./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector/jain_6_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_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/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 161919999e14c9bb99eab96b7019d04a5349d1bb ....................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:31:00,966 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:31:00,968 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:31:00,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:31:00,978 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:31:00,979 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:31:00,980 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:31:00,982 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:31:00,983 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:31:00,984 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:31:00,985 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:31:00,985 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:31:00,987 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:31:00,988 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:31:00,989 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:31:00,989 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:31:00,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:31:00,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:31:00,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:31:00,996 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:31:00,997 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:31:00,998 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:31:01,000 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:31:01,000 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:31:01,001 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:31:01,002 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:31:01,003 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:31:01,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:31:01,005 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:31:01,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:31:01,006 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:31:01,007 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:31:01,007 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:31:01,008 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:31:01,008 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:31:01,009 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:31:01,009 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:31:01,023 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:31:01,023 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:31:01,024 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:31:01,024 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:31:01,024 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:31:01,024 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:31:01,024 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:31:01,025 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:31:01,025 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:31:01,025 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:31:01,025 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:31:01,027 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:31:01,027 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:31:01,027 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:31:01,028 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:31:01,028 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:31:01,028 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:31:01,028 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:31:01,028 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:31:01,028 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:31:01,029 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:31:01,029 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:31:01,029 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:31:01,029 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:31:01,029 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:31:01,029 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:31:01,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:31:01,030 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:31:01,030 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:31:01,030 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:31:01,030 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:31:01,031 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:31:01,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:31:01,031 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:31:01,031 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_1c8df520-e547-4a18-a806-42fa75a5bb14/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 -> 161919999e14c9bb99eab96b7019d04a5349d1bb [2018-10-26 22:31:01,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:31:01,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:31:01,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:31:01,086 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:31:01,086 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:31:01,087 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/../../sv-benchmarks/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i [2018-10-26 22:31:01,148 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/data/233a852a9/eb65d0e143cb4b419b95ff7895c448a6/FLAGde2eb4a77 [2018-10-26 22:31:01,579 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:31:01,580 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/sv-benchmarks/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i [2018-10-26 22:31:01,589 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/data/233a852a9/eb65d0e143cb4b419b95ff7895c448a6/FLAGde2eb4a77 [2018-10-26 22:31:01,605 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/data/233a852a9/eb65d0e143cb4b419b95ff7895c448a6 [2018-10-26 22:31:01,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:31:01,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:31:01,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:31:01,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:31:01,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:31:01,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62762ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01, skipping insertion in model container [2018-10-26 22:31:01,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:31:01,657 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:31:01,825 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:31:01,829 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:31:01,849 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:31:01,865 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:31:01,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01 WrapperNode [2018-10-26 22:31:01,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:31:01,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:31:01,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:31:01,867 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:31:01,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:31:01,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:31:01,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:31:01,890 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:31:01,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (1/1) ... [2018-10-26 22:31:01,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:31:01,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:31:01,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:31:01,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:31:01,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/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 [2018-10-26 22:31:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:31:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:31:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:31:02,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:31:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:31:02,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:31:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 22:31:02,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 22:31:02,214 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:31:02,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:31:02 BoogieIcfgContainer [2018-10-26 22:31:02,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:31:02,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:31:02,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:31:02,220 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:31:02,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:31:01" (1/3) ... [2018-10-26 