./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o3_false-unreach-call_true-termination_true-no-overflow.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o3_false-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/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 32bit --witnessprinter.graph.data.programhash 9b6c190b845f4496788acb9553cb85e1e7dace14 ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:43:37,545 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:43:37,547 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:43:37,555 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:43:37,556 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:43:37,556 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:43:37,557 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:43:37,559 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:43:37,560 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:43:37,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:43:37,561 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:43:37,561 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:43:37,563 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:43:37,563 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:43:37,564 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:43:37,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:43:37,566 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:43:37,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:43:37,569 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:43:37,570 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:43:37,571 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:43:37,572 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:43:37,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:43:37,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:43:37,574 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:43:37,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:43:37,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:43:37,577 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:43:37,577 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:43:37,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:43:37,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:43:37,579 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:43:37,579 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:43:37,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:43:37,580 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:43:37,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:43:37,581 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2018-11-22 22:43:37,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:43:37,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:43:37,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:43:37,593 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:43:37,593 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:43:37,594 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:43:37,594 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:43:37,594 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:43:37,594 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:43:37,595 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:43:37,595 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:43:37,595 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:43:37,595 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:43:37,596 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:43:37,596 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:43:37,596 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:43:37,597 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:43:37,597 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:43:37,597 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:43:37,597 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:43:37,597 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:43:37,597 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:43:37,597 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-22 22:43:37,598 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:43:37,598 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:43:37,598 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:43:37,598 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:43:37,600 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:43:37,600 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:43:37,600 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:43:37,600 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:43:37,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:43:37,601 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:43:37,601 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:43:37,601 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:43:37,601 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:43:37,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:43:37,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:43:37,601 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:43:37,602 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_22560af0-e284-47f0-9568-c8e27ca72987/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b6c190b845f4496788acb9553cb85e1e7dace14 [2018-11-22 22:43:37,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:43:37,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:43:37,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:43:37,634 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:43:37,634 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:43:37,635 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/../../sv-benchmarks/c/recursive-simple/id_o3_false-unreach-call_true-termination_true-no-overflow.c [2018-11-22 22:43:37,673 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/data/c3f7e39ac/33de46a350594faab1833d97d9691f49/FLAG380167f2b [2018-11-22 22:43:37,975 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:43:37,976 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/sv-benchmarks/c/recursive-simple/id_o3_false-unreach-call_true-termination_true-no-overflow.c [2018-11-22 22:43:37,980 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/data/c3f7e39ac/33de46a350594faab1833d97d9691f49/FLAG380167f2b [2018-11-22 22:43:37,989 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/data/c3f7e39ac/33de46a350594faab1833d97d9691f49 [2018-11-22 22:43:37,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:43:37,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:43:37,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:43:37,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:43:37,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:43:37,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:43:37" (1/1) ... [2018-11-22 22:43:37,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e45308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:37, skipping insertion in model container [2018-11-22 22:43:37,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:43:37" (1/1) ... [2018-11-22 22:43:38,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:43:38,014 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:43:38,119 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:43:38,121 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:43:38,130 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:43:38,139 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:43:38,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38 WrapperNode [2018-11-22 22:43:38,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:43:38,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:43:38,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:43:38,140 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:43:38,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (1/1) ... [2018-11-22 22:43:38,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (1/1) ... [2018-11-22 22:43:38,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:43:38,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:43:38,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:43:38,153 