./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0250b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0250b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c2ea93ce7d7bb69fdc51471a426b8c62557813c ......................................................................................................................................................................................................................................................................................................................................................... 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_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0250b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c2ea93ce7d7bb69fdc51471a426b8c62557813c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:32:16,890 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:32:16,891 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:32:16,897 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:32:16,897 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:32:16,897 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:32:16,898 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:32:16,899 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:32:16,900 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:32:16,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:32:16,900 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:32:16,901 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:32:16,901 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:32:16,902 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:32:16,902 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:32:16,902 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:32:16,903 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:32:16,904 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:32:16,905 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:32:16,905 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:32:16,906 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:32:16,906 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:32:16,907 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:32:16,907 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:32:16,908 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:32:16,908 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:32:16,909 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:32:16,909 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:32:16,909 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:32:16,910 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:32:16,910 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:32:16,910 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:32:16,910 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:32:16,911 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:32:16,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:32:16,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:32:16,912 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:32:16,918 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:32:16,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:32:16,919 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:32:16,919 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:32:16,919 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:32:16,920 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:32:16,920 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:32:16,920 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:32:16,920 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:32:16,920 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:32:16,920 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:32:16,920 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:32:16,920 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:32:16,921 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:32:16,921 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:32:16,921 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:32:16,921 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:32:16,921 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:32:16,921 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:32:16,921 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:32:16,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:32:16,922 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:32:16,922 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:32:16,922 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:32:16,922 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:32:16,922 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:32:16,922 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:32:16,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:32:16,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:32:16,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:32:16,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:32:16,923 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:32:16,923 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:32:16,923 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:32:16,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:32:16,923 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:32:16,924 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c2ea93ce7d7bb69fdc51471a426b8c62557813c [2018-12-08 16:32:16,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:32:16,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:32:16,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:32:16,954 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:32:16,954 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:32:16,954 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0250b_true-unreach-call.c [2018-12-08 16:32:16,989 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/data/a386b4c8f/2603b2fe040b455389d8e13c5c220116/FLAG4e903fe98 [2018-12-08 16:32:17,282 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:32:17,283 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/sv-benchmarks/c/float-newlib/double_req_bl_0250b_true-unreach-call.c [2018-12-08 16:32:17,287 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/data/a386b4c8f/2603b2fe040b455389d8e13c5c220116/FLAG4e903fe98 [2018-12-08 16:32:17,715 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/data/a386b4c8f/2603b2fe040b455389d8e13c5c220116 [2018-12-08 16:32:17,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:32:17,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:32:17,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:32:17,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:32:17,722 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:32:17,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ddcec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17, skipping insertion in model container [2018-12-08 16:32:17,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:32:17,745 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:32:17,860 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:32:17,863 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:32:17,893 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:32:17,939 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:32:17,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17 WrapperNode [2018-12-08 16:32:17,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:32:17,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:32:17,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:32:17,940 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:32:17,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:32:17,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:32:17,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:32:17,961 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:32:17,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (1/1) ... [2018-12-08 16:32:17,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:32:17,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:32:17,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:32:17,990 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:32:17,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:32:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-08 16:32:18,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-08 16:32:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:32:18,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:32:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-12-08 