./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a_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_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/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 04e5b929de4769f01a6c1d571d92eec73b544ab1 .......................................................................................................................................................................................................................................................................................................................................................... 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_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/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 04e5b929de4769f01a6c1d571d92eec73b544ab1 ................................................................................................................................................................................................................................................................................................................................................ 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 14:17:59,855 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:17:59,856 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:17:59,861 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:17:59,862 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:17:59,862 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:17:59,863 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:17:59,865 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:17:59,866 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:17:59,867 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:17:59,867 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:17:59,868 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:17:59,869 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:17:59,869 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:17:59,870 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:17:59,871 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:17:59,871 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:17:59,873 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:17:59,875 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:17:59,876 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:17:59,877 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:17:59,878 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:17:59,880 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:17:59,880 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:17:59,880 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:17:59,881 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:17:59,882 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:17:59,882 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:17:59,883 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:17:59,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:17:59,884 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:17:59,885 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:17:59,885 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:17:59,885 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:17:59,886 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:17:59,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:17:59,887 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 14:17:59,898 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:17:59,898 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:17:59,898 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:17:59,899 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:17:59,899 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:17:59,899 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:17:59,899 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:17:59,900 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:17:59,900 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:17:59,900 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:17:59,901 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:17:59,901 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:17:59,901 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:17:59,901 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:17:59,901 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:17:59,901 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:17:59,901 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:17:59,902 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:17:59,902 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:17:59,902 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:17:59,902 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:17:59,902 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:17:59,902 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:17:59,903 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:17:59,903 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:17:59,903 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:17:59,903 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:17:59,903 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:17:59,903 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:17:59,905 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:17:59,905 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_fd210b2f-aa50-4d79-9512-0820cde0abe4/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 -> 04e5b929de4769f01a6c1d571d92eec73b544ab1 [2018-11-18 14:17:59,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:17:59,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:17:59,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:17:59,939 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:17:59,939 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:17:59,940 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0620a_true-unreach-call.c [2018-11-18 14:17:59,976 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/data/39f5656d2/58e58715d7e04f4baf983f3e43961a2e/FLAGe6cdffabb [2018-11-18 14:18:00,384 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:18:00,384 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/sv-benchmarks/c/float-newlib/double_req_bl_0620a_true-unreach-call.c [2018-11-18 14:18:00,388 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/data/39f5656d2/58e58715d7e04f4baf983f3e43961a2e/FLAGe6cdffabb [2018-11-18 14:18:00,398 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/data/39f5656d2/58e58715d7e04f4baf983f3e43961a2e [2018-11-18 14:18:00,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:18:00,400 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 14:18:00,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:18:00,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:18:00,404 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:18:00,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:18:00" (1/1) ... [2018-11-18 14:18:00,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644a6f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00, skipping insertion in model container [2018-11-18 14:18:00,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:18:00" (1/1) ... [2018-11-18 14:18:00,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:18:00,436 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:18:00,577 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:18:00,582 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:18:00,605 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:18:00,657 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:18:00,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00 WrapperNode [2018-11-18 14:18:00,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:18:00,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:18:00,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:18:00,658 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:18:00,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00" (1/1) ... [2018-11-18 14:18:00,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00" (1/1) ... [2018-11-18 14:18:00,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00" (1/1) ... [2018-11-18 14:18:00,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00" (1/1) ... [2018-11-18 14:18:00,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00" (1/1) ... [2018-11-18 14:18:00,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00" (1/1) ... [2018-11-18 14:18:00,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00" (1/1) ... [2018-11-18 14:18:00,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:18:00,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:18:00,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:18:00,691 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:18:00,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/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 14:18:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:18:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:18:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-18 14:18:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-11-18 14:18:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 14:18:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:18:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 14:18:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 14:18:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-18 14:18:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:18:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 14:18:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 14:18:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:18:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 14:18:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 14:18:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-11-18 14:18:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 14:18:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:18:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:18:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 14:18:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:18:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 