./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0621b_true-unreach-call.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_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0621b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/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 bf0ba25fe26682d00fcbd742510a570b9ca53290 ......................................................................................................................................................................................................................................................................................................................................................... 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_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0621b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/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 bf0ba25fe26682d00fcbd742510a570b9ca53290 ......................................................................................................................................................................................................................................................................................................................................... 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 13:00:36,816 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:00:36,817 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:00:36,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:00:36,828 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:00:36,829 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:00:36,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:00:36,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:00:36,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:00:36,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:00:36,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:00:36,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:00:36,836 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:00:36,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:00:36,840 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:00:36,841 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:00:36,841 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:00:36,842 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:00:36,844 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:00:36,845 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:00:36,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:00:36,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:00:36,854 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:00:36,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:00:36,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:00:36,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:00:36,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:00:36,856 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:00:36,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:00:36,859 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:00:36,860 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:00:36,860 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:00:36,860 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:00:36,861 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:00:36,861 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:00:36,862 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:00:36,862 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 13:00:36,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:00:36,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:00:36,876 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:00:36,876 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:00:36,876 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:00:36,876 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:00:36,877 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:00:36,877 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:00:36,877 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:00:36,877 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:00:36,877 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:00:36,877 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:00:36,877 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:00:36,877 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:00:36,878 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:00:36,878 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:00:36,878 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:00:36,878 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:00:36,878 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:00:36,878 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:00:36,878 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:00:36,878 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:00:36,879 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:00:36,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:00:36,879 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:00:36,879 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:00:36,879 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:00:36,879 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:00:36,879 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:00:36,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:00:36,880 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_e1bb7950-0bdb-4092-b4ef-c269b11e3591/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 -> bf0ba25fe26682d00fcbd742510a570b9ca53290 [2018-11-18 13:00:36,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:00:36,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:00:36,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:00:36,934 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:00:36,934 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:00:36,935 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0621b_true-unreach-call.c [2018-11-18 13:00:36,981 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/data/62c08f585/34f8c18a69a349f2a96587caff9406e5/FLAGa1b9bb17a [2018-11-18 13:00:37,329 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:00:37,329 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/sv-benchmarks/c/float-newlib/double_req_bl_0621b_true-unreach-call.c [2018-11-18 13:00:37,334 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/data/62c08f585/34f8c18a69a349f2a96587caff9406e5/FLAGa1b9bb17a [2018-11-18 13:00:37,344 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/data/62c08f585/34f8c18a69a349f2a96587caff9406e5 [2018-11-18 13:00:37,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:00:37,348 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:00:37,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:00:37,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:00:37,355 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:00:37,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:00:37" (1/1) ... [2018-11-18 13:00:37,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac16c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37, skipping insertion in model container [2018-11-18 13:00:37,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:00:37" (1/1) ... [2018-11-18 13:00:37,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:00:37,379 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:00:37,513 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:00:37,520 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:00:37,546 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:00:37,561 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:00:37,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37 WrapperNode [2018-11-18 13:00:37,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:00:37,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:00:37,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:00:37,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:00:37,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37" (1/1) ... [2018-11-18 13:00:37,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37" (1/1) ... [2018-11-18 13:00:37,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37" (1/1) ... [2018-11-18 13:00:37,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37" (1/1) ... [2018-11-18 13:00:37,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37" (1/1) ... [2018-11-18 13:00:37,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37" (1/1) ... [2018-11-18 13:00:37,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37" (1/1) ... [2018-11-18 13:00:37,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:00:37,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:00:37,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:00:37,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:00:37,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/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 13:00:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:00:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:00:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-18 13:00:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-11-18 13:00:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:00:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:00:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 13:00:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-18 13:00:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:00:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 13:00:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:00:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:00:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:00:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 13:00:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-11-18 13:00:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:00:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:00:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 13:00:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:00:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:00:38,100 