16:32:18,022 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-12-08 16:32:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 16:32:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 16:32:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-08 16:32:18,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-08 16:32:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asin [2018-12-08 16:32:18,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asin [2018-12-08 16:32:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:32:18,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:32:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 16:32:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:32:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:32:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:32:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 16:32:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:32:18,298 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:32:18,298 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-08 16:32:18,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:18 BoogieIcfgContainer [2018-12-08 16:32:18,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:32:18,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:32:18,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:32:18,301 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:32:18,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:32:17" (1/3) ... [2018-12-08 16:32:18,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ae5ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:32:18, skipping insertion in model container [2018-12-08 16:32:18,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:17" (2/3) ... [2018-12-08 16:32:18,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ae5ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:32:18, skipping insertion in model container [2018-12-08 16:32:18,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:18" (3/3) ... [2018-12-08 16:32:18,303 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250b_true-unreach-call.c [2018-12-08 16:32:18,309 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:32:18,314 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:32:18,323 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:32:18,346 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:32:18,346 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:32:18,346 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:32:18,346 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:32:18,346 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:32:18,346 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:32:18,346 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:32:18,346 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:32:18,359 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-12-08 16:32:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 16:32:18,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:18,363 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:32:18,364 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:18,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:18,368 INFO L82 PathProgramCache]: Analyzing trace with hash -371336485, now seen corresponding path program 1 times [2018-12-08 16:32:18,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:32:18,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:18,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:18,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:18,398 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:32:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:18,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:32:18,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:32:18,472 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:32:18,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:32:18,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:32:18,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:32:18,485 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 2 states. [2018-12-08 16:32:18,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:18,506 INFO L93 Difference]: Finished difference Result 176 states and 268 transitions. [2018-12-08 16:32:18,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:32:18,507 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-08 16:32:18,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:18,513 INFO L225 Difference]: With dead ends: 176 [2018-12-08 16:32:18,514 INFO L226 Difference]: Without dead ends: 88 [2018-12-08 16:32:18,516 INFO L631 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 [2018-12-08 16:32:18,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-12-08 16:32:18,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-12-08 16:32:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-12-08 16:32:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 114 transitions. [2018-12-08 16:32:18,541 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 114 transitions. Word has length 23 [2018-12-08 16:32:18,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:18,541 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 114 transitions. [2018-12-08 16:32:18,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:32:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 114 transitions. [2018-12-08 16:32:18,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:32:18,542 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:18,542 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:32:18,542 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:18,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:18,542 INFO L82 PathProgramCache]: Analyzing trace with hash 887585606, now seen corresponding path program 1 times [2018-12-08 16:32:18,542 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:32:18,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:18,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:18,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:18,543 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:32:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:32:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:32:18,593 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 16:32:18,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:32:18 BoogieIcfgContainer [2018-12-08 16:32:18,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:32:18,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:32:18,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:32:18,620 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:32:18,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:18" (3/4) ... [2018-12-08 16:32:18,622 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 16:32:18,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:32:18,623 INFO L168 Benchmark]: Toolchain (without parser) took 904.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -60.3 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:18,624 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:32:18,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:18,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.76 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:18,625 INFO L168 Benchmark]: Boogie Preprocessor took 28.45 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:18,625 INFO L168 Benchmark]: RCFGBuilder took 308.71 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:18,625 INFO L168 Benchmark]: TraceAbstraction took 319.94 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:18,626 INFO L168 Benchmark]: Witness Printer took 3.17 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. [2018-12-08 16:32:18,627 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 220.