./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double_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_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 .................................................................................................................................................................................................................................................. 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_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 ..................................................................................................................................................................................................................................................................................... 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 21:00:04,509 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:00:04,511 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:00:04,519 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:00:04,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:00:04,520 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:00:04,521 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:00:04,522 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:00:04,524 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:00:04,525 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:00:04,525 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:00:04,526 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:00:04,527 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:00:04,528 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:00:04,529 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:00:04,529 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:00:04,530 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:00:04,532 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:00:04,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:00:04,535 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:00:04,536 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:00:04,537 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:00:04,539 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:00:04,539 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:00:04,539 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:00:04,540 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:00:04,541 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:00:04,541 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:00:04,542 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:00:04,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:00:04,544 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:00:04,544 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:00:04,545 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:00:04,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:00:04,546 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:00:04,546 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:00:04,546 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:00:04,558 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:00:04,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:00:04,559 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:00:04,559 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:00:04,559 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:00:04,560 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:00:04,560 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:00:04,560 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:00:04,560 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:00:04,560 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:00:04,560 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:00:04,561 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:00:04,561 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:00:04,561 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:00:04,561 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:00:04,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:00:04,562 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:00:04,562 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:00:04,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:00:04,562 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:00:04,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:00:04,562 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:00:04,564 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:00:04,564 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:00:04,565 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:00:04,565 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:00:04,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:00:04,565 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:00:04,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:00:04,565 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:00:04,565 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:00:04,566 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:00:04,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:00:04,566 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:00:04,566 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_8873e5e5-20bb-4253-9447-9fb5ecf839bf/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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-10-26 21:00:04,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:00:04,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:00:04,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:00:04,607 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:00:04,608 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:00:04,608 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-10-26 21:00:04,661 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/data/4fe25edc6/5b11ae3dc784406b918326272a05ed21/FLAGd51b88950 [2018-10-26 21:00:05,018 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:00:05,019 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-10-26 21:00:05,024 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/data/4fe25edc6/5b11ae3dc784406b918326272a05ed21/FLAGd51b88950 [2018-10-26 21:00:05,034 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/data/4fe25edc6/5b11ae3dc784406b918326272a05ed21 [2018-10-26 21:00:05,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:00:05,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:00:05,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:00:05,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:00:05,041 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:00:05,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5e92be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05, skipping insertion in model container [2018-10-26 21:00:05,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:00:05,069 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:00:05,181 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:00:05,185 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:00:05,201 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:00:05,213 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:00:05,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05 WrapperNode [2018-10-26 21:00:05,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:00:05,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:00:05,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:00:05,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:00:05,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:00:05,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:00:05,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:00:05,231 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:00:05,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (1/1) ... [2018-10-26 21:00:05,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:00:05,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:00:05,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:00:05,245 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:00:05,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/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 21:00:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:00:05,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:00:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:00:05,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:00:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:00:05,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:00:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 21:00:05,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 21:00:05,624 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:00:05,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:00:05 BoogieIcfgContainer [2018-10-26 21:00:05,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:00:05,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:00:05,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:00:05,629 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:00:05,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:00:05" (1/3) ... [2018-10-26 21:00:05,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c0678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:00:05, skipping insertion in model container [2018-10-26 21:00:05,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:05" (2/3) ... [2018-10-26 21:00:05,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c0678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:00:05, skipping insertion in model container [2018-10-26 21:00:05,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:00:05" (3/3) ... [2018-10-26 21:00:05,633 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-10-26 21:00:05,641 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:00:05,647 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:00:05,665 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:00:05,704 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:00:05,704 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:00:05,704 