./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0981_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_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/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 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 .......................................................................................................................................................................................................................................................................................................................................................... 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_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/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 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:16:40,868 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:16:40,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:16:40,875 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:16:40,875 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:16:40,876 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:16:40,876 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:16:40,877 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:16:40,878 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:16:40,878 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:16:40,878 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:16:40,879 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:16:40,879 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:16:40,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:16:40,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:16:40,880 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:16:40,881 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:16:40,881 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:16:40,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:16:40,883 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:16:40,884 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:16:40,884 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:16:40,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:16:40,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:16:40,885 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:16:40,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:16:40,886 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:16:40,887 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:16:40,887 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:16:40,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:16:40,888 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:16:40,888 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:16:40,888 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:16:40,888 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:16:40,889 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:16:40,889 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:16:40,889 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 04:16:40,896 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:16:40,896 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:16:40,897 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:16:40,897 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:16:40,897 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:16:40,897 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:16:40,897 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:16:40,897 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:16:40,897 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:16:40,897 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:16:40,897 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:16:40,898 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:16:40,898 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:16:40,898 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:16:40,898 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:16:40,898 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:16:40,898 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:16:40,898 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:16:40,898 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:16:40,899 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:16:40,899 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:16:40,899 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:16:40,899 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:16:40,899 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:16:40,899 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:16:40,899 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:16:40,899 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:16:40,899 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:16:40,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:16:40,899 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:16:40,900 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:16:40,900 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:16:40,900 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:16:40,900 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:16:40,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:16:40,900 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:16:40,900 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_74b8add6-b756-49e7-b4a4-bc05b9015c90/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 -> 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 [2018-12-02 04:16:40,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:16:40,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:16:40,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:16:40,930 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:16:40,931 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:16:40,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c [2018-12-02 04:16:40,968 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/data/bc044d089/08c2736ab06d49f6a3dac400f96ac8b8/FLAG193639d51 [2018-12-02 04:16:41,370 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:16:41,370 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c [2018-12-02 04:16:41,374 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/data/bc044d089/08c2736ab06d49f6a3dac400f96ac8b8/FLAG193639d51 [2018-12-02 04:16:41,383 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/data/bc044d089/08c2736ab06d49f6a3dac400f96ac8b8 [2018-12-02 04:16:41,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:16:41,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:16:41,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:16:41,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:16:41,389 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:16:41,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651df91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41, skipping insertion in model container [2018-12-02 04:16:41,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:16:41,411 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:16:41,520 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:16:41,522 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:16:41,579 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:16:41,592 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:16:41,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41 WrapperNode [2018-12-02 04:16:41,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:16:41,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:16:41,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:16:41,593 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:16:41,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:16:41,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:16:41,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:16:41,609 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:16:41,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (1/1) ... [2018-12-02 04:16:41,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:16:41,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:16:41,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:16:41,634 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:16:41,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/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 [2018-12-02 04:16:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-12-02 04:16:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-12-02 04:16:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-02 04:16:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-02 04:16:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-02 04:16:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-02 04:16:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:16:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:16:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 04:16:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 04:16:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:16:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:16:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 04:16:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:16:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:16:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:16:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 