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.76 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.45 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 308.71 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 319.94 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.17 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.traceabstraction: - UnprovableResult [Line: 243]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 152, overapproximation of someBinaryArithmeticDOUBLEoperation at line 187, overapproximation of bitwiseAnd at line 170, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L146-L160] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [\old(huge_asin)=6442450968, \old(one_asin)=6442450960, \old(one_sqrt)=6442450958, \old(pio2_hi_asin)=6442450959, \old(pio2_lo_asin)=6442450951, \old(pio4_hi_asin)=6442450961, \old(pS0_asin)=6442450966, \old(pS1_asin)=6442450962, \old(pS2_asin)=6442450946, \old(pS3_asin)=6442450964, \old(pS4_asin)=6442450953, \old(pS5_asin)=6442450949, \old(qS1_asin)=6442450969, \old(qS2_asin)=6442450954, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450967, \old(tiny_sqrt)=6442450952, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] double x = -1.0 / 0.0; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L239] CALL, EXPR __ieee754_asin(x) VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L163] double t, w, p, q, c, r, s; [L164] __int32_t hx, ix; VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450957] [L166] ieee_double_shape_type gh_u; [L167] gh_u.value = (x) [L168] EXPR gh_u.parts.msw [L168] (hx) = gh_u.parts.msw [L170] ix = hx & 0x7fffffff VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450957] [L171] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450957] [L182] COND TRUE ix < 0x3fe00000 VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450957] [L183] COND FALSE !(ix < 0x3e400000) [L187] t = x * x [L188-L191] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L192-L193] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L194] w = p / q [L195] return x + x * w; VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450957] [L239] RET, EXPR __ieee754_asin(x) VAL [__ieee754_asin(x)=6442450947, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450957] [L239] double res = __ieee754_asin(x); [L242] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450947, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] return x != x; VAL [\old(x)=6442450947, \result=0, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450947] [L242] RET, EXPR isnan_double(res) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=6442450947, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450957] [L242] COND TRUE !isnan_double(res) [L243] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=6442450947, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450957] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 92 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 118 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=92occurred 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, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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 0.1.23-635dfa2 [2018-12-08 16:32:19,896 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:32:19,897 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:32:19,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:32:19,903 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:32:19,904 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:32:19,904 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:32:19,905 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:32:19,906 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:32:19,906 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:32:19,907 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:32:19,907 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:32:19,907 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:32:19,908 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:32:19,908 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:32:19,909 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:32:19,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:32:19,910 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:32:19,911 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:32:19,912 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:32:19,912 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:32:19,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:32:19,914 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:32:19,914 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:32:19,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:32:19,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:32:19,915 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:32:19,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:32:19,916 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:32:19,916 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:32:19,917 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:32:19,917 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:32:19,917 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:32:19,917 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:32:19,918 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:32:19,918 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:32:19,918 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 16:32:19,925 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:32:19,926 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:32:19,926 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:32:19,926 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:32:19,926 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:32:19,926 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:32:19,927 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:32:19,927 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:32:19,927 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:32:19,927 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:32:19,927 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:32:19,927 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:32:19,927 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:32:19,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:32:19,928 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:32:19,928 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:32:19,928 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:32:19,928 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 16:32:19,928 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 16:32:19,928 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:32:19,928 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:32:19,928 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:32:19,928 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:32:19,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:32:19,929 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:32:19,929 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:32:19,929 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:32:19,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:32:19,929 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:32:19,929 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:32:19,929 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:32:19,929 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 16:32:19,929 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:32:19,929 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 16:32:19,930 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 16:32:19,930 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_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c2ea93ce7d7bb69fdc51471a426b8c62557813c [2018-12-08 16:32:19,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:32:19,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:32:19,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:32:19,957 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:32:19,957 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:32:19,958 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0250b_true-unreach-call.c [2018-12-08 16:32:19,992 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/data/73f52f2b5/734d1157c8084d7b96ba78a45ec4b296/FLAG05c94919d [2018-12-08 16:32:20,342 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:32:20,342 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/sv-benchmarks/c/float-newlib/double_req_bl_0250b_true-unreach-call.c [2018-12-08 16:32:20,347 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/data/73f52f2b5/734d1157c8084d7b96ba78a45ec4b296/FLAG05c94919d [2018-12-08 16:32:20,355 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/data/73f52f2b5/734d1157c8084d7b96ba78a45ec4b296 [2018-12-08 16:32:20,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:32:20,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:32:20,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:32:20,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:32:20,360 