./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/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_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/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_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/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_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/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 0.1.23-635dfa2 [2018-12-03 07:34:17,449 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:34:17,450 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:34:17,456 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:34:17,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:34:17,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:34:17,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:34:17,458 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:34:17,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:34:17,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:34:17,460 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:34:17,460 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:34:17,461 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:34:17,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:34:17,462 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:34:17,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:34:17,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:34:17,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:34:17,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:34:17,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:34:17,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:34:17,466 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:34:17,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:34:17,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:34:17,468 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:34:17,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:34:17,469 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:34:17,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:34:17,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:34:17,470 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:34:17,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:34:17,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:34:17,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:34:17,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:34:17,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:34:17,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:34:17,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 07:34:17,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:34:17,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:34:17,480 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:34:17,480 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:34:17,480 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:34:17,480 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:34:17,480 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:34:17,480 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 07:34:17,480 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:34:17,480 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:34:17,480 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 07:34:17,480 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 07:34:17,480 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:34:17,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:34:17,481 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:34:17,481 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:34:17,481 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:34:17,481 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:34:17,481 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:34:17,481 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:34:17,481 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:34:17,481 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:34:17,481 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:34:17,482 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:34:17,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:34:17,482 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:34:17,482 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:34:17,482 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:34:17,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:34:17,482 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:34:17,482 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:34:17,483 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:34:17,483 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 07:34:17,483 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:34:17,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 07:34:17,483 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 07:34:17,483 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_d7200c98-1ba5-4cdd-b9be-2c897a265de3/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 [2018-12-03 07:34:17,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:34:17,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:34:17,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:34:17,518 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:34:17,518 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:34:17,519 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-03 07:34:17,557 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/data/487f81a19/d41b6a87d4fc40daaca806e53ed1d17a/FLAG11f22bdea [2018-12-03 07:34:17,924 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:34:17,924 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-03 07:34:17,928 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/data/487f81a19/d41b6a87d4fc40daaca806e53ed1d17a/FLAG11f22bdea [2018-12-03 07:34:18,301 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/data/487f81a19/d41b6a87d4fc40daaca806e53ed1d17a [2018-12-03 07:34:18,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:34:18,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:34:18,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:34:18,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:34:18,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:34:18,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f5ef9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18, skipping insertion in model container [2018-12-03 07:34:18,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:34:18,332 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:34:18,415 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:34:18,418 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:34:18,428 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:34:18,435 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:34:18,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18 WrapperNode [2018-12-03 07:34:18,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:34:18,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:34:18,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:34:18,436 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:34:18,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:34:18,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:34:18,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:34:18,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:34:18,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (1/1) ... [2018-12-03 07:34:18,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:34:18,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:34:18,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:34:18,460 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:34:18,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/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 [2018-12-03 07:34:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:34:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:34:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:34:18,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:34:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:34:18,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:34:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-03 07:34:18,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-03 07:34:18,600 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:34:18,601 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 07:34:18,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:34:18 BoogieIcfgContainer [2018-12-03 07:34:18,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:34:18,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:34:18,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:34:18,604 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:34:18,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:34:18" (1/3) ... [2018-12-03 07:34:18,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf122e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:34:18, skipping insertion in model container [2018-12-03 07:34:18,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:18" (2/3) ... [2018-12-03 07:34:18,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf122e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:34:18, skipping insertion in model container [2018-12-03 07:34:18,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:34:18" (3/3) ... [2018-12-03 07:34:18,606 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-12-03 07:34:18,612 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:34:18,617 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:34:18,626 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:34:18,647 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:34:18,648 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:34:18,648 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:34:18,648 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:34:18,648 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:34:18,648 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:34:18,648 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:34:18,648 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:34:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-03 07:34:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-03 07:34:18,662 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:34:18,662 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:34:18,664 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:34:18,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:34:18,667 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-03 07:34:18,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:34:18,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:34:18,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:34:18,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:34:18,697 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:34:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:34:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:34:18,732 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 07:34:18,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:34:18 BoogieIcfgContainer [2018-12-03 07:34:18,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:34:18,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:34:18,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:34:18,746 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:34:18,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:34:18" (3/4) ... [2018-12-03 07:34:18,748 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 07:34:18,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:34:18,749 INFO L168 Benchmark]: Toolchain (without parser) took 444.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -125.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:34:18,750 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:34:18,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.53 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-03 07:34:18,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.28 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:34:18,751 INFO L168 Benchmark]: Boogie Preprocessor took 11.30 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 MB in the beginning and 941.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:34:18,751 INFO L168 Benchmark]: RCFGBuilder took 140.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-03 07:34:18,752 INFO L168 Benchmark]: TraceAbstraction took 143.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-12-03 07:34:18,752 INFO L168 Benchmark]: Witness Printer took 2.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:34:18,754 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.53 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.28 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.30 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 MB in the beginning and 941.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 140.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 143.