04:16:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:16:41,895 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:16:41,895 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 04:16:41,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:16:41 BoogieIcfgContainer [2018-12-02 04:16:41,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:16:41,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:16:41,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:16:41,898 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:16:41,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:16:41" (1/3) ... [2018-12-02 04:16:41,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654d3967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:16:41, skipping insertion in model container [2018-12-02 04:16:41,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:41" (2/3) ... [2018-12-02 04:16:41,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654d3967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:16:41, skipping insertion in model container [2018-12-02 04:16:41,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:16:41" (3/3) ... [2018-12-02 04:16:41,900 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981_true-unreach-call.c [2018-12-02 04:16:41,906 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:16:41,911 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:16:41,921 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:16:41,942 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:16:41,943 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:16:41,943 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:16:41,943 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:16:41,943 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:16:41,943 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:16:41,943 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:16:41,943 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:16:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-12-02 04:16:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 04:16:41,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:16:41,960 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] [2018-12-02 04:16:41,961 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:16:41,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:16:41,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2043646315, now seen corresponding path program 1 times [2018-12-02 04:16:41,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:16:41,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:41,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:16:41,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:41,996 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:16:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:16:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:16:42,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:16:42,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:16:42,085 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:16:42,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 04:16:42,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 04:16:42,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:16:42,099 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-12-02 04:16:42,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:16:42,115 INFO L93 Difference]: Finished difference Result 114 states and 174 transitions. [2018-12-02 04:16:42,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 04:16:42,116 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-02 04:16:42,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:16:42,124 INFO L225 Difference]: With dead ends: 114 [2018-12-02 04:16:42,124 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 04:16:42,127 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 [2018-12-02 04:16:42,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 04:16:42,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 04:16:42,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 04:16:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2018-12-02 04:16:42,151 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 24 [2018-12-02 04:16:42,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:16:42,151 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2018-12-02 04:16:42,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 04:16:42,152 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2018-12-02 04:16:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 04:16:42,152 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:16:42,152 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] [2018-12-02 04:16:42,153 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:16:42,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:16:42,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1947285720, now seen corresponding path program 1 times [2018-12-02 04:16:42,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:16:42,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:42,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:16:42,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:42,154 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:16:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:16:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:16:42,258 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 04:16:42,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:16:42 BoogieIcfgContainer [2018-12-02 04:16:42,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:16:42,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:16:42,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:16:42,290 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:16:42,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:16:41" (3/4) ... [2018-12-02 04:16:42,293 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 04:16:42,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:16:42,294 INFO L168 Benchmark]: Toolchain (without parser) took 908.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 953.5 MB in the beginning and 1.0 GB in the end (delta: -71.9 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:42,295 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:16:42,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:42,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:16:42,295 INFO L168 Benchmark]: Boogie Preprocessor took 25.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:42,296 INFO L168 Benchmark]: RCFGBuilder took 261.72 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:42,296 INFO L168 Benchmark]: TraceAbstraction took 393.41 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:42,296 INFO L168 Benchmark]: Witness Printer took 2.98 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. [2018-12-02 04:16:42,298 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 261.72 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 393.41 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 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: 186]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 168, overapproximation of someBinaryArithmeticDOUBLEoperation at line 131, overapproximation of bitwiseAnd at line 167. Possible FailurePath: [L15-L24] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L26] static const double zero = 0.0; [L109-L112] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L114] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=6442450959, \old(Lg1_log)=6442450956, \old(Lg2_log)=6442450957, \old(Lg3_log)=6442450958, \old(Lg4_log)=6442450961, \old(Lg5_log)=6442450962, \old(Lg6_log)=6442450971, \old(Lg7_log)=6442450968, \old(ln2_hi_log)=6442450947, \old(ln2_lo_log)=6442450951, \old(log10_2hi_log10)=6442450952, \old(log10_2lo_log10)=6442450970, \old(two54_log)=6442450972, \old(two54_log10)=6442450953, \old(zero)=6442450974, \old(zero_log10)=6442450964, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L181] double x = 1.0 / 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L182] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=6442450969, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L117] double y, z; [L118] __int32_t i, k, hx; [L119] __uint32_t lx; VAL [\old(x)=6442450969, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L122] ieee_double_shape_type ew_u; [L123] ew_u.value = (x) [L124] EXPR ew_u.parts.msw [L124] (hx) = ew_u.parts.msw [L125] EXPR ew_u.parts.lsw [L125] (lx) = ew_u.parts.lsw [L128] k = 0 VAL [\old(x)=6442450969, hx=-2147483646, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483658, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L129] COND TRUE hx < 0x00100000 VAL [\old(x)=6442450969, hx=-2147483646, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483658, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L130] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L131] return -two54_log10 / zero_log10; VAL [\old(x)=6442450969, hx=-2147483646, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483658, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L182] RET, EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=6442450950, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L182] double res = __ieee754_log10(x); [L185] CALL, EXPR isinf_double(res) VAL [\old(x)=6442450950, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L160] __int32_t