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:32:20,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20, skipping insertion in model container [2018-12-08 16:32:20,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:32:20,380 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:32:20,504 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:32:20,508 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:32:20,544 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:32:20,561 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:32:20,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20 WrapperNode [2018-12-08 16:32:20,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:32:20,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:32:20,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:32:20,562 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:32:20,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:32:20,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:32:20,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:32:20,611 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:32:20,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (1/1) ... [2018-12-08 16:32:20,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:32:20,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:32:20,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:32:20,649 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:32:20,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:32:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-08 16:32:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-08 16:32:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-08 16:32:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 16:32:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:32:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:32:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-12-08 16:32:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-12-08 16:32:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-08 16:32:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-08 16:32:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asin [2018-12-08 16:32:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asin [2018-12-08 16:32:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:32:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:32:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:32:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 16:32:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:32:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:32:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 16:32:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:32:20,797 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:32:20,825 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:32:21,106 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:32:30,601 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:32:30,622 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:32:33,370 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:32:37,767 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:32:37,767 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-08 16:32:37,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:37 BoogieIcfgContainer [2018-12-08 16:32:37,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:32:37,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:32:37,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:32:37,770 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:32:37,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:32:20" (1/3) ... [2018-12-08 16:32:37,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d9d5c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:32:37, skipping insertion in model container [2018-12-08 16:32:37,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:20" (2/3) ... [2018-12-08 16:32:37,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d9d5c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:32:37, skipping insertion in model container [2018-12-08 16:32:37,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:37" (3/3) ... [2018-12-08 16:32:37,772 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250b_true-unreach-call.c [2018-12-08 16:32:37,778 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:32:37,784 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:32:37,795 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:32:37,812 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:32:37,813 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:32:37,813 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:32:37,813 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:32:37,813 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:32:37,813 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:32:37,813 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:32:37,813 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:32:37,813 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:32:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2018-12-08 16:32:37,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 16:32:37,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:37,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:32:37,828 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:37,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:37,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1056826159, now seen corresponding path program 1 times [2018-12-08 16:32:37,833 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 16:32:37,834 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 16:32:37,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:38,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:38,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:38,417 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:32:38,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:32:38,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:32:38,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:32:38,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:32:38,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:32:38,443 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 2 states. [2018-12-08 16:32:38,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:38,461 INFO L93 Difference]: Finished difference Result 174 states and 266 transitions. [2018-12-08 16:32:38,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:32:38,461 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-08 16:32:38,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:38,467 INFO L225 Difference]: With dead ends: 174 [2018-12-08 16:32:38,468 INFO L226 Difference]: Without dead ends: 87 [2018-12-08 16:32:38,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:32:38,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-12-08 16:32:38,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-12-08 16:32:38,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-08 16:32:38,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2018-12-08 16:32:38,495 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 22 [2018-12-08 16:32:38,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:38,495 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2018-12-08 16:32:38,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:32:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2018-12-08 16:32:38,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 16:32:38,496 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:38,496 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:32:38,496 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:38,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:38,497 INFO L82 PathProgramCache]: Analyzing trace with hash 688878657, now seen corresponding path program 1 times [2018-12-08 16:32:38,497 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 16:32:38,497 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-08 16:32:38,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:42,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:42,441 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:32:42,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:32:42,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:32:42,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:32:42,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:32:42,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:32:42,493 