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:00:38,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:00:38 BoogieIcfgContainer [2018-11-18 13:00:38,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:00:38,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:00:38,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:00:38,103 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:00:38,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:00:37" (1/3) ... [2018-11-18 13:00:38,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361ff1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:00:38, skipping insertion in model container [2018-11-18 13:00:38,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:37" (2/3) ... [2018-11-18 13:00:38,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361ff1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:00:38, skipping insertion in model container [2018-11-18 13:00:38,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:00:38" (3/3) ... [2018-11-18 13:00:38,105 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621b_true-unreach-call.c [2018-11-18 13:00:38,111 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:00:38,116 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:00:38,129 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:00:38,155 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:00:38,156 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:00:38,156 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:00:38,156 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:00:38,156 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:00:38,156 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:00:38,156 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:00:38,156 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:00:38,157 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:00:38,168 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-11-18 13:00:38,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 13:00:38,173 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:00:38,174 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:38,175 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:00:38,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:38,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1766070720, now seen corresponding path program 1 times [2018-11-18 13:00:38,180 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:38,180 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:38,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:38,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:00:38,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:00:38,300 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 13:00:38,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:00:38,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:00:38,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:00:38,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:00:38,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:00:38,313 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2018-11-18 13:00:38,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:00:38,331 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2018-11-18 13:00:38,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:00:38,332 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 13:00:38,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:00:38,341 INFO L225 Difference]: With dead ends: 86 [2018-11-18 13:00:38,341 INFO L226 Difference]: Without dead ends: 43 [2018-11-18 13:00:38,343 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:00:38,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-18 13:00:38,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-18 13:00:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-18 13:00:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2018-11-18 13:00:38,368 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 18 [2018-11-18 13:00:38,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:00:38,368 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2018-11-18 13:00:38,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:00:38,368 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2018-11-18 13:00:38,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:00:38,369 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:00:38,369 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:38,370 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:00:38,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:38,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1849258819, now seen corresponding path program 1 times [2018-11-18 13:00:38,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:38,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:38,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:38,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:00:38,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:38,458 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 13:00:38,477 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 13:00:38,478 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 13:00:38,478 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-11-18 13:00:38,478 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450971 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 13:00:38,479 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 13:00:38,479 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450958 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-11-18 13:00:38,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:00:38 BoogieIcfgContainer [2018-11-18 13:00:38,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:00:38,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:00:38,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:00:38,490 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:00:38,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:00:38" (3/4) ... [2018-11-18 13:00:38,494 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:00:38,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:00:38,495 INFO L168 Benchmark]: Toolchain (without parser) took 1148.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:00:38,496 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:00:38,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.37 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 937.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:00:38,498 INFO L168 Benchmark]: Boogie Preprocessor took 88.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -209.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:00:38,499 INFO L168 Benchmark]: RCFGBuilder took 449.75 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:00:38,499 INFO L168 Benchmark]: TraceAbstraction took 388.88 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:00:38,500 INFO L168 Benchmark]: Witness Printer took 4.83 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 13:00:38,502 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.37 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 937.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -209.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 449.75 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 388.88 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.83 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450971 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450958 could not be translated for associated CType ARRAY#_11_~DOUBLE# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82, overapproximation of bitwiseAnd at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 144. Possible FailurePath: [L37-L42] FCALL static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] FCALL static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] FCALL static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450969, \old(one_atan)=6442450961, \old(pi)=6442450966, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450964, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L141] double x = -1.0 / 0.0; VAL [aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L142] CALL, EXPR atan_double(x) VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L65] double w, s1, s2, z; [L66] __int32_t ix, hx, id; VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L69] FCALL ieee_double_shape_type gh_u; [L70] FCALL gh_u.value = (x) [L71] EXPR, FCALL gh_u.parts.msw [L71] (hx) = gh_u.parts.msw [L72] COND FALSE !(0) VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L73] ix = hx & 0x7fffffff VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L74] COND TRUE ix >= 0x44100000 [L75] __uint32_t low; VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=2146435072, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L77] FCALL ieee_double_shape_type gl_u; [L78] FCALL gl_u.value = (x) [L79] EXPR, FCALL gl_u.parts.lsw [L79] (low) = gl_u.parts.lsw [L80] COND FALSE !