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:00:05,704 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:00:05,704 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:00:05,704 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:00:05,705 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:00:05,705 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:00:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-10-26 21:00:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 21:00:05,729 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:00:05,730 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:00:05,732 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:00:05,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:00:05,738 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-10-26 21:00:05,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:00:05,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:00:05,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:00:05,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:00:05,784 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:00:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:00:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:00:05,836 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:00:05,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:00:05 BoogieIcfgContainer [2018-10-26 21:00:05,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:00:05,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:00:05,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:00:05,862 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:00:05,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:00:05" (3/4) ... [2018-10-26 21:00:05,870 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:00:05,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:00:05,871 INFO L168 Benchmark]: Toolchain (without parser) took 834.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:00:05,872 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:00:05,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.79 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:00:05,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.43 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:00:05,875 INFO L168 Benchmark]: Boogie Preprocessor took 13.58 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:00:05,876 INFO L168 Benchmark]: RCFGBuilder took 380.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:00:05,876 INFO L168 Benchmark]: TraceAbstraction took 236.10 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:00:05,877 INFO L168 Benchmark]: Witness Printer took 8.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:00:05,881 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.79 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 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 16.43 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.58 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 380.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 236.10 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 8.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x,y,r; [L9] x = 77617. [L10] y = 33096. [L11] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 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=17occurred 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, 9 NumberOfCodeBlocks, 9 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 [2018-10-26 21:00:07,841 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:00:07,843 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:00:07,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:00:07,853 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:00:07,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:00:07,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:00:07,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:00:07,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:00:07,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:00:07,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:00:07,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:00:07,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:00:07,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:00:07,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:00:07,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:00:07,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:00:07,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:00:07,875 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:00:07,876 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:00:07,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:00:07,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:00:07,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:00:07,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:00:07,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:00:07,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:00:07,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:00:07,888 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:00:07,889 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:00:07,890 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:00:07,890 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:00:07,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:00:07,894 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:00:07,894 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:00:07,895 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:00:07,895 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:00:07,895 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 21:00:07,908 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:00:07,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:00:07,908 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:00:07,909 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:00:07,909 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:00:07,909 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:00:07,909 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:00:07,909 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:00:07,910 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:00:07,910 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:00:07,910 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:00:07,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:00:07,910 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:00:07,911 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:00:07,912 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:00:07,912 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:00:07,912 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:00:07,912 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:00:07,912 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:00:07,912 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:00:07,912 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:00:07,913 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:00:07,913 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:00:07,913 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:00:07,913 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:00:07,913 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:00:07,913 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:00:07,913 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:00:07,913 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:00:07,914 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:00:07,914 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:00:07,914 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:00:07,914 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_8873e5e5-20bb-4253-9447-9fb5ecf839bf/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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-10-26 21:00:07,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:00:07,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:00:07,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:00:07,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:00:07,965 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:00:07,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-10-26 21:00:08,016 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/data/f6bba787c/0b16167d21c342689b4af0e375b9b247/FLAG786e13ac1 [2018-10-26 21:00:08,370 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:00:08,371 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-10-26 21:00:08,377 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/data/f6bba787c/0b16167d21c342689b4af0e375b9b247/FLAG786e13ac1 [2018-10-26 21:00:08,389 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/data/f6bba787c/0b16167d21c342689b4af0e375b9b247 [2018-10-26 21:00:08,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:00:08,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:00:08,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:00:08,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:00:08,399 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:00:08,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622c800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08, skipping insertion in model container [2018-10-26 21:00:08,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:00:08,429 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:00:08,573 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:00:08,581 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:00:08,601 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:00:08,617 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:00:08,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08 WrapperNode [2018-10-26 21:00:08,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:00:08,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:00:08,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:00:08,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:00:08,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:00:08,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:00:08,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:00:08,639 