./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/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 0.1.23-635dfa2 [2018-12-09 10:19:07,593 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:19:07,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:19:07,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:19:07,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:19:07,601 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:19:07,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:19:07,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:19:07,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:19:07,603 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:19:07,603 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:19:07,604 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:19:07,604 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:19:07,605 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:19:07,605 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:19:07,605 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:19:07,606 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:19:07,607 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:19:07,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:19:07,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:19:07,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:19:07,609 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:19:07,610 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:19:07,610 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:19:07,610 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:19:07,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:19:07,611 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:19:07,612 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:19:07,612 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:19:07,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:19:07,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:19:07,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:19:07,613 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:19:07,613 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:19:07,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:19:07,614 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:19:07,614 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-12-09 10:19:07,621 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:19:07,621 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:19:07,622 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:19:07,622 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:19:07,622 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:19:07,622 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:19:07,622 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:19:07,622 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:19:07,622 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:19:07,622 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:19:07,622 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:19:07,622 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:19:07,623 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:19:07,623 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:19:07,623 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 10:19:07,623 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:19:07,623 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:19:07,623 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:19:07,623 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:19:07,623 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:19:07,623 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 10:19:07,623 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:19:07,624 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:19:07,624 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:19:07,624 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:19:07,624 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:19:07,624 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:19:07,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:19:07,624 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:19:07,624 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:19:07,624 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:19:07,624 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:19:07,624 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:19:07,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:19:07,625 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:19:07,625 INFO L133 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/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/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 [2018-12-09 10:19:07,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:19:07,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:19:07,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:19:07,654 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:19:07,654 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:19:07,655 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/../../sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c [2018-12-09 10:19:07,691 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/data/35deb9198/a8184e55a3224dc4bb062bf49ff7bbaa/FLAG0488b3aad [2018-12-09 10:19:08,105 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:19:08,105 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c [2018-12-09 10:19:08,109 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/data/35deb9198/a8184e55a3224dc4bb062bf49ff7bbaa/FLAG0488b3aad [2018-12-09 10:19:08,118 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/data/35deb9198/a8184e55a3224dc4bb062bf49ff7bbaa [2018-12-09 10:19:08,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:19:08,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:19:08,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:19:08,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:19:08,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:19:08,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753418dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08, skipping insertion in model container [2018-12-09 10:19:08,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:19:08,141 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:19:08,240 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:19:08,243 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:19:08,253 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:19:08,261 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:19:08,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08 WrapperNode [2018-12-09 10:19:08,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:19:08,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:19:08,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:19:08,263 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:19:08,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:19:08,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:19:08,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:19:08,274 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:19:08,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (1/1) ... [2018-12-09 10:19:08,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:19:08,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:19:08,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:19:08,286 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:19:08,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/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 [2018-12-09 10:19:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:19:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:19:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure le [2018-12-09 10:19:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure le [2018-12-09 10:19:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:19:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:19:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:19:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:19:08,450 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:19:08,450 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 10:19:08,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:19:08 BoogieIcfgContainer [2018-12-09 10:19:08,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:19:08,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:19:08,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:19:08,453 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:19:08,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:19:08" (1/3) ... [2018-12-09 10:19:08,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633de5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:19:08, skipping insertion in model container [2018-12-09 10:19:08,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:19:08" (2/3) ... [2018-12-09 10:19:08,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633de5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:19:08, skipping insertion in model container [2018-12-09 10:19:08,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:19:08" (3/3) ... [2018-12-09 10:19:08,454 INFO L112 eAbstractionObserver]: Analyzing ICFG LeUserDefRec_true-termination_true-no-overflow.c [2018-12-09 10:19:08,460 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:19:08,464 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-12-09 10:19:08,473 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-12-09 10:19:08,490 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:19:08,490 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:19:08,490 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:19:08,490 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:19:08,490 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:19:08,491 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:19:08,491 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:19:08,491 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:19:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-12-09 10:19:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 10:19:08,504 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:19:08,504 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:19:08,505 INFO L423 AbstractCegarLoop]: === Iteration 1 === [leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 10:19:08,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:19:08,508 INFO L82 PathProgramCache]: Analyzing trace with hash -73159692, now seen corresponding path program 1 times [2018-12-09 10:19:08,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:19:08,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:19:08,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:19:08,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:19:08,539 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:19:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:19:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:19:08,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:19:08,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 10:19:08,608 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:19:08,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:19:08,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:19:08,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:19:08,619 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2018-12-09 10:19:08,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:19:08,671 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2018-12-09 10:19:08,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 10:19:08,673 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-12-09 10:19:08,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:19:08,678 INFO L225 Difference]: With dead ends: 27 [2018-12-09 10:19:08,678 INFO L226 Difference]: Without dead ends: 18 [2018-12-09 10:19:08,680 INFO L631 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 [2018-12-09 10:19:08,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-12-09 10:19:08,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-12-09 10:19:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-12-09 10:19:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-12-09 10:19:08,700 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2018-12-09 10:19:08,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:19:08,700 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-12-09 10:19:08,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:19:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-12-09 10:19:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 