(0) VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=2146435072, low=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L81] COND TRUE ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0)) [L82] RET return x + x; VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=2146435072, low=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L142] EXPR atan_double(x) VAL [aT_atan={6442450955:0}, atan_double(x)=6442450954, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L142] double res = atan_double(x); [L144] COND TRUE res != -pi_o_2 VAL [aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=6442450954, x=6442450947] [L145] __VERIFIER_error() VAL [aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=6442450954, x=6442450947] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate 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 13:00:40,151 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:00:40,152 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:00:40,161 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:00:40,161 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:00:40,162 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:00:40,163 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:00:40,164 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:00:40,165 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:00:40,166 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:00:40,166 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:00:40,167 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:00:40,167 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:00:40,168 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:00:40,169 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:00:40,169 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:00:40,170 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:00:40,171 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:00:40,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:00:40,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:00:40,175 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:00:40,175 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:00:40,177 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:00:40,177 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:00:40,178 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:00:40,181 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:00:40,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:00:40,185 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:00:40,185 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:00:40,186 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:00:40,186 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:00:40,187 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:00:40,187 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:00:40,187 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:00:40,188 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:00:40,188 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:00:40,188 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 13:00:40,198 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:00:40,199 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:00:40,199 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:00:40,200 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:00:40,200 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:00:40,200 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:00:40,200 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:00:40,200 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:00:40,201 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:00:40,201 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:00:40,201 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:00:40,201 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:00:40,201 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:00:40,201 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:00:40,201 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:00:40,202 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:00:40,202 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:00:40,202 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:00:40,202 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:00:40,202 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:00:40,202 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:00:40,203 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:00:40,203 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:00:40,203 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:00:40,203 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:00:40,203 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:00:40,203 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:00:40,203 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:00:40,204 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 13:00:40,204 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:00:40,204 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:00:40,204 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:00:40,204 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_e1bb7950-0bdb-4092-b4ef-c269b11e3591/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 -> bf0ba25fe26682d00fcbd742510a570b9ca53290 [2018-11-18 13:00:40,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:00:40,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:00:40,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:00:40,251 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:00:40,252 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:00:40,252 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0621b_true-unreach-call.c [2018-11-18 13:00:40,300 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/data/df7f3f169/a7e53a2f73664149bc9a1353149dab6c/FLAG606c08673 [2018-11-18 13:00:40,656 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:00:40,656 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/sv-benchmarks/c/float-newlib/double_req_bl_0621b_true-unreach-call.c [2018-11-18 13:00:40,661 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/data/df7f3f169/a7e53a2f73664149bc9a1353149dab6c/FLAG606c08673 [2018-11-18 13:00:40,671 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/data/df7f3f169/a7e53a2f73664149bc9a1353149dab6c [2018-11-18 13:00:40,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:00:40,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:00:40,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:00:40,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:00:40,678 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:00:40,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:00:40" (1/1) ... [2018-11-18 13:00:40,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78febe02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40, skipping insertion in model container [2018-11-18 13:00:40,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:00:40" (1/1) ... [2018-11-18 13:00:40,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:00:40,709 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:00:40,871 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:00:40,880 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:00:40,923 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:00:40,950 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:00:40,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40 WrapperNode [2018-11-18 13:00:40,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:00:40,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:00:40,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:00:40,951 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:00:40,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40" (1/1) ... [2018-11-18 13:00:40,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40" (1/1) ... [2018-11-18 13:00:40,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40" (1/1) ... [2018-11-18 13:00:40,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40" (1/1) ... [2018-11-18 13:00:40,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40" (1/1) ... [2018-11-18 13:00:41,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40" (1/1) ... [2018-11-18 13:00:41,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40" (1/1) ... [2018-11-18 13:00:41,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:00:41,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:00:41,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:00:41,066 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:00:41,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/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 13:00:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:00:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:00:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-18 13:00:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-11-18 13:00:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:00:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:00:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 13:00:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-18 13:00:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:00:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 13:00:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 13:00:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:00:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 13:00:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 13:00:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-11-18 13:00:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:00:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:00:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 13:00:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:00:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 13:00:41,289 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:00:41,307 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:00:41,410 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:00:46,513 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:00:57,760 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:00:57,765 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:00:57,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:00:57 BoogieIcfgContainer [2018-11-18 13:00:57,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:00:57,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:00:57,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:00:57,768 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:00:57,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:00:40" (1/3) ... [2018-11-18 13:00:57,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24349cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:00:57, skipping insertion in model container [2018-11-18 13:00:57,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:40" (2/3) ... [2018-11-18 13:00:57,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24349cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:00:57, skipping insertion in model container [2018-11-18 13:00:57,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:00:57" (3/3) ... [2018-11-18 13:00:57,776 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621b_true-unreach-call.c [2018-11-18 13:00:57,784 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:00:57,792 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:00:57,808 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:00:57,840 