./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector/jain_2_true-unreach-call_true-no-overflow_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_2_true-unreach-call_true-no-overflow_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b70c5dcba90c3c3859d85eed011d9ca69f1abfa ........................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:42:48,034 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:42:48,035 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:42:48,044 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:42:48,045 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:42:48,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:42:48,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:42:48,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:42:48,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:42:48,050 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:42:48,051 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:42:48,051 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:42:48,052 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:42:48,053 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:42:48,054 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:42:48,055 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:42:48,055 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:42:48,057 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:42:48,058 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:42:48,060 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:42:48,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:42:48,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:42:48,064 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:42:48,064 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:42:48,064 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:42:48,065 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:42:48,066 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:42:48,066 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:42:48,067 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:42:48,068 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:42:48,068 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:42:48,069 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:42:48,069 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:42:48,069 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:42:48,070 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:42:48,070 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:42:48,071 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:42:48,082 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:42:48,082 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:42:48,083 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:42:48,083 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:42:48,083 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:42:48,083 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:42:48,083 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:42:48,084 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:42:48,084 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:42:48,084 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:42:48,084 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:42:48,084 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:42:48,085 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:42:48,085 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:42:48,085 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:42:48,085 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:42:48,085 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:42:48,085 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:42:48,085 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:42:48,085 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:42:48,086 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:42:48,086 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:42:48,086 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:42:48,086 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:42:48,086 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:42:48,086 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:42:48,086 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:42:48,089 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:42:48,089 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:42:48,089 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:42:48,089 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:42:48,089 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:42:48,089 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:42:48,090 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:42:48,090 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_3506d23e-f8f3-40ef-9961-2ab909671f04/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 ! call(__VERIFIER_error())) ) 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 -> 3b70c5dcba90c3c3859d85eed011d9ca69f1abfa [2018-10-27 00:42:48,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:42:48,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:42:48,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:42:48,129 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:42:48,130 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:42:48,130 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/../../sv-benchmarks/c/bitvector/jain_2_true-unreach-call_true-no-overflow_false-termination.i [2018-10-27 00:42:48,176 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/data/341eace96/18c219dc1a6c4b9cbbbf2b7d66f95649/FLAG00aa5b4b1 [2018-10-27 00:42:48,555 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:42:48,556 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/sv-benchmarks/c/bitvector/jain_2_true-unreach-call_true-no-overflow_false-termination.i [2018-10-27 00:42:48,561 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/data/341eace96/18c219dc1a6c4b9cbbbf2b7d66f95649/FLAG00aa5b4b1 [2018-10-27 00:42:48,571 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/data/341eace96/18c219dc1a6c4b9cbbbf2b7d66f95649 [2018-10-27 00:42:48,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:42:48,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:42:48,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:42:48,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:42:48,580 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:42:48,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ed68ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48, skipping insertion in model container [2018-10-27 00:42:48,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:42:48,606 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:42:48,715 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:42:48,718 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:42:48,728 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:42:48,739 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:42:48,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48 WrapperNode [2018-10-27 00:42:48,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:42:48,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:42:48,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:42:48,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:42:48,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:42:48,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:42:48,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:42:48,759 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:42:48,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (1/1) ... [2018-10-27 00:42:48,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:42:48,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:42:48,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:42:48,778 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:42:48,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/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 [2018-10-27 00:42:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:42:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:42:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:42:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:42:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:42:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:42:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 00:42:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 00:42:49,151 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:42:49,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:42:49 BoogieIcfgContainer [2018-10-27 