./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c --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_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/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 64c6d061d6a52be18c2dbf1f223acaf24ab6149e .............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/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 64c6d061d6a52be18c2dbf1f223acaf24ab6149e ........................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:19:57,591 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:19:57,592 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:19:57,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:19:57,601 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:19:57,601 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:19:57,602 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:19:57,604 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:19:57,605 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:19:57,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:19:57,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:19:57,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:19:57,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:19:57,607 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:19:57,608 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:19:57,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:19:57,609 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:19:57,610 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:19:57,612 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:19:57,612 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:19:57,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:19:57,613 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:19:57,614 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:19:57,615 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:19:57,615 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:19:57,615 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:19:57,616 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:19:57,616 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:19:57,617 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:19:57,617 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:19:57,618 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:19:57,618 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:19:57,618 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:19:57,618 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:19:57,619 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:19:57,620 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:19:57,620 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 02:19:57,627 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:19:57,627 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:19:57,628 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:19:57,628 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 02:19:57,629 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 02:19:57,629 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 02:19:57,629 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 02:19:57,629 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 02:19:57,629 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 02:19:57,629 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 02:19:57,629 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 02:19:57,630 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:19:57,630 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:19:57,630 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:19:57,630 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:19:57,631 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:19:57,631 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:19:57,631 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:19:57,631 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:19:57,631 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:19:57,631 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:19:57,631 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:19:57,632 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:19:57,632 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 02:19:57,632 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:19:57,632 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 02:19:57,632 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:19:57,632 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:19:57,632 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:19:57,632 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:19:57,633 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 02:19:57,633 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:19:57,633 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:19:57,633 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 02:19:57,633 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_d3fef425-5407-4183-b24e-a37c80a3a21f/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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2018-11-10 02:19:57,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:19:57,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:19:57,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:19:57,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:19:57,669 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:19:57,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-11-10 02:19:57,707 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/data/8add81aaa/254bc26b0933447bafd3941ed5a52987/FLAG9975f6428 [2018-11-10 02:19:58,001 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:19:58,001 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-11-10 02:19:58,005 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/data/8add81aaa/254bc26b0933447bafd3941ed5a52987/FLAG9975f6428 [2018-11-10 02:19:58,013 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/data/8add81aaa/254bc26b0933447bafd3941ed5a52987 [2018-11-10 02:19:58,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:19:58,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:19:58,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:19:58,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:19:58,019 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:19:58,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50020d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58, skipping insertion in model container [2018-11-10 02:19:58,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:19:58,037 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:19:58,124 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:19:58,126 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:19:58,136 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:19:58,144 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:19:58,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58 WrapperNode [2018-11-10 02:19:58,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:19:58,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:19:58,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:19:58,145 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:19:58,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:19:58,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:19:58,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:19:58,157 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:19:58,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (1/1) ... [2018-11-10 02:19:58,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:19:58,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:19:58,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:19:58,168 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:19:58,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/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 [2018-11-10 02:19:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 02:19:58,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 02:19:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:19:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:19:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 02:19:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 02:19:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 02:19:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 02:19:58,361 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:19:58,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:19:58 BoogieIcfgContainer [2018-11-10 02:19:58,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:19:58,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 02:19:58,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 02:19:58,366 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 02:19:58,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:19:58" (1/3) ... [2018-11-10 02:19:58,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73546a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:19:58, skipping insertion in model container [2018-11-10 02:19:58,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:19:58" (2/3) ... [2018-11-10 02:19:58,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73546a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:19:58, skipping insertion in model container [2018-11-10 02:19:58,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:19:58" (3/3) ... [2018-11-10 02:19:58,368 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float_range_true-unreach-call_true-termination.c [2018-11-10 02:19:58,375 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 02:19:58,380 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 02:19:58,389 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 02:19:58,410 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 02:19:58,410 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 02:19:58,410 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 02:19:58,410 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 02:19:58,411 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 02:19:58,411 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 02:19:58,411 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 02:19:58,411 