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:43:38,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (1/1) ... [2018-11-22 22:43:38,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (1/1) ... [2018-11-22 22:43:38,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (1/1) ... [2018-11-22 22:43:38,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (1/1) ... [2018-11-22 22:43:38,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (1/1) ... [2018-11-22 22:43:38,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (1/1) ... [2018-11-22 22:43:38,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (1/1) ... [2018-11-22 22:43:38,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:43:38,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:43:38,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:43:38,166 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:43:38,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/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 [2018-11-22 22:43:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:43:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:43:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:43:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:43:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:43:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:43:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-22 22:43:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-22 22:43:38,353 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:43:38,353 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-22 22:43:38,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:43:38 BoogieIcfgContainer [2018-11-22 22:43:38,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:43:38,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:43:38,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:43:38,357 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:43:38,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:43:37" (1/3) ... [2018-11-22 22:43:38,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598ac472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:43:38, skipping insertion in model container [2018-11-22 22:43:38,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:43:38" (2/3) ... [2018-11-22 22:43:38,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598ac472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:43:38, skipping insertion in model container [2018-11-22 22:43:38,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:43:38" (3/3) ... [2018-11-22 22:43:38,361 INFO L112 eAbstractionObserver]: Analyzing ICFG id_o3_false-unreach-call_true-termination_true-no-overflow.c [2018-11-22 22:43:38,368 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:43:38,373 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-22 22:43:38,384 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-22 22:43:38,413 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:43:38,413 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:43:38,414 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:43:38,414 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:43:38,414 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:43:38,414 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:43:38,414 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:43:38,414 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:43:38,430 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-22 22:43:38,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:43:38,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 19 states. [2018-11-22 22:43:38,497 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-22 22:43:38,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:43:38,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:43:38,498 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-22 22:43:38,498 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:43:38,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:43:38,499 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 9 15) the Hoare annotation is: true [2018-11-22 22:43:38,499 INFO L448 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-11-22 22:43:38,499 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 14) no Hoare annotation was computed. [2018-11-22 22:43:38,499 INFO L451 ceAbstractionStarter]: At program point L11(line 11) the Hoare annotation is: true [2018-11-22 22:43:38,499 INFO L448 ceAbstractionStarter]: For program point L11-1(line 11) no Hoare annotation was computed. [2018-11-22 22:43:38,499 INFO L448 ceAbstractionStarter]: For program point L12-2(lines 9 15) no Hoare annotation was computed. [2018-11-22 22:43:38,499 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 9 15) no Hoare annotation was computed. [2018-11-22 22:43:38,499 INFO L448 ceAbstractionStarter]: For program point idFINAL(lines 4 7) no Hoare annotation was computed. [2018-11-22 22:43:38,499 INFO L448 ceAbstractionStarter]: For program point idEXIT(lines 4 7) no Hoare annotation was computed. [2018-11-22 22:43:38,500 INFO L451 ceAbstractionStarter]: At program point idENTRY(lines 4 7) the Hoare annotation is: true [2018-11-22 22:43:38,500 INFO L451 ceAbstractionStarter]: At program point L6(line 6) the Hoare annotation is: true [2018-11-22 22:43:38,500 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-22 22:43:38,500 INFO L448 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2018-11-22 22:43:38,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:43:38 BoogieIcfgContainer [2018-11-22 22:43:38,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:43:38,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:43:38,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:43:38,505 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:43:38,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:43:38" (3/4) ... [2018-11-22 22:43:38,509 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:43:38,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:43:38,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:43:38,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2018-11-22 22:43:38,521 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-22 22:43:38,521 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:43:38,521 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:43:38,558 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22560af0-e284-47f0-9568-c8e27ca72987/bin-2019/utaipan/witness.graphml [2018-11-22 22:43:38,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:43:38,559 INFO L168 Benchmark]: Toolchain (without parser) took 567.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:43:38,560 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:43:38,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.39 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:43:38,561 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.28 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:43:38,561 INFO L168 Benchmark]: Boogie Preprocessor took 12.16 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:43:38,562 INFO L168 Benchmark]: RCFGBuilder took 188.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -203.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:43:38,562 INFO L168 Benchmark]: TraceAbstraction took 149.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:43:38,563 INFO L168 Benchmark]: Witness Printer took 53.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:43:38,566 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.39 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 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 13.28 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.16 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 188.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -203.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 149.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Witness Printer took 53.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 7 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...