00:42:49,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:42:49,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:42:49,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:42:49,154 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:42:49,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:42:48" (1/3) ... [2018-10-27 00:42:49,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af1c087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:42:49, skipping insertion in model container [2018-10-27 00:42:49,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:42:48" (2/3) ... [2018-10-27 00:42:49,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af1c087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:42:49, skipping insertion in model container [2018-10-27 00:42:49,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:42:49" (3/3) ... [2018-10-27 00:42:49,157 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_2_true-unreach-call_true-no-overflow_false-termination.i [2018-10-27 00:42:49,166 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:42:49,173 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:42:49,187 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:42:49,214 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:42:49,214 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:42:49,214 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:42:49,215 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:42:49,215 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:42:49,215 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:42:49,215 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:42:49,215 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:42:49,230 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-10-27 00:42:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 00:42:49,235 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:42:49,236 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:42:49,238 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:42:49,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:42:49,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1863838843, now seen corresponding path program 1 times [2018-10-27 00:42:49,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:42:49,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:42:49,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:42:49,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:42:49,291 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:42:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:42:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:42:49,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:42:49,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:42:49,651 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:42:49,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:42:49,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:42:49,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:42:49,666 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 6 states. [2018-10-27 00:42:49,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:42:49,783 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2018-10-27 00:42:49,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:42:49,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-10-27 00:42:49,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:42:49,790 INFO L225 Difference]: With dead ends: 28 [2018-10-27 00:42:49,790 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:42:49,793 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:42:49,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:42:49,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:42:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:42:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:42:49,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-10-27 00:42:49,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:42:49,812 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:42:49,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:42:49,812 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:42:49,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:42:49,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:42:49,868 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-27 00:42:49,868 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:42:49,868 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:42:49,868 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 00:42:49,869 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:42:49,869 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:42:49,869 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 26) the Hoare annotation is: true [2018-10-27 00:42:49,869 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 26) no Hoare annotation was computed. [2018-10-27 00:42:49,869 INFO L421 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: (<= (+ main_~x~0 main_~y~0 2) (* 2 (div (+ main_~x~0 (+ main_~y~0 2)) 2))) [2018-10-27 00:42:49,869 INFO L421 ceAbstractionStarter]: At program point L23-1(lines 17 24) the Hoare annotation is: (<= (+ main_~x~0 main_~y~0 2) (* 2 (div (+ main_~x~0 (+ main_~y~0 2)) 2))) [2018-10-27 00:42:49,869 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 24) no Hoare annotation was computed. [2018-10-27 00:42:49,869 INFO L425 ceAbstractionStarter]: For program point L17-3(lines 17 24) no Hoare annotation was computed. [2018-10-27 00:42:49,870 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 26) no Hoare annotation was computed. [2018-10-27 00:42:49,870 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-10-27 00:42:49,870 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-10-27 00:42:49,870 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-10-27 00:42:49,870 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-10-27 00:42:49,870 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-10-27 00:42:49,870 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-10-27 00:42:49,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:42:49 BoogieIcfgContainer [2018-10-27 00:42:49,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:42:49,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:42:49,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:42:49,880 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:42:49,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:42:49" (3/4) ... [2018-10-27 00:42:49,883 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:42:49,888 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:42:49,888 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:42:49,889 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-27 00:42:49,892 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-27 00:42:49,892 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 00:42:49,892 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 00:42:49,932 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3506d23e-f8f3-40ef-9961-2ab909671f04/bin-2019/utaipan/witness.graphml [2018-10-27 00:42:49,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:42:49,933 INFO L168 Benchmark]: Toolchain (without parser) took 1359.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:42:49,935 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:42:49,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.90 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 943.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:42:49,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.97 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:42:49,936 INFO L168 Benchmark]: Boogie Preprocessor took 18.58 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:42:49,936 INFO L168 Benchmark]: RCFGBuilder took 373.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:42:49,937 INFO L168 Benchmark]: TraceAbstraction took 727.61 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:42:49,937 INFO L168 Benchmark]: Witness Printer took 52.76 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. [2018-10-27 00:42:49,940 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.90 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 943.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.97 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.58 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 373.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 727.61 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 52.76 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: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: x + y + 2 <= 2 * ((x + (y + 2)) / 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 7 SDslu, 26 SDs, 0 SdLazy, 14 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 33 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...