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:00:57,841 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:00:57,841 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:00:57,841 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:00:57,841 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:00:57,841 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:00:57,842 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:00:57,842 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:00:57,842 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:00:57,860 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-11-18 13:00:57,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 13:00:57,865 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:00:57,866 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:57,868 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:00:57,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:57,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1766070720, now seen corresponding path program 1 times [2018-11-18 13:00:57,874 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:00:57,874 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/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 13:00:57,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:00:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:00:57,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:00:58,000 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 13:00:58,001 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:00:58,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:00:58,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:00:58,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:00:58,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:00:58,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:00:58,023 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2018-11-18 13:00:58,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:00:58,036 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2018-11-18 13:00:58,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:00:58,037 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 13:00:58,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:00:58,043 INFO L225 Difference]: With dead ends: 47 [2018-11-18 13:00:58,043 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:00:58,046 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:00:58,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:00:58,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:00:58,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:00:58,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:00:58,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-11-18 13:00:58,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:00:58,067 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:00:58,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:00:58,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:00:58,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:00:58,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:00:58,151 INFO L425 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 17 31) no Hoare annotation was computed. [2018-11-18 13:00:58,151 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 13:00:58,151 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 13:00:58,151 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-11-18 13:00:58,152 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 17 31) no Hoare annotation was computed. [2018-11-18 13:00:58,152 INFO L428 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 17 31) the Hoare annotation is: true [2018-11-18 13:00:58,152 INFO L425 ceAbstractionStarter]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2018-11-18 13:00:58,152 INFO L425 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 17 31) no Hoare annotation was computed. [2018-11-18 13:00:58,152 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:00:58,152 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:00:58,152 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:00:58,152 INFO L428 ceAbstractionStarter]: At program point L68-3(lines 68 72) the Hoare annotation is: true [2018-11-18 13:00:58,152 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-11-18 13:00:58,153 INFO L425 ceAbstractionStarter]: For program point L68-4(lines 68 72) no Hoare annotation was computed. [2018-11-18 13:00:58,153 INFO L425 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-11-18 13:00:58,153 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-11-18 13:00:58,154 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-11-18 13:00:58,154 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-11-18 13:00:58,154 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-18 13:00:58,154 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-11-18 13:00:58,154 INFO L428 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-11-18 13:00:58,155 INFO L425 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-11-18 13:00:58,155 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-11-18 13:00:58,155 INFO L425 ceAbstractionStarter]: For program point atan_doubleEXIT(lines 64 132) no Hoare annotation was computed. [2018-11-18 13:00:58,155 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-11-18 13:00:58,155 INFO L428 ceAbstractionStarter]: At program point atan_doubleENTRY(lines 64 132) the Hoare annotation is: true [2018-11-18 13:00:58,155 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-11-18 13:00:58,155 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-18 13:00:58,155 INFO L425 ceAbstractionStarter]: For program point atan_doubleFINAL(lines 64 132) no Hoare annotation was computed. [2018-11-18 13:00:58,155 INFO L428 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-11-18 13:00:58,156 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-11-18 13:00:58,156 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 74 87) no Hoare annotation was computed. [2018-11-18 13:00:58,156 INFO L425 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-11-18 13:00:58,156 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-11-18 13:00:58,156 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 13:00:58,156 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:00:58,156 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 13:00:58,156 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:00:58,156 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:00:58,156 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 13:00:58,157 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2018-11-18 13:00:58,157 INFO L428 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: true [2018-11-18 13:00:58,157 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 134 149) the Hoare annotation is: true [2018-11-18 13:00:58,158 INFO L425 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-11-18 13:00:58,158 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 134 149) no Hoare annotation was computed. [2018-11-18 13:00:58,158 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 134 149) no Hoare annotation was computed. [2018-11-18 13:00:58,158 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-18 13:00:58,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:00:58 BoogieIcfgContainer [2018-11-18 13:00:58,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:00:58,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:00:58,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:00:58,163 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:00:58,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:00:57" (3/4) ... [2018-11-18 13:00:58,166 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:00:58,171 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-11-18 13:00:58,171 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:00:58,171 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2018-11-18 13:00:58,172 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:00:58,176 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 13:00:58,177 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:00:58,177 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:00:58,177 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:00:58,229 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e1bb7950-0bdb-4092-b4ef-c269b11e3591/bin-2019/uautomizer/witness.graphml [2018-11-18 13:00:58,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:00:58,229 INFO L168 Benchmark]: Toolchain (without parser) took 17555.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -108.7 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:00:58,231 INFO L168 Benchmark]: CDTParser took 0.55 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 13:00:58,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.62 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:00:58,231 INFO L168 Benchmark]: Boogie Preprocessor took 114.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -206.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:00:58,232 INFO L168 Benchmark]: RCFGBuilder took 16700.05 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: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:00:58,232 INFO L168 Benchmark]: TraceAbstraction took 396.58 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:00:58,232 INFO L168 Benchmark]: Witness Printer took 65.64 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 13:00:58,234 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 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 275.62 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 114.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -206.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16700.05 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: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 396.58 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 65.64 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: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 11 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 11 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 1 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...