hx, lx; VAL [\old(x)=6442450950, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450950, zero=0, zero_log10=0] [L162] ieee_double_shape_type ew_u; [L163] ew_u.value = (x) [L164] EXPR ew_u.parts.msw [L164] (hx) = ew_u.parts.msw [L165] EXPR ew_u.parts.lsw [L165] (lx) = ew_u.parts.lsw [L167] hx &= 0x7fffffff [L168] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L169] hx = 0x7ff00000 - hx [L170] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=6442450950, \result=0, hx=2146435072, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450950, zero=0, zero_log10=0] [L185] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=6442450950, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L185] COND TRUE !isinf_double(res) [L186] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=6442450950, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 61 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 75 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=61occurred 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, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 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 [2018-12-02 04:16:43,516 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:16:43,517 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:16:43,524 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:16:43,524 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:16:43,524 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:16:43,525 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:16:43,526 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:16:43,527 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:16:43,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:16:43,527 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:16:43,527 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:16:43,528 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:16:43,528 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:16:43,529 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:16:43,529 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:16:43,530 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:16:43,530 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:16:43,531 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:16:43,532 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:16:43,532 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:16:43,533 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:16:43,534 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:16:43,534 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:16:43,534 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:16:43,535 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:16:43,535 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:16:43,536 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:16:43,536 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:16:43,536 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:16:43,537 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:16:43,537 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:16:43,537 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:16:43,537 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:16:43,537 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:16:43,538 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:16:43,538 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 04:16:43,545 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:16:43,545 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:16:43,546 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:16:43,546 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:16:43,546 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:16:43,546 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:16:43,546 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:16:43,547 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:16:43,547 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:16:43,547 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:16:43,547 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:16:43,547 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:16:43,547 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:16:43,548 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:16:43,548 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:16:43,548 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:16:43,548 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:16:43,548 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 04:16:43,548 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 04:16:43,548 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:16:43,548 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:16:43,549 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:16:43,549 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:16:43,549 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:16:43,549 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:16:43,549 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:16:43,549 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:16:43,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:16:43,550 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:16:43,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:16:43,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:16:43,550 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 04:16:43,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:16:43,550 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 04:16:43,550 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 04:16:43,550 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_74b8add6-b756-49e7-b4a4-bc05b9015c90/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 -> 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 [2018-12-02 04:16:43,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:16:43,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:16:43,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:16:43,580 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:16:43,580 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:16:43,580 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c [2018-12-02 04:16:43,616 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/data/7aa8092e2/9a84d8bc4101475bbb9e956cdf47baa9/FLAG5d8cc4e67 [2018-12-02 04:16:44,030 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:16:44,030 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c [2018-12-02 04:16:44,034 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/data/7aa8092e2/9a84d8bc4101475bbb9e956cdf47baa9/FLAG5d8cc4e67 [2018-12-02 04:16:44,042 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/data/7aa8092e2/9a84d8bc4101475bbb9e956cdf47baa9 [2018-12-02 04:16:44,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:16:44,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:16:44,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:16:44,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:16:44,047 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:16:44,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44, skipping insertion in model container [2018-12-02 04:16:44,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:16:44,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:16:44,178 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:16:44,182 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:16:44,215 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:16:44,240 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:16:44,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44 WrapperNode [2018-12-02 04:16:44,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:16:44,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:16:44,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:16:44,241 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:16:44,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:16:44,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:16:44,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:16:44,259 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:16:44,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (1/1) ... [2018-12-02 04:16:44,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:16:44,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:16:44,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:16:44,324 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:16:44,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/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 [2018-12-02 04:16:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 04:16:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-12-02 04:16:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-12-02 04:16:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-02 04:16:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-02 04:16:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-02 04:16:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-02 04:16:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 04:16:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:16:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:16:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:16:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:16:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:16:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 