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:00:08,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (1/1) ... [2018-10-26 21:00:08,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:00:08,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:00:08,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:00:08,655 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:00:08,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/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 21:00:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:00:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:00:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:00:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:00:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:00:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:00:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 21:00:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 21:00:08,918 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:00:08,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:00:08 BoogieIcfgContainer [2018-10-26 21:00:08,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:00:08,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:00:08,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:00:08,922 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:00:08,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:00:08" (1/3) ... [2018-10-26 21:00:08,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69de640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:00:08, skipping insertion in model container [2018-10-26 21:00:08,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:08" (2/3) ... [2018-10-26 21:00:08,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69de640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:00:08, skipping insertion in model container [2018-10-26 21:00:08,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:00:08" (3/3) ... [2018-10-26 21:00:08,924 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-10-26 21:00:08,933 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:00:08,944 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:00:08,959 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:00:08,987 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:00:08,988 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:00:08,988 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:00:08,988 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:00:08,988 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:00:08,988 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:00:08,989 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:00:08,989 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:00:08,989 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:00:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-10-26 21:00:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 21:00:09,011 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:00:09,011 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:00:09,013 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:00:09,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:00:09,019 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-10-26 21:00:09,024 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 21:00:09,024 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 21:00:09,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 21:00:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:00:22,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:00:23,100 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 5 [2018-10-26 21:00:23,134 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 21:00:23,134 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 21:00:23,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:00:23,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:00:23,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 21:00:23,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 21:00:23,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:00:23,236 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-10-26 21:00:23,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:00:23,380 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-10-26 21:00:23,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 21:00:23,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-10-26 21:00:23,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:00:23,389 INFO L225 Difference]: With dead ends: 24 [2018-10-26 21:00:23,389 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 21:00:23,395 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:00:23,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 21:00:23,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 21:00:23,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 21:00:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 21:00:23,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-10-26 21:00:23,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:00:23,423 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 21:00:23,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 21:00:23,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 21:00:23,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:00:23,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 21:00:23,480 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-26 21:00:23,480 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:00:23,480 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:00:23,480 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 21:00:23,480 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 21:00:23,481 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:00:23,481 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-10-26 21:00:23,481 INFO L421 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 11 53) RNE 77617.0)) (.cse2 ((_ to_fp 11 53) RNE 2.0)) (.cse0 ((_ to_fp 11 53) RNE 33096.0))) (fp.add RNE (fp.add RNE (fp.add RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul RNE (fp.mul RNE .cse1 .cse1) (fp.sub RNE (fp.sub RNE (fp.sub RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 11 53) RNE 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 11 53) RNE 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div RNE .cse1 (fp.mul RNE .cse2 .cse0)))) main_~r~0) [2018-10-26 21:00:23,481 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-10-26 21:00:23,481 INFO L425 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-10-26 21:00:23,483 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-10-26 21:00:23,483 INFO L425 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-10-26 21:00:23,483 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-10-26 21:00:23,483 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-10-26 21:00:23,483 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-10-26 21:00:23,483 INFO L425 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-10-26 21:00:23,483 INFO L425 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-10-26 21:00:23,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:00:23 BoogieIcfgContainer [2018-10-26 21:00:23,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:00:23,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:00:23,489 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:00:23,489 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:00:23,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:00:08" (3/4) ... [2018-10-26 21:00:23,494 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:00:23,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 21:00:23,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 21:00:23,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 21:00:23,505 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-26 21:00:23,507 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 21:00:23,508 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 21:00:23,539 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8873e5e5-20bb-4253-9447-9fb5ecf839bf/bin-2019/utaipan/witness.graphml [2018-10-26 21:00:23,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:00:23,540 INFO L168 Benchmark]: Toolchain (without parser) took 15147.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -126.9 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:00:23,541 INFO L168 Benchmark]: CDTParser took 0.51 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. [2018-10-26 21:00:23,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.25 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:00:23,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.30 ms. Allocated memory is still 1.0 GB. Free memory was 943.9 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:00:23,544 INFO L168 Benchmark]: Boogie Preprocessor took 16.24 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:00:23,544 INFO L168 Benchmark]: RCFGBuilder took 263.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:00:23,545 INFO L168 Benchmark]: TraceAbstraction took 14566.64 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:00:23,545 INFO L168 Benchmark]: Witness Printer took 53.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:00:23,549 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 223.25 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.9 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 19.30 ms. Allocated memory is still 1.0 GB. Free memory was 943.9 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.24 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 263.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14566.64 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 53.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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, 17 locations, 1 error locations. SAFE Result, 14.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 195 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 12.9s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 1640 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 6 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...