./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad42bb2010d2b192065bfa0d559e83801dcf82da ..................................................................................................................................................................................................................................... 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_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad42bb2010d2b192065bfa0d559e83801dcf82da ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:57:31,439 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:57:31,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:57:31,447 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:57:31,447 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:57:31,448 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:57:31,449 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:57:31,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:57:31,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:57:31,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:57:31,453 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:57:31,453 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:57:31,454 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:57:31,454 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:57:31,455 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:57:31,456 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:57:31,457 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:57:31,458 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:57:31,460 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:57:31,461 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:57:31,462 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:57:31,463 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:57:31,465 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:57:31,465 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:57:31,465 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:57:31,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:57:31,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:57:31,467 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:57:31,468 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:57:31,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:57:31,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:57:31,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:57:31,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:57:31,470 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:57:31,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:57:31,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:57:31,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 13:57:31,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:57:31,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:57:31,480 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:57:31,480 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:57:31,481 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:57:31,481 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:57:31,481 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:57:31,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:57:31,481 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:57:31,481 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:57:31,482 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:57:31,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:57:31,482 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:57:31,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:57:31,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:57:31,482 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:57:31,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:57:31,483 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:57:31,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:57:31,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:57:31,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:57:31,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:57:31,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:57:31,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:57:31,484 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:57:31,484 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:57:31,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:57:31,484 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:57:31,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:57:31,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:57:31,485 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_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer 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 -> Automizer 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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2018-11-18 13:57:31,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:57:31,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:57:31,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:57:31,519 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:57:31,519 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:57:31,520 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-11-18 13:57:31,554 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/data/60f9f8816/9dc788ae2ce2420c98cd58d300152155/FLAG211b398c9 [2018-11-18 13:57:31,961 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:57:31,962 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-11-18 13:57:31,966 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/data/60f9f8816/9dc788ae2ce2420c98cd58d300152155/FLAG211b398c9 [2018-11-18 13:57:31,975 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/data/60f9f8816/9dc788ae2ce2420c98cd58d300152155 [2018-11-18 13:57:31,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:57:31,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:57:31,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:57:31,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:57:31,982 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:57:31,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:57:31" (1/1) ... [2018-11-18 13:57:31,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8be4c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:31, skipping insertion in model container [2018-11-18 13:57:31,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:57:31" (1/1) ... [2018-11-18 13:57:31,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:57:32,004 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:57:32,109 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:57:32,112 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:57:32,123 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:57:32,132 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:57:32,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:32 WrapperNode [2018-11-18 13:57:32,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:57:32,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:57:32,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:57:32,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:57:32,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:32" (1/1) ... [2018-11-18 13:57:32,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:32" (1/1) ... [2018-11-18 13:57:32,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:32" (1/1) ... [2018-11-18 13:57:32,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:32" (1/1) ... [2018-11-18 13:57:32,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:32" (1/1) ... [2018-11-18 13:57:32,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:32" (1/1) ... [2018-11-18 13:57:32,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:32" (1/1) ... [2018-11-18 13:57:32,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:57:32,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:57:32,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:57:32,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:57:32,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:57:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:57:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:57:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 13:57:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:57:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:57:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 13:57:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:57:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:57:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:57:32,333 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:57:32,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:57:32 BoogieIcfgContainer [2018-11-18 13:57:32,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:57:32,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:57:32,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:57:32,337 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:57:32,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:57:31" (1/3) ... [2018-11-18 13:57:32,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ab0139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:57:32, skipping insertion in model container [2018-11-18 13:57:32,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:32" (2/3) ... [2018-11-18 13:57:32,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ab0139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:57:32, skipping insertion in model container [2018-11-18 13:57:32,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:57:32" (3/3) ... [2018-11-18 13:57:32,340 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-11-18 13:57:32,347 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:57:32,353 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:57:32,365 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:57:32,389 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:57:32,390 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:57:32,390 