04:16:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:16:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:16:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 04:16:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:16:44,495 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:48,724 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:48,966 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:53,194 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:17:11,837 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:17:11,972 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:17:14,166 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:17:14,178 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:17:14,178 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 04:17:14,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:14 BoogieIcfgContainer [2018-12-02 04:17:14,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:17:14,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:17:14,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:17:14,181 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:17:14,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:16:44" (1/3) ... [2018-12-02 04:17:14,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757972b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:14, skipping insertion in model container [2018-12-02 04:17:14,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:44" (2/3) ... [2018-12-02 04:17:14,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757972b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:14, skipping insertion in model container [2018-12-02 04:17:14,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:14" (3/3) ... [2018-12-02 04:17:14,183 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981_true-unreach-call.c [2018-12-02 04:17:14,189 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:17:14,193 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:17:14,202 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:17:14,218 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 04:17:14,218 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:17:14,219 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:17:14,219 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:17:14,219 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:17:14,219 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:17:14,219 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:17:14,219 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:17:14,219 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:17:14,228 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-12-02 04:17:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 04:17:14,232 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:17:14,232 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] [2018-12-02 04:17:14,234 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:17:14,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:17:14,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1855320417, now seen corresponding path program 1 times [2018-12-02 04:17:14,239 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 04:17:14,239 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/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 [2018-12-02 04:17:14,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:17:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:17:14,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:17:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:17:14,951 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:17:14,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:17:14,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:17:14,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 04:17:14,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 04:17:14,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:17:14,979 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2018-12-02 04:17:14,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:17:14,998 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2018-12-02 04:17:14,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 04:17:14,999 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-02 04:17:15,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:17:15,007 INFO L225 Difference]: With dead ends: 112 [2018-12-02 04:17:15,007 INFO L226 Difference]: Without dead ends: 56 [2018-12-02 04:17:15,009 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:17:15,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-02 04:17:15,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-12-02 04:17:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-02 04:17:15,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2018-12-02 04:17:15,038 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 23 [2018-12-02 04:17:15,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:17:15,039 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2018-12-02 04:17:15,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 04:17:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2018-12-02 04:17:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 04:17:15,040 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:17:15,040 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] [2018-12-02 04:17:15,040 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:17:15,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:17:15,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1408337410, now seen corresponding path program 1 times [2018-12-02 04:17:15,041 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 04:17:15,042 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/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 [2018-12-02 04:17:15,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:17:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:17:15,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:17:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:17:15,847 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:17:15,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:17:15,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:17:15,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:17:15,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:17:15,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:17:15,863 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand 6 states. [2018-12-02 04:17:21,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:17:21,534 INFO L93 Difference]: Finished difference Result 78 states and 93 transitions. [2018-12-02 04:17:21,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 04:17:21,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-02 04:17:21,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:17:21,537 INFO L225 Difference]: With dead ends: 78 [2018-12-02 04:17:21,538 INFO L226 Difference]: Without dead ends: 54 [2018-12-02 04:17:21,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-02 04:17:21,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-02 04:17:21,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2018-12-02 04:17:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-02 04:17:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2018-12-02 04:17:21,544 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 25 [2018-12-02 04:17:21,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:17:21,544 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2018-12-02 04:17:21,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:17:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-12-02 04:17:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 04:17:21,545 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:17:21,545 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] [2018-12-02 04:17:21,546 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:17:21,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:17:21,546 INFO L82 PathProgramCache]: Analyzing trace with hash -2099027137, now seen corresponding path program 1 times [2018-12-02 04:17:21,546 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 04:17:21,546 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/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 [2018-12-02 04:17:21,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:17:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:17:21,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:17:22,219 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-12-02 04:17:22,739 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:17:22,740 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:17:22,743 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-12-02 04:17:22,781 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2018-12-02 04:17:22,782 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 04:17:22,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-12-02 04:17:22,804 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-12-02 04:17:22,804 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 04:17:22,808 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:17:22,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:17:22,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 04:17:22,822 