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 02:19:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-10 02:19:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 02:19:58,426 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:19:58,427 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 02:19:58,428 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:19:58,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:19:58,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-11-10 02:19:58,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 02:19:58,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:19:58,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:19:58,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:19:58,466 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 02:19:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:19:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:19:58,502 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 02:19:58,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:19:58 BoogieIcfgContainer [2018-11-10 02:19:58,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 02:19:58,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:19:58,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:19:58,519 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:19:58,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:19:58" (3/4) ... [2018-11-10 02:19:58,523 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 02:19:58,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:19:58,524 INFO L168 Benchmark]: Toolchain (without parser) took 507.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 961.1 MB in the beginning and 1.2 GB in the end (delta: -198.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:19:58,525 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:19:58,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.51 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 950.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:19:58,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.14 ms. Allocated memory is still 1.0 GB. Free memory is still 950.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:19:58,526 INFO L168 Benchmark]: Boogie Preprocessor took 10.40 ms. Allocated memory is still 1.0 GB. Free memory was 950.3 MB in the beginning and 945.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:19:58,534 INFO L168 Benchmark]: RCFGBuilder took 194.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 945.0 MB in the beginning and 1.2 GB in the end (delta: -227.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 02:19:58,535 INFO L168 Benchmark]: TraceAbstraction took 155.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-10 02:19:58,535 INFO L168 Benchmark]: Witness Printer took 4.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:19:58,538 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 127.51 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 950.3 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 12.14 ms. Allocated memory is still 1.0 GB. Free memory is still 950.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.40 ms. Allocated memory is still 1.0 GB. Free memory was 950.3 MB in the beginning and 945.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 194.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 945.0 MB in the beginning and 1.2 GB in the end (delta: -227.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 155.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] COND TRUE x >= -1e10 && x <= 1e10 VAL [x=2] [L14] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:19:59,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:19:59,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:20:00,000 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:20:00,000 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:20:00,001 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:20:00,001 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:20:00,003 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:20:00,004 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:20:00,004 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:20:00,005 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:20:00,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:20:00,006 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:20:00,007 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:20:00,007 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:20:00,008 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:20:00,009 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:20:00,010 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:20:00,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:20:00,012 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:20:00,013 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:20:00,014 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:20:00,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:20:00,016 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:20:00,016 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:20:00,017 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:20:00,017 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:20:00,018 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:20:00,018 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:20:00,019 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:20:00,019 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:20:00,020 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:20:00,020 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:20:00,020 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:20:00,021 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:20:00,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:20:00,021 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 02:20:00,032 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:20:00,032 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:20:00,033 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:20:00,033 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 02:20:00,033 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 02:20:00,033 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 02:20:00,033 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 02:20:00,033 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 02:20:00,034 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:20:00,034 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:20:00,034 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:20:00,034 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:20:00,034 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:20:00,035 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:20:00,035 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:20:00,035 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 02:20:00,035 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 02:20:00,035 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:20:00,035 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:20:00,035 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:20:00,036 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:20:00,036 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 02:20:00,036 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:20:00,036 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 02:20:00,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:20:00,036 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:20:00,036 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:20:00,037 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:20:00,037 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 02:20:00,037 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:20:00,037 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 02:20:00,037 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 02:20:00,037 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d3fef425-5407-4183-b24e-a37c80a3a21f/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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2018-11-10 02:20:00,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:20:00,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:20:00,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:20:00,081 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:20:00,081 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:20:00,081 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-11-10 02:20:00,126 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/data/27f7e8805/dcdd44ba3ce548898de31f0614d939cd/FLAG271435eed [2018-11-10 02:20:00,447 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:20:00,447 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-11-10 02:20:00,451 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/data/27f7e8805/dcdd44ba3ce548898de31f0614d939cd/FLAG271435eed [2018-11-10 02:20:00,459 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/data/27f7e8805/dcdd44ba3ce548898de31f0614d939cd [2018-11-10 02:20:00,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:20:00,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:20:00,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:20:00,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:20:00,467 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:20:00,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78661391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00, skipping insertion in model container [2018-11-10 02:20:00,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:20:00,491 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:20:00,592 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:20:00,595 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:20:00,604 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:20:00,614 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:20:00,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00 WrapperNode [2018-11-10 02:20:00,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:20:00,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:20:00,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:20:00,615 