14:18:00,989 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:18:00,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:18:00 BoogieIcfgContainer [2018-11-18 14:18:00,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:18:00,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:18:00,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:18:00,992 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:18:00,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:18:00" (1/3) ... [2018-11-18 14:18:00,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a894c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:18:00, skipping insertion in model container [2018-11-18 14:18:00,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:00" (2/3) ... [2018-11-18 14:18:00,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a894c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:18:00, skipping insertion in model container [2018-11-18 14:18:00,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:18:00" (3/3) ... [2018-11-18 14:18:00,994 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a_true-unreach-call.c [2018-11-18 14:18:00,999 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:18:01,004 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:18:01,012 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:18:01,029 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:18:01,029 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:18:01,029 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:18:01,029 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:18:01,030 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:18:01,030 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:18:01,030 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:18:01,030 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:18:01,030 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:18:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-11-18 14:18:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 14:18:01,044 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:01,045 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:18:01,046 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:01,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:01,050 INFO L82 PathProgramCache]: Analyzing trace with hash 2076882957, now seen corresponding path program 1 times [2018-11-18 14:18:01,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:18:01,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:18:01,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:01,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:01,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:01,164 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 14:18:01,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:18:01,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:18:01,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:18:01,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:18:01,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:18:01,178 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2018-11-18 14:18:01,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:01,192 INFO L93 Difference]: Finished difference Result 104 states and 150 transitions. [2018-11-18 14:18:01,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:18:01,193 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 14:18:01,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:01,199 INFO L225 Difference]: With dead ends: 104 [2018-11-18 14:18:01,199 INFO L226 Difference]: Without dead ends: 52 [2018-11-18 14:18:01,201 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 14:18:01,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-18 14:18:01,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-18 14:18:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-18 14:18:01,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2018-11-18 14:18:01,225 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 19 [2018-11-18 14:18:01,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:01,225 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2018-11-18 14:18:01,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:18:01,225 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-11-18 14:18:01,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 14:18:01,226 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:01,226 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, 1] [2018-11-18 14:18:01,227 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:01,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:01,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2096314160, now seen corresponding path program 1 times [2018-11-18 14:18:01,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:18:01,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:18:01,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:01,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:01,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:18:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:18:01,308 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 14:18:01,326 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450971 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 14:18:01,326 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-11-18 14:18:01,326 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450958 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-11-18 14:18:01,327 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 14:18:01,327 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 14:18:01,327 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 14:18:01,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:18:01 BoogieIcfgContainer [2018-11-18 14:18:01,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:18:01,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:18:01,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:18:01,339 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:18:01,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:18:00" (3/4) ... [2018-11-18 14:18:01,342 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 14:18:01,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:18:01,342 INFO L168 Benchmark]: Toolchain (without parser) took 942.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 953.8 MB in the beginning and 1.0 GB in the end (delta: -81.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:18:01,343 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:18:01,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:18:01,344 INFO L168 Benchmark]: Boogie Preprocessor took 32.94 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:18:01,345 INFO L168 Benchmark]: RCFGBuilder took 298.76 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: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:18:01,345 INFO L168 Benchmark]: TraceAbstraction took 347.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:18:01,346 INFO L168 Benchmark]: Witness Printer took 3.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:18:01,348 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.94 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 298.76 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: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 347.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 6442450971 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450958 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450956 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 6442450965 could not be translated for associated CType ARRAY#_4_~DOUBLE# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 159]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 154, overapproximation of bitwiseAnd at line 73, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 158. 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)=6442450970, \old(one_atan)=6442450961, \old(pi)=6442450967, \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] [L154] double x = -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] [L155] 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=2146435073, 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=2146435073, 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=2146435073, low=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L155] EXPR atan_double(x) VAL [aT_atan={6442450955:0}, atan_double(x)=6442450952, 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] [L155] double res = atan_double(x); [L158] EXPR res == -0.0 && __signbit_double(res) == 1 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=6442450952, res == -0.0 && __signbit_double(res) == 1=0, x=6442450947] [L158] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L159] __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=6442450952, x=6442450947] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 56 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 67 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=56occurred 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, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 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 14:18:02,793 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:18:02,794 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:18:02,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:18:02,802 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:18:02,803 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:18:02,804 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:18:02,805 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:18:02,806 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:18:02,807 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:18:02,808 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:18:02,808 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:18:02,809 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:18:02,809 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:18:02,810 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:18:02,810 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:18:02,811 