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-02 04:17:23,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:17:23,372 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:17:23,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:17:23,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 04:17:23,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 04:17:23,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 04:17:23,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-02 04:17:23,384 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 11 states. [2018-12-02 04:17:24,883 WARN L180 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-02 04:17:29,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:17:29,062 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2018-12-02 04:17:29,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 04:17:29,063 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2018-12-02 04:17:29,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:17:29,064 INFO L225 Difference]: With dead ends: 59 [2018-12-02 04:17:29,064 INFO L226 Difference]: Without dead ends: 52 [2018-12-02 04:17:29,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-12-02 04:17:29,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-02 04:17:29,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-02 04:17:29,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-02 04:17:29,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2018-12-02 04:17:29,068 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 25 [2018-12-02 04:17:29,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:17:29,068 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2018-12-02 04:17:29,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 04:17:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-12-02 04:17:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 04:17:29,069 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:17:29,069 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] [2018-12-02 04:17:29,069 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:17:29,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:17:29,069 INFO L82 PathProgramCache]: Analyzing trace with hash 621548003, now seen corresponding path program 1 times [2018-12-02 04:17:29,069 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 04:17:29,070 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/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 [2018-12-02 04:17:29,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:17:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:17:29,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:17:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:17:30,046 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:17:30,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:17:30,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:17:30,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:17:30,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:17:30,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:17:30,063 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand 6 states. [2018-12-02 04:17:30,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:17:30,797 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2018-12-02 04:17:30,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:17:30,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-12-02 04:17:30,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:17:30,798 INFO L225 Difference]: With dead ends: 52 [2018-12-02 04:17:30,798 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 04:17:30,799 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-02 04:17:30,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 04:17:30,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 04:17:30,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 04:17:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 04:17:30,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-12-02 04:17:30,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:17:30,799 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 04:17:30,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:17:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 04:17:30,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:17:30,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 04:17:30,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:17:30,938 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:17:30,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:17:30,939 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10EXIT(lines 116 156) no Hoare annotation was computed. [2018-12-02 04:17:30,939 INFO L448 ceAbstractionStarter]: For program point L148-1(lines 148 153) no Hoare annotation was computed. [2018-12-02 04:17:30,939 INFO L444 ceAbstractionStarter]: At program point L148-2(lines 148 153) the Hoare annotation is: (or (and (exists ((v_prenex_20 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_20) ((_ extract 62 52) v_prenex_20) ((_ extract 51 0) v_prenex_20))) (not (bvsge ((_ extract 63 32) v_prenex_20) (_ bv2146435072 32))))) (= __ieee754_log10_~x |__ieee754_log10_#in~x|)) (exists ((v_prenex_17 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (bvslt ((_ extract 63 32) v_prenex_17) (_ bv1048576 32))))) [2018-12-02 04:17:30,939 INFO L444 ceAbstractionStarter]: At program point L148-3(lines 148 153) the Hoare annotation is: (exists ((v_prenex_20 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_20) ((_ extract 62 52) v_prenex_20) ((_ extract 51 0) v_prenex_20))) (not (bvsge ((_ extract 63 32) v_prenex_20) (_ bv2146435072 32))))) [2018-12-02 04:17:30,939 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2018-12-02 04:17:30,939 INFO L444 ceAbstractionStarter]: At program point L136-2(lines 136 140) the Hoare annotation is: (and (exists ((v_prenex_17 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (= __ieee754_log10_~hx~1 ((_ extract 63 32) v_prenex_17)))) (exists ((v_prenex_17 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (bvslt ((_ extract 63 32) v_prenex_17) (_ bv1048576 32))))) [2018-12-02 04:17:30,939 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2018-12-02 04:17:30,939 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10FINAL(lines 116 156) no Hoare annotation was computed. [2018-12-02 04:17:30,939 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10ENTRY(lines 116 156) the Hoare annotation is: true [2018-12-02 04:17:30,939 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 141) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 116 156) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 121 126) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L444 ceAbstractionStarter]: At program point L121-2(lines 121 126) the Hoare annotation is: (= __ieee754_log10_~x |__ieee754_log10_#in~x|) [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point L121-3(lines 121 126) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 131) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L451 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: true [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 28 107) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 82) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 105) no Hoare annotation was computed. [2018-12-02 04:17:30,940 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 74) no Hoare annotation was computed. [2018-12-02 04:17:30,941 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 106) no Hoare annotation was computed. [2018-12-02 04:17:30,941 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 53) no Hoare annotation was computed. [2018-12-02 04:17:30,941 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 28 107) no Hoare annotation was computed. [2018-12-02 04:17:30,941 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 33 38) no Hoare annotation was computed. [2018-12-02 04:17:30,941 INFO L451 ceAbstractionStarter]: At program point L33-2(lines 33 38) the Hoare annotation is: true [2018-12-02 04:17:30,941 INFO L448 ceAbstractionStarter]: For program point L33-3(lines 33 38) no Hoare annotation was computed. [2018-12-02 04:17:30,941 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 28 107) the Hoare annotation is: true [2018-12-02 04:17:30,941 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-02 04:17:30,941 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 28 107) no Hoare annotation was computed. [2018-12-02 04:17:30,941 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 83) no Hoare annotation was computed. [2018-12-02 04:17:30,942 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 100) no Hoare annotation was computed. [2018-12-02 04:17:30,942 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 59 64) no Hoare annotation was computed. [2018-12-02 04:17:30,942 INFO L451 ceAbstractionStarter]: At program point L59-2(lines 59 64) the Hoare annotation is: true [2018-12-02 04:17:30,942 INFO L448 ceAbstractionStarter]: For program point L59-3(lines 59 64) no Hoare annotation was computed. [2018-12-02 04:17:30,942 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 75) no Hoare annotation was computed. [2018-12-02 04:17:30,942 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 161 166) no Hoare annotation was computed. [2018-12-02 04:17:30,942 INFO L444 ceAbstractionStarter]: At program point L161-2(lines 