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.83 ms. Allocated memory is still 1.1 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 someBinaryDOUBLEComparisonOperation at line 13, 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 0.1.23-635dfa2 [2018-12-03 07:34:20,064 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:34:20,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:34:20,072 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:34:20,073 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:34:20,073 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:34:20,074 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:34:20,076 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:34:20,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:34:20,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:34:20,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:34:20,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:34:20,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:34:20,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:34:20,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:34:20,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:34:20,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:34:20,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:34:20,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:34:20,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:34:20,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:34:20,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:34:20,085 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:34:20,085 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:34:20,085 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:34:20,086 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:34:20,086 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:34:20,087 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:34:20,087 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:34:20,088 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:34:20,088 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:34:20,088 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:34:20,088 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:34:20,088 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:34:20,089 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:34:20,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:34:20,089 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 07:34:20,097 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:34:20,097 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:34:20,097 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:34:20,097 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:34:20,098 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:34:20,098 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:34:20,098 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:34:20,098 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:34:20,098 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:34:20,098 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:34:20,099 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:34:20,099 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:34:20,099 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:34:20,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:34:20,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:34:20,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:34:20,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:34:20,100 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 07:34:20,100 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 07:34:20,100 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:34:20,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:34:20,100 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 07:34:20,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:34:20,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:34:20,101 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:34:20,101 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:34:20,101 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:34:20,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:34:20,101 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:34:20,101 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:34:20,101 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:34:20,101 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 07:34:20,102 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:34:20,102 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 07:34:20,102 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 07:34:20,102 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_d7200c98-1ba5-4cdd-b9be-2c897a265de3/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 [2018-12-03 07:34:20,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:34:20,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:34:20,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:34:20,129 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:34:20,130 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:34:20,130 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-03 07:34:20,167 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/data/d2cafde26/853617fea1674230a782a2dedf02dfb5/FLAG21f001eb8 [2018-12-03 07:34:20,556 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:34:20,556 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-03 07:34:20,560 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/data/d2cafde26/853617fea1674230a782a2dedf02dfb5/FLAG21f001eb8 [2018-12-03 07:34:20,568 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/data/d2cafde26/853617fea1674230a782a2dedf02dfb5 [2018-12-03 07:34:20,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:34:20,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:34:20,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:34:20,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:34:20,573 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:34:20,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265c0857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20, skipping insertion in model container [2018-12-03 07:34:20,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:34:20,587 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:34:20,672 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:34:20,676 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:34:20,687 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:34:20,695 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:34:20,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20 WrapperNode [2018-12-03 07:34:20,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:34:20,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:34:20,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:34:20,696 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:34:20,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:34:20,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:34:20,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:34:20,710 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:34:20,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (1/1) ... [2018-12-03 07:34:20,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:34:20,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:34:20,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:34:20,724 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:34:20,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/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 [2018-12-03 07:34:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:34:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:34:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:34:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:34:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:34:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:34:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-03 07:34:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-03 07:34:20,868 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:34:20,868 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 07:34:20,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:34:20 BoogieIcfgContainer [2018-12-03 07:34:20,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:34:20,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:34:20,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:34:20,871 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:34:20,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:34:20" (1/3) ... [2018-12-03 07:34:20,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f17bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:34:20, skipping insertion in model container [2018-12-03 07:34:20,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:34:20" (2/3) ... [2018-12-03 07:34:20,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f17bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:34:20, skipping insertion in model container [2018-12-03 07:34:20,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:34:20" (3/3) ... [2018-12-03 07:34:20,872 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-12-03 07:34:20,878 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:34:20,882 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:34:20,890 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:34:20,907 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 07:34:20,908 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:34:20,908 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:34:20,908 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:34:20,908 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:34:20,908 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:34:20,908 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:34:20,908 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:34:20,908 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:34:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-03 07:34:20,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-03 07:34:20,920 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:34:20,921 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:34:20,922 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:34:20,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:34:20,925 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-03 07:34:20,928 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 07:34:20,928 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/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 [2018-12-03 07:34:20,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:34:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:34:32,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:34:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:34:32,755 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 07:34:32,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:34:32,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 07:34:32,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 07:34:32,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 07:34:32,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:34:32,861 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-12-03 07:34:32,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:34:32,902 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-03 07:34:32,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 07:34:32,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-12-03 07:34:32,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:34:32,908 INFO L225 Difference]: With dead ends: 24 [2018-12-03 07:34:32,908 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 07:34:32,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:34:32,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 07:34:32,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 07:34:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 07:34:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 07:34:32,925 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-03 07:34:32,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:34:32,925 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 07:34:32,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 07:34:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 07:34:32,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 07:34:32,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 07:34:32,958 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-03 07:34:32,958 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:34:32,958 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:34:32,958 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-03 07:34:32,958 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 07:34:32,958 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:34:32,958 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-12-03 07:34:32,959 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 77617.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 33096.0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven .cse2 .cse0)))) main_~r~0) [2018-12-03 07:34:32,959 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-12-03 07:34:32,959 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-12-03 07:34:32,959 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-12-03 07:34:32,959 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-12-03 07:34:32,959 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-12-03 07:34:32,959 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-12-03 07:34:32,959 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-12-03 07:34:32,959 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-12-03 07:34:32,959 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-12-03 07:34:32,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:34:32 BoogieIcfgContainer [2018-12-03 07:34:32,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:34:32,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:34:32,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:34:32,962 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:34:32,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:34:20" (3/4) ... [2018-12-03 07:34:32,964 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 07:34:32,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 07:34:32,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 07:34:32,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-03 07:34:32,971 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-03 07:34:32,971 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 07:34:32,971 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 07:34:32,991 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d7200c98-1ba5-4cdd-b9be-2c897a265de3/bin-2019/utaipan/witness.graphml [2018-12-03 07:34:32,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:34:32,992 INFO L168 Benchmark]: Toolchain (without parser) took 12422.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-03 07:34:32,993 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:34:32,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 125.36 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:34:32,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.35 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:34:32,993 INFO L168 Benchmark]: Boogie Preprocessor took 14.03 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 07:34:32,994 INFO L168 Benchmark]: RCFGBuilder took 144.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-03 07:34:32,994 INFO L168 Benchmark]: TraceAbstraction took 12092.41 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-03 07:34:32,994 INFO L168 Benchmark]: Witness Printer took 30.01 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-03 07:34:32,996 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 125.36 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.35 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.03 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 144.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12092.41 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 30.01 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: 6.6 MB). Peak memory consumption was 6.6 MB. 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, 12.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s 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, 0.0s 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, 10.9s SatisfiabilityAnalysisTime, 0.8s 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...