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand 7 states. [2018-12-08 16:32:56,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:56,769 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2018-12-08 16:32:56,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:32:56,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-08 16:32:56,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:56,772 INFO L225 Difference]: With dead ends: 102 [2018-12-08 16:32:56,772 INFO L226 Difference]: Without dead ends: 86 [2018-12-08 16:32:56,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:32:56,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-12-08 16:32:56,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2018-12-08 16:32:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-12-08 16:32:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 107 transitions. [2018-12-08 16:32:56,779 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 107 transitions. Word has length 23 [2018-12-08 16:32:56,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:56,780 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 107 transitions. [2018-12-08 16:32:56,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:32:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2018-12-08 16:32:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:32:56,780 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:56,780 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:32:56,780 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:56,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:56,781 INFO L82 PathProgramCache]: Analyzing trace with hash 802682061, now seen corresponding path program 1 times [2018-12-08 16:32:56,781 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 16:32:56,781 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-08 16:32:56,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:57,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:57,470 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:32:57,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:32:57,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:32:57,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:32:57,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:32:57,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:32:57,484 INFO L87 Difference]: Start difference. First operand 84 states and 107 transitions. Second operand 7 states. [2018-12-08 16:33:05,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:33:05,328 INFO L93 Difference]: Finished difference Result 96 states and 118 transitions. [2018-12-08 16:33:05,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:33:05,329 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-08 16:33:05,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:33:05,330 INFO L225 Difference]: With dead ends: 96 [2018-12-08 16:33:05,331 INFO L226 Difference]: Without dead ends: 86 [2018-12-08 16:33:05,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:33:05,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-12-08 16:33:05,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2018-12-08 16:33:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-12-08 16:33:05,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2018-12-08 16:33:05,338 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 106 transitions. Word has length 24 [2018-12-08 16:33:05,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:33:05,339 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 106 transitions. [2018-12-08 16:33:05,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:33:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2018-12-08 16:33:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:33:05,340 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:33:05,340 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:33:05,340 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:33:05,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:33:05,340 INFO L82 PathProgramCache]: Analyzing trace with hash 606168556, now seen corresponding path program 1 times [2018-12-08 16:33:05,341 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 16:33:05,341 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-08 16:33:05,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:33:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:06,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:33:10,524 WARN L854 $PredicateComparison]: unable to prove that (= (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_asin_#in~x| |c___ieee754_asin_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c___ieee754_asin_#res|) is different from true [2018-12-08 16:33:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:10,621 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:33:10,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:33:10,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 16:33:10,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:33:10,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:33:10,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-12-08 16:33:10,637 INFO L87 Difference]: Start difference. First operand 84 states and 106 transitions. Second operand 9 states. [2018-12-08 16:33:13,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:33:13,669 INFO L93 Difference]: Finished difference Result 91 states and 113 transitions. [2018-12-08 16:33:13,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 16:33:13,670 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-12-08 16:33:13,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:33:13,671 INFO L225 Difference]: With dead ends: 91 [2018-12-08 16:33:13,671 INFO L226 Difference]: Without dead ends: 81 [2018-12-08 16:33:13,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=29, Invalid=84, Unknown=1, NotChecked=18, Total=132 [2018-12-08 16:33:13,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-08 16:33:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-08 16:33:13,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-08 16:33:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 102 transitions. [2018-12-08 16:33:13,678 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 102 transitions. Word has length 24 [2018-12-08 16:33:13,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:33:13,679 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 102 transitions. [2018-12-08 16:33:13,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:33:13,679 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2018-12-08 16:33:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:33:13,679 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:33:13,680 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:33:13,680 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:33:13,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:33:13,680 INFO L82 PathProgramCache]: Analyzing trace with hash -82654018, now seen corresponding path program 1 times [2018-12-08 16:33:13,680 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 16:33:13,681 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-08 16:33:13,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:33:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:17,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:33:18,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:18,027 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:33:18,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:33:18,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:33:18,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:33:18,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:33:18,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:33:18,082 INFO L87 Difference]: Start difference. First operand 81 states and 102 transitions. Second operand 7 states. [2018-12-08 16:33:21,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:33:21,462 INFO L93 Difference]: Finished difference Result 81 states and 102 transitions. [2018-12-08 16:33:21,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:33:21,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2018-12-08 16:33:21,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:33:21,464 INFO L225 Difference]: With dead ends: 81 [2018-12-08 16:33:21,464 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:33:21,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:33:21,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:33:21,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:33:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:33:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:33:21,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2018-12-08 