161 166) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-12-02 04:17:30,942 INFO L448 ceAbstractionStarter]: For program point L161-3(lines 161 166) no Hoare annotation was computed. [2018-12-02 04:17:30,942 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 159 171) no Hoare annotation was computed. [2018-12-02 04:17:30,943 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 159 171) no Hoare annotation was computed. [2018-12-02 04:17:30,943 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 159 171) the Hoare annotation is: true [2018-12-02 04:17:30,943 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:17:30,943 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 04:17:30,943 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:17:30,943 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:17:30,943 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 173 191) the Hoare annotation is: true [2018-12-02 04:17:30,943 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 173 191) no Hoare annotation was computed. [2018-12-02 04:17:30,943 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-12-02 04:17:30,944 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)))) [2018-12-02 04:17:30,944 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 173 191) no Hoare annotation was computed. [2018-12-02 04:17:30,944 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 185 188) no Hoare annotation was computed. [2018-12-02 04:17:30,944 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-02 04:17:30,944 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-02 04:17:30,944 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2018-12-02 04:17:30,949 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,950 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,950 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,950 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,950 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,951 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,951 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,951 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,954 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,954 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,954 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,954 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,954 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,955 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,955 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,955 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,956 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:30,956 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:30,956 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:30,956 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:30,957 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,957 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,957 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,957 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,957 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:30,957 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:30,958 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:30,958 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:30,958 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,958 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,958 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,958 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:30,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:17:30 BoogieIcfgContainer [2018-12-02 04:17:30,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:17:30,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:17:30,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:17:30,960 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:17:30,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:14" (3/4) ... [2018-12-02 04:17:30,963 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 04:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-12-02 04:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-02 04:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-02 04:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 04:17:30,974 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-02 04:17:30,974 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-02 04:17:30,974 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 04:17:30,974 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 04:17:30,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-02 04:17:30,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-02 04:17:30,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && hx == v_prenex_17[63:32]) && (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvslt32(v_prenex_17[63:32], 1048576bv32)) [2018-12-02 04:17:30,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_20 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_20[63:63], v_prenex_20[62:52], v_prenex_20[51:0]) && !~bvsge32(v_prenex_20[63:32], 2146435072bv32)) && x == \old(x)) || (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvslt32(v_prenex_17[63:32], 1048576bv32)) [2018-12-02 04:17:31,011 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_74b8add6-b756-49e7-b4a4-bc05b9015c90/bin-2019/utaipan/witness.graphml [2018-12-02 04:17:31,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:17:31,012 INFO L168 Benchmark]: Toolchain (without parser) took 46968.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 885.2 MB in the end (delta: 59.5 MB). Peak memory consumption was 194.2 MB. Max. memory is 11.5 GB. [2018-12-02 04:17:31,012 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:17:31,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 195.39 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:17:31,013 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.79 ms. Allocated memory is still 1.0 GB. Free memory was 928.6 MB in the beginning and 923.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:17:31,013 INFO L168 Benchmark]: Boogie Preprocessor took 64.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 04:17:31,013 INFO L168 Benchmark]: RCFGBuilder took 29854.84 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: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-02 04:17:31,014 INFO L168 Benchmark]: TraceAbstraction took 16780.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.0 MB in the end (delta: 183.6 MB). Peak memory consumption was 183.6 MB. Max. memory is 11.5 GB. [2018-12-02 04:17:31,014 INFO L168 Benchmark]: Witness Printer took 51.68 ms. Allocated memory is still 1.2 GB. Free memory was 892.0 MB in the beginning and 885.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 04:17:31,015 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 195.39 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.79 ms. Allocated memory is still 1.0 GB. Free memory was 928.6 MB in the beginning and 923.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 29854.84 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: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16780.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.0 MB in the end (delta: 183.6 MB). Peak memory consumption was 183.6 MB. Max. memory is 11.5 GB. * Witness Printer took 51.68 ms. Allocated memory is still 1.2 GB. Free memory was 892.0 MB in the beginning and 885.2 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_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 186]: 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant [2018-12-02 04:17:31,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] Derived loop invariant: (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && hx == v_prenex_17[63:32]) && (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvslt32(v_prenex_17[63:32], 1048576bv32)) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 148]: Loop Invariant [2018-12-02 04:17:31,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:31,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:31,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:31,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:31,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:31,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:31,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:31,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-02 04:17:31,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-02 04:17:31,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_20 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_20[63:63], v_prenex_20[62:52], v_prenex_20[51:0]) && !~bvsge32(v_prenex_20[63:32], 2146435072bv32)) && x == \old(x)) || (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvslt32(v_prenex_17[63:32], 1048576bv32)) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 60 locations, 1 error locations. SAFE Result, 16.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 12.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 242 SDtfs, 44 SDslu, 876 SDs, 0 SdLazy, 152 SolverSat, 8 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 31 PreInvPairs, 45 NumberOfFragments, 132 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 106 ConstructedInterpolants, 21 QuantifiedInterpolants, 17008 SizeOfPredicates, 11 NumberOfNonLiveVariables, 539 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...