10:19:08,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:19:08,701 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:19:08,701 INFO L423 AbstractCegarLoop]: === Iteration 2 === [leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 10:19:08,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:19:08,701 INFO L82 PathProgramCache]: Analyzing trace with hash 2027016882, now seen corresponding path program 1 times [2018-12-09 10:19:08,701 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:19:08,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:19:08,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:19:08,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:19:08,702 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:19:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:19:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:19:08,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:19:08,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:19:08,724 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:19:08,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:19:08,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:19:08,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:19:08,725 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 3 states. [2018-12-09 10:19:08,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:19:08,729 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-12-09 10:19:08,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:19:08,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-09 10:19:08,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:19:08,730 INFO L225 Difference]: With dead ends: 18 [2018-12-09 10:19:08,730 INFO L226 Difference]: Without dead ends: 17 [2018-12-09 10:19:08,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:19:08,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-12-09 10:19:08,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-12-09 10:19:08,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-09 10:19:08,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-12-09 10:19:08,733 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 12 [2018-12-09 10:19:08,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:19:08,733 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-12-09 10:19:08,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:19:08,733 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-12-09 10:19:08,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:19:08,734 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:19:08,734 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:19:08,734 INFO L423 AbstractCegarLoop]: === Iteration 3 === [leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 10:19:08,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:19:08,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1586986058, now seen corresponding path program 1 times [2018-12-09 10:19:08,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:19:08,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:19:08,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:19:08,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:19:08,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:19:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:19:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:19:08,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:19:08,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 10:19:08,757 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:19:08,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:19:08,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:19:08,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:19:08,757 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 5 states. [2018-12-09 10:19:08,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:19:08,781 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-12-09 10:19:08,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 10:19:08,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-12-09 10:19:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:19:08,782 INFO L225 Difference]: With dead ends: 17 [2018-12-09 10:19:08,782 INFO L226 Difference]: Without dead ends: 16 [2018-12-09 10:19:08,782 INFO L631 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 [2018-12-09 10:19:08,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-12-09 10:19:08,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-12-09 10:19:08,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-09 10:19:08,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-12-09 10:19:08,785 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2018-12-09 10:19:08,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:19:08,785 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-12-09 10:19:08,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:19:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-12-09 10:19:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:19:08,785 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:19:08,785 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:19:08,785 INFO L423 AbstractCegarLoop]: === Iteration 4 === [leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 10:19:08,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:19:08,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1951927500, now seen corresponding path program 1 times [2018-12-09 10:19:08,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:19:08,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:19:08,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:19:08,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:19:08,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:19:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:19:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:19:08,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:19:08,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:19:08,799 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:19:08,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:19:08,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:19:08,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:19:08,800 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2018-12-09 10:19:08,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:19:08,804 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-12-09 10:19:08,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:19:08,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-12-09 10:19:08,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:19:08,805 INFO L225 Difference]: With dead ends: 16 [2018-12-09 10:19:08,805 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:19:08,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:19:08,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:19:08,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:19:08,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:19:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:19:08,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-12-09 10:19:08,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:19:08,806 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:19:08,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:19:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:19:08,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:19:08,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:19:08,855 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 10:19:08,855 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point leFINAL(lines 41 47) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point leEXIT(lines 41 47) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L451 ceAbstractionStarter]: At program point leENTRY(lines 41 47) the Hoare annotation is: true [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 46) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point L43-1(line 43) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point L43-2(line 43) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point L43-3(line 43) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L444 ceAbstractionStarter]: At program point L43-4(line 43) the Hoare annotation is: (or (< 2147483647 |le_#in~y|) (and (<= le_~y 2147483647) (<= 1 le_~x) (<= le_~x 2147483647) (<= 1 le_~y)) (< 2147483647 |le_#in~x|)) [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point L43-5(line 43) no Hoare annotation was computed. [2018-12-09 10:19:08,856 INFO L448 ceAbstractionStarter]: For program point leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2018-12-09 10:19:08,857 INFO L448 ceAbstractionStarter]: For program point leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2018-12-09 10:19:08,857 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:19:08,857 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 10:19:08,857 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:19:08,857 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:19:08,857 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 21 31) the Hoare annotation is: true [2018-12-09 10:19:08,857 INFO L444 ceAbstractionStarter]: At program point L29(line 29) the Hoare annotation is: (and (<= main_~x~0 2147483647) (<= main_~y~0 2147483647)) [2018-12-09 10:19:08,857 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 21 31) no Hoare annotation was computed. [2018-12-09 10:19:08,857 INFO L448 ceAbstractionStarter]: For program point L29-1(line 29) no Hoare annotation was computed. [2018-12-09 10:19:08,857 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-12-09 10:19:08,857 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 21 31) no Hoare annotation was computed. [2018-12-09 10:19:08,857 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 24) no Hoare annotation was computed. [2018-12-09 10:19:08,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:19:08 BoogieIcfgContainer [2018-12-09 10:19:08,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:19:08,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:19:08,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:19:08,860 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:19:08,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:19:08" (3/4) ... [2018-12-09 10:19:08,862 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:19:08,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:19:08,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure le [2018-12-09 10:19:08,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:19:08,870 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 10:19:08,870 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 10:19:08,870 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 10:19:08,894 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7068026d-e7f8-4319-b1c8-c95a54fb99ff/bin-2019/utaipan/witness.graphml [2018-12-09 10:19:08,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:19:08,895 INFO L168 Benchmark]: Toolchain (without parser) took 774.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -72.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:19:08,896 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:19:08,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.83 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:19:08,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.50 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:19:08,896 INFO L168 Benchmark]: Boogie Preprocessor took 11.19 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:19:08,897 INFO L168 Benchmark]: RCFGBuilder took 164.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:19:08,897 INFO L168 Benchmark]: TraceAbstraction took 408.48 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: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:19:08,897 INFO L168 Benchmark]: Witness Printer took 34.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:19:08,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.83 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 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 11.50 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.19 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 164.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 408.48 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: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. * Witness Printer took 34.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 4 error locations. SAFE Result, 0.3s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 SDtfs, 42 SDslu, 75 SDs, 0 SdLazy, 46 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 34 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...