16:33:21,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:33:21,465 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:33:21,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:33:21,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:33:21,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:33:21,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:33:21,763 INFO L448 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 130 144) no Hoare annotation was computed. [2018-12-08 16:33:21,763 INFO L451 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 130 144) the Hoare annotation is: true [2018-12-08 16:33:21,763 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 142) no Hoare annotation was computed. [2018-12-08 16:33:21,763 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 130 144) no Hoare annotation was computed. [2018-12-08 16:33:21,763 INFO L448 ceAbstractionStarter]: For program point L137-2(lines 137 142) no Hoare annotation was computed. [2018-12-08 16:33:21,763 INFO L448 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 130 144) no Hoare annotation was computed. [2018-12-08 16:33:21,763 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2018-12-08 16:33:21,763 INFO L451 ceAbstractionStarter]: At program point L132-2(lines 132 136) the Hoare annotation is: true [2018-12-08 16:33:21,763 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 21 129) the Hoare annotation is: true [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 63) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L451 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: true [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L27-3(lines 21 129) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 21 129) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L451 ceAbstractionStarter]: At program point L52-3(lines 52 53) the Hoare annotation is: true [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L52-4(lines 52 53) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 116) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-12-08 16:33:21,764 INFO L448 ceAbstractionStarter]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L87(lines 87 96) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 57) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 115) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 43) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L451 ceAbstractionStarter]: At program point L71-2(lines 71 81) the Hoare annotation is: true [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L451 ceAbstractionStarter]: At program point L47-2(lines 47 51) the Hoare annotation is: true [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 42) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L451 ceAbstractionStarter]: At program point L122-2(lines 122 127) the Hoare annotation is: true [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L122-3(lines 122 127) no Hoare annotation was computed. [2018-12-08 16:33:21,765 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 114) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 77) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 21 129) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 93) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L451 ceAbstractionStarter]: At program point L84-2(lines 84 100) the Hoare annotation is: true [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point L84-3(lines 21 129) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 17) the Hoare annotation is: true [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 17) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 17) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 185) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 213 218) no Hoare annotation was computed. [2018-12-08 16:33:21,766 INFO L444 ceAbstractionStarter]: At program point L213-2(lines 213 218) the Hoare annotation is: (and (exists ((v_prenex_11 (_ BitVec 64))) (and (= |__ieee754_asin_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))) (= __ieee754_asin_~hx~0 ((_ extract 63 32) v_prenex_11)))) (exists ((v_prenex_11 (_ BitVec 64))) (and (= |__ieee754_asin_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_11)) __ieee754_asin_~ix~0))) (exists ((v_prenex_11 (_ BitVec 64))) (and (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_11)) (_ bv1072693248 32))) (= |__ieee754_asin_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))))) (= |__ieee754_asin_#in~x| __ieee754_asin_~x)) [2018-12-08 16:33:21,767 INFO L448 ceAbstractionStarter]: For program point L213-3(lines 213 218) no Hoare annotation was computed. [2018-12-08 16:33:21,767 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 173 177) no Hoare annotation was computed. [2018-12-08 16:33:21,767 INFO L444 ceAbstractionStarter]: At program point L173-2(lines 173 177) the Hoare annotation is: (and (= |__ieee754_asin_#in~x| __ieee754_asin_~x) (exists ((v_prenex_12 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_12)) __ieee754_asin_~ix~0) (= |__ieee754_asin_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))))) (exists ((v_prenex_12 (_ BitVec 64))) (and (= |__ieee754_asin_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))) (= __ieee754_asin_~hx~0 ((_ extract 63 32) v_prenex_12))))) [2018-12-08 16:33:21,767 INFO L448 ceAbstractionStarter]: For program point L173-3(lines 171 182) no Hoare annotation was computed. [2018-12-08 16:33:21,767 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2018-12-08 16:33:21,767 INFO L444 ceAbstractionStarter]: At program point L165-2(lines 165 169) the Hoare annotation is: (= |__ieee754_asin_#in~x| __ieee754_asin_~x) [2018-12-08 16:33:21,767 INFO L448 ceAbstractionStarter]: For program point L165-3(lines 165 169) no Hoare annotation was computed. [2018-12-08 16:33:21,767 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinEXIT(lines 162 229) no Hoare annotation was computed. [2018-12-08 16:33:21,767 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 197) no Hoare annotation was computed. [2018-12-08 16:33:21,767 INFO L444 ceAbstractionStarter]: At program point L182-1(lines 182 197) the Hoare annotation is: (and (= |__ieee754_asin_#in~x| __ieee754_asin_~x) (exists ((v_prenex_13 (_ BitVec 64))) (and (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_13)) (_ bv1072693248 32))) (= (fp ((_ extract 63 63) v_prenex_13) ((_ extract 62 52) v_prenex_13) ((_ extract 51 0) v_prenex_13)) |__ieee754_asin_#in~x|))) (exists ((v_prenex_12 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_12)) __ieee754_asin_~ix~0) (= |__ieee754_asin_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))))) (exists ((v_prenex_12 (_ BitVec 64))) (and (= |__ieee754_asin_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))) (= __ieee754_asin_~hx~0 ((_ extract 63 32) v_prenex_12))))) [2018-12-08 16:33:21,767 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (and (= |__ieee754_asin_#in~x| __ieee754_asin_~x) (exists ((v_prenex_13 (_ BitVec 64))) (and (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_13)) (_ bv1072693248 32))) (= (fp ((_ extract 63 63) v_prenex_13) ((_ extract 62 52) v_prenex_13) ((_ extract 51 0) v_prenex_13)) |__ieee754_asin_#in~x|))) (exists ((v_prenex_12 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_12)) __ieee754_asin_~ix~0) (= |__ieee754_asin_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))))) (exists ((v_prenex_12 (_ BitVec 64))) (and (= |__ieee754_asin_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))) (= __ieee754_asin_~hx~0 ((_ extract 63 32) v_prenex_12))))) [2018-12-08 16:33:21,767 INFO L448 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-12-08 16:33:21,767 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 16:33:21,767 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinENTRY(lines 162 229) the Hoare annotation is: true [2018-12-08 16:33:21,767 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinFINAL(lines 162 229) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point L183(lines 183 196) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 224) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point L208-2(lines 162 229) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 197) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 16:33:21,768 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point L242-1(lines 