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:18:02,813 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:18:02,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:18:02,815 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:18:02,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:18:02,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:18:02,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:18:02,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:18:02,818 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:18:02,819 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:18:02,820 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:18:02,821 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:18:02,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:18:02,822 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:18:02,822 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:18:02,822 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:18:02,823 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:18:02,823 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:18:02,823 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:18:02,824 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:18:02,824 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 14:18:02,837 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:18:02,837 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:18:02,838 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:18:02,838 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:18:02,838 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:18:02,838 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:18:02,839 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:18:02,839 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:18:02,839 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:18:02,839 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:18:02,839 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:18:02,839 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:18:02,839 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:18:02,840 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:18:02,840 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 14:18:02,840 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 14:18:02,840 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:18:02,840 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:18:02,840 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:18:02,841 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:18:02,841 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:18:02,841 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:18:02,841 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:18:02,841 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:18:02,841 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:18:02,841 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:18:02,842 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:18:02,842 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:18:02,842 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 14:18:02,842 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:18:02,842 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 14:18:02,842 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 14:18:02,842 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_fd210b2f-aa50-4d79-9512-0820cde0abe4/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 -> 04e5b929de4769f01a6c1d571d92eec73b544ab1 [2018-11-18 14:18:02,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:18:02,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:18:02,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:18:02,886 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:18:02,886 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:18:02,887 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0620a_true-unreach-call.c [2018-11-18 14:18:02,929 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/data/9afdd02ed/909328e9dd20471a81cf0b6fdf48c51c/FLAG5f15163e7 [2018-11-18 14:18:03,326 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:18:03,326 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/sv-benchmarks/c/float-newlib/double_req_bl_0620a_true-unreach-call.c [2018-11-18 14:18:03,331 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/data/9afdd02ed/909328e9dd20471a81cf0b6fdf48c51c/FLAG5f15163e7 [2018-11-18 14:18:03,340 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/data/9afdd02ed/909328e9dd20471a81cf0b6fdf48c51c [2018-11-18 14:18:03,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:18:03,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 14:18:03,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:18:03,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:18:03,347 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:18:03,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:18:03" (1/1) ... [2018-11-18 14:18:03,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689feb36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03, skipping insertion in model container [2018-11-18 14:18:03,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:18:03" (1/1) ... [2018-11-18 14:18:03,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:18:03,380 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:18:03,525 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:18:03,534 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:18:03,570 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:18:03,593 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:18:03,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03 WrapperNode [2018-11-18 14:18:03,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:18:03,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:18:03,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:18:03,595 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:18:03,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03" (1/1) ... [2018-11-18 14:18:03,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03" (1/1) ... [2018-11-18 14:18:03,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03" (1/1) ... [2018-11-18 14:18:03,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03" (1/1) ... [2018-11-18 14:18:03,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03" (1/1) ... [2018-11-18 14:18:03,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03" (1/1) ... [2018-11-18 14:18:03,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03" (1/1) ... [2018-11-18 14:18:03,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:18:03,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:18:03,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:18:03,676 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:18:03,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/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 14:18:03,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:18:03,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:18:03,711 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-18 14:18:03,711 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-11-18 14:18:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 14:18:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:18:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 14:18:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 14:18:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-18 14:18:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:18:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:18:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 14:18:03,836 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:18:03,891 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:18:03,907 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:18:04,000 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:18:06,283 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:18:16,684 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:18:19,842 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:18:19,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:18:19 BoogieIcfgContainer [2018-11-18 14:18:19,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:18:19,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:18:19,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:18:19,845 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:18:19,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:18:03" (1/3) ... [2018-11-18 14:18:19,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bcac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:18:19, skipping insertion in model container [2018-11-18 14:18:19,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:18:03" (2/3) ... [2018-11-18 14:18:19,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bcac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:18:19, skipping insertion in model container [2018-11-18 14:18:19,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:18:19" (3/3) ... [2018-11-18 14:18:19,847 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a_true-unreach-call.c [2018-11-18 14:18:19,853 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:18:19,858 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:18:19,867 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:18:19,885 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:18:19,886 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:18:19,886 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:18:19,886 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:18:19,886 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:18:19,886 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:18:19,886 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:18:19,886 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:18:19,886 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:18:19,898 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-11-18 14:18:19,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 14:18:19,902 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:19,902 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:18:19,904 