22:31:02,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20bdfda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:31:02, skipping insertion in model container [2018-10-26 22:31:02,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:01" (2/3) ... [2018-10-26 22:31:02,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20bdfda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:31:02, skipping insertion in model container [2018-10-26 22:31:02,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:31:02" (3/3) ... [2018-10-26 22:31:02,225 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_6_true-unreach-call_true-no-overflow_false-termination.i [2018-10-26 22:31:02,233 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:31:02,239 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:31:02,253 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:31:02,278 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:31:02,279 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:31:02,279 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:31:02,279 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:31:02,279 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:31:02,279 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:31:02,279 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:31:02,279 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:31:02,297 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-10-26 22:31:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 22:31:02,303 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:31:02,303 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:31:02,306 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:31:02,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:31:02,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1863838843, now seen corresponding path program 1 times [2018-10-26 22:31:02,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:31:02,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:31:02,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:31:02,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:31:02,366 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:31:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:02,592 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 22:31:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:31:02,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:31:02,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:31:02,709 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:31:02,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:31:02,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:31:02,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:31:02,726 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 6 states. [2018-10-26 22:31:02,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:31:02,861 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2018-10-26 22:31:02,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:31:02,862 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-10-26 22:31:02,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:31:02,870 INFO L225 Difference]: With dead ends: 28 [2018-10-26 22:31:02,870 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:31:02,873 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 [2018-10-26 22:31:02,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:31:02,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:31:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:31:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:31:02,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-10-26 22:31:02,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:31:02,896 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:31:02,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:31:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:31:02,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:31:02,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:31:02,952 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-26 22:31:02,952 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:31:02,953 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:31:02,953 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 22:31:02,953 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:31:02,953 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:31:02,953 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 27) the Hoare annotation is: true [2018-10-26 22:31:02,953 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 27) no Hoare annotation was computed. [2018-10-26 22:31:02,954 INFO L421 ceAbstractionStarter]: At program point L24(line 24) the Hoare annotation is: (let ((.cse0 (* 4 main_~x~0)) (.cse1 (* 2 main_~y~0))) (<= (+ .cse0 .cse1 main_~z~0) (* 8 (div (+ .cse0 (+ .cse1 main_~z~0)) 8)))) [2018-10-26 22:31:02,954 INFO L421 ceAbstractionStarter]: At program point L24-1(lines 18 25) the Hoare annotation is: (let ((.cse0 (* 4 main_~x~0)) (.cse1 (* 2 main_~y~0))) (<= (+ .cse0 .cse1 main_~z~0) (* 8 (div (+ .cse0 (+ .cse1 main_~z~0)) 8)))) [2018-10-26 22:31:02,954 INFO L425 ceAbstractionStarter]: For program point L18-1(lines 18 25) no Hoare annotation was computed. [2018-10-26 22:31:02,954 INFO L425 ceAbstractionStarter]: For program point L18-3(lines 18 25) no Hoare annotation was computed. [2018-10-26 22:31:02,956 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 27) no Hoare annotation was computed. [2018-10-26 22:31:02,957 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-10-26 22:31:02,957 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-10-26 22:31:02,957 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-10-26 22:31:02,957 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-10-26 22:31:02,957 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-10-26 22:31:02,957 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-10-26 22:31:02,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:31:02 BoogieIcfgContainer [2018-10-26 22:31:02,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:31:02,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:31:02,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:31:02,973 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:31:02,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:31:02" (3/4) ... [2018-10-26 22:31:02,978 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:31:02,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:31:02,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:31:02,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 22:31:02,991 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 22:31:02,991 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 22:31:02,991 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:31:03,035 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1c8df520-e547-4a18-a806-42fa75a5bb14/bin-2019/utaipan/witness.graphml [2018-10-26 22:31:03,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:31:03,037 INFO L168 Benchmark]: Toolchain (without parser) took 1427.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 961.2 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:31:03,037 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-10-26 22:31:03,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.41 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 950.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:31:03,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.63 ms. Allocated memory is still 1.0 GB. Free memory is still 950.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:31:03,039 INFO L168 Benchmark]: Boogie Preprocessor took 20.01 ms. Allocated memory is still 1.0 GB. Free memory is still 950.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:31:03,040 INFO L168 Benchmark]: RCFGBuilder took 304.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:31:03,041 INFO L168 Benchmark]: TraceAbstraction took 756.16 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:31:03,041 INFO L168 Benchmark]: Witness Printer took 63.66 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. [2018-10-26 22:31:03,046 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 255.41 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 950.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.63 ms. Allocated memory is still 1.0 GB. Free memory is still 950.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.01 ms. Allocated memory is still 1.0 GB. Free memory is still 950.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 304.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 756.16 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 63.66 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: 18]: Loop Invariant Derived loop invariant: 4 * x + 2 * y + z <= 8 * ((4 * x + (2 * y + z)) / 8) - 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, 49 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 710 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...