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:57:32,390 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:57:32,390 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:57:32,390 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:57:32,391 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:57:32,391 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:57:32,391 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:57:32,405 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-18 13:57:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 13:57:32,410 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:57:32,411 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:57:32,413 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:57:32,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:57:32,417 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-11-18 13:57:32,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:57:32,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:57:32,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:32,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:57:32,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:57:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:57:32,500 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 13:57:32,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:57:32 BoogieIcfgContainer [2018-11-18 13:57:32,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:57:32,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:57:32,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:57:32,514 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:57:32,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:57:32" (3/4) ... [2018-11-18 13:57:32,518 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:57:32,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:57:32,519 INFO L168 Benchmark]: Toolchain (without parser) took 540.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -126.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:57:32,520 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:57:32,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.45 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:32,521 INFO L168 Benchmark]: Boogie Preprocessor took 21.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:32,521 INFO L168 Benchmark]: RCFGBuilder took 179.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:32,522 INFO L168 Benchmark]: TraceAbstraction took 179.43 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:32,523 INFO L168 Benchmark]: Witness Printer took 3.94 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. [2018-11-18 13:57:32,525 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.45 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 179.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 179.43 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.94 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 someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f [L10] y = 33096.f [L11] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * 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 0.1.23-5842f4b [2018-11-18 13:57:33,969 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:57:33,970 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:57:33,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:57:33,977 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:57:33,978 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:57:33,979 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:57:33,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:57:33,982 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:57:33,982 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:57:33,983 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:57:33,983 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:57:33,984 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:57:33,985 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:57:33,986 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:57:33,986 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:57:33,987 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:57:33,989 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:57:33,990 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:57:33,991 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:57:33,992 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:57:33,993 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:57:33,995 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:57:33,995 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:57:33,995 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:57:33,996 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:57:33,997 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:57:33,998 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:57:33,998 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:57:33,999 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:57:33,999 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:57:34,000 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:57:34,000 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:57:34,000 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:57:34,001 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:57:34,001 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:57:34,001 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 13:57:34,012 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:57:34,012 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:57:34,013 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:57:34,013 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:57:34,013 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:57:34,014 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:57:34,014 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:57:34,014 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:57:34,014 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:57:34,014 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:57:34,014 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:57:34,014 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:57:34,014 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:57:34,014 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:57:34,015 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:57:34,015 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:57:34,015 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:57:34,015 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:57:34,015 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:57:34,015 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:57:34,015 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:57:34,016 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:57:34,017 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:57:34,017 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:57:34,017 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:57:34,017 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:57:34,017 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:57:34,017 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:57:34,017 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 13:57:34,017 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:57:34,017 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:57:34,017 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:57:34,018 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_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer 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 -> Automizer 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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2018-11-18 13:57:34,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:57:34,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:57:34,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:57:34,061 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:57:34,062 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:57:34,062 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-11-18 13:57:34,098 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/data/e11e61ceb/b91159e9929f41aab4ebc0466aaa97b5/FLAG37a2cc722 [2018-11-18 13:57:34,424 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:57:34,424 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-11-18 13:57:34,428 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/data/e11e61ceb/b91159e9929f41aab4ebc0466aaa97b5/FLAG37a2cc722 [2018-11-18 13:57:34,857 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/data/e11e61ceb/b91159e9929f41aab4ebc0466aaa97b5 [2018-11-18 13:57:34,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:57:34,861 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:57:34,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:57:34,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:57:34,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:57:34,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:57:34" (1/1) ... [2018-11-18 13:57:34,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c57051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:34, skipping insertion in model container [2018-11-18 13:57:34,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:57:34" (1/1) ... [2018-11-18 13:57:34,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:57:34,888 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:57:34,999 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:57:35,003 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:57:35,016 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:57:35,025 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:57:35,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:35 WrapperNode [2018-11-18 13:57:35,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:57:35,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:57:35,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:57:35,026 