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:19,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:19,907 INFO L82 PathProgramCache]: Analyzing trace with hash 2076882957, now seen corresponding path program 1 times [2018-11-18 14:18:19,909 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 14:18:19,909 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/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 14:18:19,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:20,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:18:20,038 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 14:18:20,038 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 14:18:20,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:18:20,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:18:20,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:18:20,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:18:20,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:18:20,067 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2018-11-18 14:18:20,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:20,081 INFO L93 Difference]: Finished difference Result 56 states and 78 transitions. [2018-11-18 14:18:20,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:18:20,082 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 14:18:20,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:20,088 INFO L225 Difference]: With dead ends: 56 [2018-11-18 14:18:20,088 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:18:20,091 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 14:18:20,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:18:20,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:18:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:18:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:18:20,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-11-18 14:18:20,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:20,113 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:18:20,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:18:20,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:18:20,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:18:20,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:18:20,161 INFO L425 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 17 31) no Hoare annotation was computed. [2018-11-18 14:18:20,161 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 14:18:20,161 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 14:18:20,161 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-11-18 14:18:20,162 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 17 31) no Hoare annotation was computed. [2018-11-18 14:18:20,162 INFO L428 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 17 31) the Hoare annotation is: true [2018-11-18 14:18:20,162 INFO L425 ceAbstractionStarter]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2018-11-18 14:18:20,162 INFO L425 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 17 31) no Hoare annotation was computed. [2018-11-18 14:18:20,162 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:18:20,162 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:18:20,162 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:18:20,162 INFO L428 ceAbstractionStarter]: At program point L68-3(lines 68 72) the Hoare annotation is: true [2018-11-18 14:18:20,162 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-11-18 14:18:20,162 INFO L425 ceAbstractionStarter]: For program point L68-4(lines 68 72) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L428 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point atan_doubleEXIT(lines 64 132) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-11-18 14:18:20,163 INFO L428 ceAbstractionStarter]: At program point atan_doubleENTRY(lines 64 132) the Hoare annotation is: true [2018-11-18 14:18:20,163 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-11-18 14:18:20,164 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-18 14:18:20,164 INFO L425 ceAbstractionStarter]: For program point atan_doubleFINAL(lines 64 132) no Hoare annotation was computed. [2018-11-18 14:18:20,164 INFO L428 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-11-18 14:18:20,164 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-11-18 14:18:20,164 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 74 87) no Hoare annotation was computed. [2018-11-18 14:18:20,164 INFO L425 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-11-18 14:18:20,164 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-11-18 14:18:20,164 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 14:18:20,164 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 134 144) no Hoare annotation was computed. [2018-11-18 14:18:20,164 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 134 144) no Hoare annotation was computed. [2018-11-18 14:18:20,164 INFO L428 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 134 144) the Hoare annotation is: true [2018-11-18 14:18:20,165 INFO L425 ceAbstractionStarter]: For program point L137-1(lines 137 141) no Hoare annotation was computed. [2018-11-18 14:18:20,165 INFO L428 ceAbstractionStarter]: At program point L137-3(lines 137 141) the Hoare annotation is: true [2018-11-18 14:18:20,165 INFO L425 ceAbstractionStarter]: For program point L137-4(lines 137 141) no Hoare annotation was computed. [2018-11-18 14:18:20,165 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:18:20,165 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 14:18:20,165 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:18:20,165 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:18:20,165 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-18 14:18:20,165 INFO L425 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-11-18 14:18:20,165 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 146 164) the Hoare annotation is: true [2018-11-18 14:18:20,165 INFO L428 ceAbstractionStarter]: At program point L158-1(line 158) the Hoare annotation is: true [2018-11-18 14:18:20,165 INFO L425 ceAbstractionStarter]: For program point L158-2(line 158) no Hoare annotation was computed. [2018-11-18 14:18:20,165 INFO L428 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: true [2018-11-18 14:18:20,166 INFO L425 ceAbstractionStarter]: For program point L155-1(line 155) no Hoare annotation was computed. [2018-11-18 14:18:20,166 INFO L425 ceAbstractionStarter]: For program point L158-4(lines 158 161) no Hoare annotation was computed. [2018-11-18 14:18:20,166 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 146 164) no Hoare annotation was computed. [2018-11-18 14:18:20,166 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2018-11-18 14:18:20,166 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 146 164) no Hoare annotation was computed. [2018-11-18 14:18:20,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:18:20 BoogieIcfgContainer [2018-11-18 14:18:20,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:18:20,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:18:20,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:18:20,170 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:18:20,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:18:19" (3/4) ... [2018-11-18 14:18:20,173 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:18:20,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-11-18 14:18:20,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:18:20,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2018-11-18 14:18:20,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-11-18 14:18:20,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:18:20,181 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-18 14:18:20,181 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 14:18:20,182 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:18:20,182 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 14:18:20,223 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd210b2f-aa50-4d79-9512-0820cde0abe4/bin-2019/uautomizer/witness.graphml [2018-11-18 14:18:20,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:18:20,224 INFO L168 Benchmark]: Toolchain (without parser) took 16881.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 943.8 MB in the beginning and 1.0 GB in the end (delta: -104.6 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:18:20,225 INFO L168 Benchmark]: CDTParser took 0.15 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 14:18:20,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.32 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 927.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:18:20,225 INFO L168 Benchmark]: Boogie Preprocessor took 81.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -205.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:18:20,226 INFO L168 Benchmark]: RCFGBuilder took 16167.13 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: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:18:20,226 INFO L168 Benchmark]: TraceAbstraction took 326.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:18:20,226 INFO L168 Benchmark]: Witness Printer took 53.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:18:20,228 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.32 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 927.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -205.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16167.13 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: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 326.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Witness Printer took 53.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 159]: 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: 137]: 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 6 procedures, 56 locations, 1 error locations. SAFE Result, 0.2s 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, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 14 LocationsWithAnnotation, 14 PreInvPairs, 14 NumberOfFragments, 14 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 67 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! Received shutdown request...