program point L43-1(line 43) no Hoare annotation was computed. [2019-12-07 20:56:06,207 INFO L246 CegarLoopResult]: For program point L43-2(line 43) no Hoare annotation was computed. [2019-12-07 20:56:06,207 INFO L246 CegarLoopResult]: For program point L43-3(line 43) no Hoare annotation was computed. [2019-12-07 20:56:06,208 INFO L242 CegarLoopResult]: At program point L43-4(line 43) the Hoare annotation is: (or (not (<= |le_#in~y| 2147483647)) (and (<= le_~y 2147483647) (<= 1 le_~x) (<= le_~x 2147483647) (<= 1 le_~y)) (not (<= |le_#in~x| 2147483647))) [2019-12-07 20:56:06,208 INFO L246 CegarLoopResult]: For program point L43-5(line 43) no Hoare annotation was computed. [2019-12-07 20:56:06,208 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:56:06,208 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:56:06,208 INFO L242 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2019-12-07 20:56:06,208 INFO L246 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2019-12-07 20:56:06,208 INFO L246 CegarLoopResult]: For program point L26(lines 26 27) no Hoare annotation was computed. [2019-12-07 20:56:06,209 INFO L246 CegarLoopResult]: For program point L23(lines 23 24) no Hoare annotation was computed. [2019-12-07 20:56:06,209 INFO L242 CegarLoopResult]: At program point L21(lines 21 31) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647) [2019-12-07 20:56:06,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:56:06 BoogieIcfgContainer [2019-12-07 20:56:06,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:56:06,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:56:06,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:56:06,221 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:56:06,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:56:05" (3/4) ... [2019-12-07 20:56:06,224 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:56:06,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure le [2019-12-07 20:56:06,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:56:06,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 20:56:06,270 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0443565d-b208-4cdf-9ed9-680d030defa7/bin/utaipan/witness.graphml [2019-12-07 20:56:06,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:56:06,272 INFO L168 Benchmark]: Toolchain (without parser) took 857.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -72.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:06,272 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:56:06,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:06,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:56:06,274 INFO L168 Benchmark]: Boogie Preprocessor took 10.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:06,274 INFO L168 Benchmark]: RCFGBuilder took 150.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:06,274 INFO L168 Benchmark]: TraceAbstraction took 449.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:06,275 INFO L168 Benchmark]: Witness Printer took 48.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:56:06,277 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 150.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 449.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. * Witness Printer took 48.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: 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: 21]: Loop Invariant Derived loop invariant: x <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 4 error locations. Result: SAFE, OverallTime: 0.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 SDtfs, 42 SDslu, 36 SDs, 0 SdLazy, 47 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 33 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...