242 245) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 243) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point L239-1(line 239) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 231 247) the Hoare annotation is: true [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 231 247) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 231 247) no Hoare annotation was computed. [2018-12-08 16:33:21,768 INFO L448 ceAbstractionStarter]: For program point L243(line 243) no Hoare annotation was computed. [2018-12-08 16:33:21,769 INFO L444 ceAbstractionStarter]: At program point L242(line 242) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= .cse1 main_~x~0))) [2018-12-08 16:33:21,776 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,777 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,777 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,777 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,777 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,777 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,778 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,778 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,778 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,778 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,778 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,778 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,780 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,780 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:33:21 BoogieIcfgContainer [2018-12-08 16:33:21,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:33:21,784 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:33:21,784 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:33:21,784 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:33:21,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:37" (3/4) ... [2018-12-08 16:33:21,787 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:33:21,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-12-08 16:33:21,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-08 16:33:21,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-08 16:33:21,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asin [2018-12-08 16:33:21,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:33:21,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:33:21,795 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2018-12-08 16:33:21,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 16:33:21,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 16:33:21,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:33:21,813 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-08 16:33:21,813 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists v_prenex_12 : bv64 :: ~bvand32(2147483647bv32, v_prenex_12[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_12[63:63], v_prenex_12[62:52], v_prenex_12[51:0]))) && (\exists v_prenex_12 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_12[63:63], v_prenex_12[62:52], v_prenex_12[51:0]) && hx == v_prenex_12[63:32]) [2018-12-08 16:33:21,814 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && hx == v_prenex_11[63:32]) && (\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && ~bvand32(2147483647bv32, v_prenex_11[63:32]) == ix)) && (\exists v_prenex_11 : bv64 :: !~bvsge32(~bvand32(2147483647bv32, v_prenex_11[63:32]), 1072693248bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]))) && \old(x) == x [2018-12-08 16:33:21,845 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f0e26031-7d68-4352-8b6c-5035579ce190/bin-2019/utaipan/witness.graphml [2018-12-08 16:33:21,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:33:21,846 INFO L168 Benchmark]: Toolchain (without parser) took 61489.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.4 MB in the beginning and 846.0 MB in the end (delta: 97.4 MB). Peak memory consumption was 231.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:21,847 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:33:21,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.68 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:21,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:21,848 INFO L168 Benchmark]: Boogie Preprocessor took 37.58 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:21,848 INFO L168 Benchmark]: RCFGBuilder took 17118.82 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: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:21,849 INFO L168 Benchmark]: TraceAbstraction took 44016.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.8 MB in the end (delta: 215.0 MB). Peak memory consumption was 215.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:21,849 INFO L168 Benchmark]: Witness Printer took 61.35 ms. Allocated memory is still 1.2 GB. Free memory was 852.8 MB in the beginning and 846.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:21,850 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.68 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.58 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 17118.82 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: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 44016.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.8 MB in the end (delta: 215.0 MB). Peak memory consumption was 215.0 MB. Max. memory is 11.5 GB. * Witness Printer took 61.35 ms. Allocated memory is still 1.2 GB. Free memory was 852.8 MB in the beginning and 846.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 243]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 213]: Loop Invariant [2018-12-08 16:33:21,854 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,854 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,854 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,854 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,854 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,857 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 16:33:21,857 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && hx == v_prenex_11[63:32]) && (\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && ~bvand32(2147483647bv32, v_prenex_11[63:32]) == ix)) && (\exists v_prenex_11 : bv64 :: !~bvsge32(~bvand32(2147483647bv32, v_prenex_11[63:32]), 1072693248bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]))) && \old(x) == x - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant [2018-12-08 16:33:21,857 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,857 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,857 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,858 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,858 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,858 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,858 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,858 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,858 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,858 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,858 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,859 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,859 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,859 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,859 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-08 16:33:21,859 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists v_prenex_12 : bv64 :: ~bvand32(2147483647bv32, v_prenex_12[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_12[63:63], v_prenex_12[62:52], v_prenex_12[51:0]))) && (\exists v_prenex_12 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_12[63:63], v_prenex_12[62:52], v_prenex_12[51:0]) && hx == v_prenex_12[63:32]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 91 locations, 1 error locations. SAFE Result, 43.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 28.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 498 SDtfs, 159 SDslu, 1848 SDs, 0 SdLazy, 164 SolverSat, 23 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 25.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred 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, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 35 PreInvPairs, 48 NumberOfFragments, 271 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 196 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 8.9s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 130 ConstructedInterpolants, 27 QuantifiedInterpolants, 21551 SizeOfPredicates, 17 NumberOfNonLiveVariables, 635 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...