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:57:35,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:35" (1/1) ... [2018-11-18 13:57:35,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:35" (1/1) ... [2018-11-18 13:57:35,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:35" (1/1) ... [2018-11-18 13:57:35,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:35" (1/1) ... [2018-11-18 13:57:35,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:35" (1/1) ... [2018-11-18 13:57:35,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:35" (1/1) ... [2018-11-18 13:57:35,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:35" (1/1) ... [2018-11-18 13:57:35,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:57:35,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:57:35,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:57:35,046 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:57:35,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:57:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:57:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:57:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 13:57:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:57:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:57:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 13:57:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:57:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:57:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:57:35,210 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:57:35,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:57:35 BoogieIcfgContainer [2018-11-18 13:57:35,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:57:35,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:57:35,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:57:35,214 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:57:35,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:57:34" (1/3) ... [2018-11-18 13:57:35,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2232da64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:57:35, skipping insertion in model container [2018-11-18 13:57:35,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:35" (2/3) ... [2018-11-18 13:57:35,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2232da64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:57:35, skipping insertion in model container [2018-11-18 13:57:35,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:57:35" (3/3) ... [2018-11-18 13:57:35,217 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-11-18 13:57:35,223 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:57:35,227 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:57:35,236 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:57:35,254 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:57:35,254 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:57:35,254 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:57:35,254 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:57:35,254 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:57:35,255 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:57:35,255 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:57:35,255 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:57:35,255 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:57:35,266 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-18 13:57:35,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 13:57:35,270 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:57:35,270 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:57:35,272 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:57:35,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:57:35,276 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-11-18 13:57:35,278 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:57:35,278 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 13:57:35,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:57:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:57:37,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:57:37,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:57:37,687 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:57:37,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:57:37,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:57:37,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:57:37,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:57:37,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:57:37,722 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-11-18 13:57:37,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:57:37,767 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-11-18 13:57:37,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:57:37,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-11-18 13:57:37,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:57:37,773 INFO L225 Difference]: With dead ends: 24 [2018-11-18 13:57:37,773 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:57:37,775 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:57:37,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:57:37,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:57:37,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:57:37,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:57:37,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-18 13:57:37,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:57:37,790 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:57:37,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:57:37,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:57:37,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:57:37,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:57:37,824 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 13:57:37,824 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:57:37,824 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:57:37,824 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 13:57:37,824 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:57:37,824 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:57:37,824 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-11-18 13:57:37,825 INFO L421 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 77617.0)) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 2.0)) (.cse0 ((_ to_fp 8 24) 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 8 24) 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 8 24) 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 8 24) 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 8 24) 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) [2018-11-18 13:57:37,825 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-11-18 13:57:37,825 INFO L425 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-11-18 13:57:37,825 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-11-18 13:57:37,828 INFO L425 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-11-18 13:57:37,828 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-11-18 13:57:37,828 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-11-18 13:57:37,828 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-11-18 13:57:37,828 INFO L425 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-11-18 13:57:37,828 INFO L425 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-11-18 13:57:37,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:57:37 BoogieIcfgContainer [2018-11-18 13:57:37,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:57:37,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:57:37,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:57:37,831 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:57:37,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:57:35" (3/4) ... [2018-11-18 13:57:37,835 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:57:37,840 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:57:37,840 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:57:37,840 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 13:57:37,843 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 13:57:37,843 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:57:37,843 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 13:57:37,866 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e33702b9-5b15-4b1a-8685-b9faeedb47f3/bin-2019/uautomizer/witness.graphml [2018-11-18 13:57:37,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:57:37,867 INFO L168 Benchmark]: Toolchain (without parser) took 3006.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -127.4 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:37,868 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:57:37,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.86 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:37,869 INFO L168 Benchmark]: Boogie Preprocessor took 19.22 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:37,870 INFO L168 Benchmark]: RCFGBuilder took 164.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:37,870 INFO L168 Benchmark]: TraceAbstraction took 2619.72 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: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:37,871 INFO L168 Benchmark]: Witness Printer took 35.71 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. [2018-11-18 13:57:37,873 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 163.86 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.22 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 164.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2619.72 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: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * Witness Printer took 35.71 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, 2.5s 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, 0.1s 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, 2.0s SatisfiabilityAnalysisTime, 0.2s 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...