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:20:00,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:20:00,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:20:00,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:20:00,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:20:00,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (1/1) ... [2018-11-10 02:20:00,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:20:00,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:20:00,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:20:00,641 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:20:00,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/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 [2018-11-10 02:20:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 02:20:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 02:20:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:20:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:20:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 02:20:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 02:20:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 02:20:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 02:20:00,922 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:20:00,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:20:00 BoogieIcfgContainer [2018-11-10 02:20:00,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:20:00,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 02:20:00,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 02:20:00,925 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 02:20:00,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:20:00" (1/3) ... [2018-11-10 02:20:00,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba211f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:20:00, skipping insertion in model container [2018-11-10 02:20:00,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:20:00" (2/3) ... [2018-11-10 02:20:00,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba211f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:20:00, skipping insertion in model container [2018-11-10 02:20:00,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:20:00" (3/3) ... [2018-11-10 02:20:00,930 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float_range_true-unreach-call_true-termination.c [2018-11-10 02:20:00,937 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 02:20:00,942 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 02:20:00,951 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 02:20:00,969 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 02:20:00,970 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 02:20:00,970 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 02:20:00,970 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 02:20:00,970 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 02:20:00,970 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 02:20:00,970 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 02:20:00,970 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 02:20:00,970 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 02:20:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-10 02:20:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 02:20:00,986 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:20:00,987 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 02:20:00,988 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:20:00,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:20:00,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-11-10 02:20:00,994 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 02:20:00,994 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 02:20:00,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:20:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:20:01,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 02:20:01,224 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-11-10 02:20:01,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:20:01,600 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 02:20:01,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 02:20:01,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 02:20:01,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 02:20:01,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 02:20:01,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 02:20:01,620 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-10 02:20:02,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:20:02,008 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-11-10 02:20:02,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 02:20:02,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-10 02:20:02,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:20:02,018 INFO L225 Difference]: With dead ends: 28 [2018-11-10 02:20:02,018 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 02:20:02,021 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 02:20:02,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 02:20:02,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 02:20:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 02:20:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 02:20:02,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-10 02:20:02,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:20:02,039 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 02:20:02,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 02:20:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 02:20:02,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 02:20:02,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 02:20:02,168 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 02:20:02,168 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 02:20:02,168 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 02:20:02,168 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 02:20:02,169 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 02:20:02,169 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 02:20:02,169 INFO L421 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: (fp.geq ((_ to_fp 11 53) RNE main_~x~0) (fp.neg ((_ to_fp 11 53) RNE 10000000000.0))) [2018-11-10 02:20:02,169 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 8 17) the Hoare annotation is: true [2018-11-10 02:20:02,169 INFO L425 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2018-11-10 02:20:02,169 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 8 17) no Hoare annotation was computed. [2018-11-10 02:20:02,169 INFO L425 ceAbstractionStarter]: For program point L13-1(lines 13 15) no Hoare annotation was computed. [2018-11-10 02:20:02,170 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 8 17) no Hoare annotation was computed. [2018-11-10 02:20:02,170 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 6) the Hoare annotation is: true [2018-11-10 02:20:02,170 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-10 02:20:02,170 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 6) no Hoare annotation was computed. [2018-11-10 02:20:02,170 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-10 02:20:02,170 INFO L425 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2018-11-10 02:20:02,170 INFO L425 ceAbstractionStarter]: For program point L6-3(line 6) no Hoare annotation was computed. [2018-11-10 02:20:02,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:20:02 BoogieIcfgContainer [2018-11-10 02:20:02,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 02:20:02,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:20:02,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:20:02,173 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:20:02,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:20:00" (3/4) ... [2018-11-10 02:20:02,177 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 02:20:02,183 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 02:20:02,183 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 02:20:02,183 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 02:20:02,186 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 02:20:02,187 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 02:20:02,187 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 02:20:02,211 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3fef425-5407-4183-b24e-a37c80a3a21f/bin-2019/utaipan/witness.graphml [2018-11-10 02:20:02,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:20:02,212 INFO L168 Benchmark]: Toolchain (without parser) took 1750.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. [2018-11-10 02:20:02,213 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:20:02,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:20:02,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.42 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:20:02,214 INFO L168 Benchmark]: Boogie Preprocessor took 12.19 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:20:02,214 INFO L168 Benchmark]: RCFGBuilder took 282.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 934.7 MB in the beginning and 1.2 GB in the end (delta: -219.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 02:20:02,215 INFO L168 Benchmark]: TraceAbstraction took 1249.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-10 02:20:02,215 INFO L168 Benchmark]: Witness Printer took 38.41 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-10 02:20:02,218 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 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 13.42 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.19 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 282.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 934.7 MB in the beginning and 1.2 GB in the end (delta: -219.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1249.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Witness Printer took 38.41 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: 6.5 MB). Peak memory consumption was 6.5 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 7 SDslu, 40 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 13 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 2 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 4 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...