./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_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_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/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 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb ................................................................................................................................................................................................................................................................................................................................... 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_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/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 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:46:27,518 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:46:27,519 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:46:27,525 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:46:27,525 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:46:27,526 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:46:27,526 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:46:27,527 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:46:27,528 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:46:27,528 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:46:27,529 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:46:27,529 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:46:27,529 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:46:27,530 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:46:27,530 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:46:27,531 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:46:27,531 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:46:27,532 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:46:27,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:46:27,534 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:46:27,534 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:46:27,535 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:46:27,536 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:46:27,536 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:46:27,536 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:46:27,536 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:46:27,537 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:46:27,537 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:46:27,538 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:46:27,538 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:46:27,538 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:46:27,539 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:46:27,539 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:46:27,539 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:46:27,539 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:46:27,540 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:46:27,540 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 21:46:27,547 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:46:27,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:46:27,547 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:46:27,547 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:46:27,548 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 21:46:27,548 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 21:46:27,548 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 21:46:27,548 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 21:46:27,548 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 21:46:27,548 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 21:46:27,548 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 21:46:27,548 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 21:46:27,548 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 21:46:27,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:46:27,549 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:46:27,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:46:27,549 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:46:27,549 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:46:27,549 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:46:27,549 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:46:27,549 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:46:27,549 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:46:27,550 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:46:27,550 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:46:27,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:46:27,550 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:46:27,550 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:46:27,550 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:46:27,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:46:27,550 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:46:27,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:46:27,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:46:27,551 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 21:46:27,551 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:46:27,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 21:46:27,551 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 21:46:27,551 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_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/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 -> 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb [2018-12-02 21:46:27,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:46:27,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:46:27,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:46:27,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:46:27,579 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:46:27,579 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-12-02 21:46:27,616 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/data/049b44bb5/d302c32f1bff459682263f08a3fa3316/FLAG654af095e [2018-12-02 21:46:28,025 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:46:28,025 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-12-02 21:46:28,029 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/data/049b44bb5/d302c32f1bff459682263f08a3fa3316/FLAG654af095e [2018-12-02 21:46:28,038 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/data/049b44bb5/d302c32f1bff459682263f08a3fa3316 [2018-12-02 21:46:28,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:46:28,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:46:28,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:46:28,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:46:28,043 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:46:28,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a43ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28, skipping insertion in model container [2018-12-02 21:46:28,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:46:28,061 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:46:28,166 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:46:28,169 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:46:28,189 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:46:28,233 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:46:28,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28 WrapperNode [2018-12-02 21:46:28,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:46:28,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:46:28,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:46:28,234 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:46:28,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:46:28,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:46:28,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:46:28,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:46:28,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2018-12-02 21:46:28,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:46:28,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:46:28,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:46:28,274 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:46:28,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/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 21:46:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:46:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:46:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 21:46:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 21:46:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 21:46:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 21:46:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:46:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:46:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 21:46:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:46:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:46:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:46:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 21:46:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-02 21:46:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-12-02 21:46:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-12-02 21:46:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 21:46:28,503 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:46:28,503 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 21:46:28,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:46:28 BoogieIcfgContainer [2018-12-02 21:46:28,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:46:28,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:46:28,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:46:28,506 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:46:28,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:46:28" (1/3) ... [2018-12-02 21:46:28,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a49af4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:46:28, skipping insertion in model container [2018-12-02 21:46:28,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (2/3) ... [2018-12-02 21:46:28,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a49af4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:46:28, skipping insertion in model container [2018-12-02 21:46:28,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:46:28" (3/3) ... [2018-12-02 21:46:28,509 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a_true-unreach-call.c [2018-12-02 21:46:28,514 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:46:28,518 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 21:46:28,526 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 21:46:28,543 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:46:28,543 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 21:46:28,543 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:46:28,543 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:46:28,543 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:46:28,544 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:46:28,544 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:46:28,544 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:46:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-12-02 21:46:28,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 21:46:28,557 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:46:28,557 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:46:28,559 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:46:28,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:46:28,562 INFO L82 PathProgramCache]: Analyzing trace with hash -348005672, now seen corresponding path program 1 times [2018-12-02 21:46:28,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:46:28,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:46:28,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:46:28,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:46:28,591 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:46:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:46:28,642 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 21:46:28,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:46:28,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:46:28,643 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:46:28,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 21:46:28,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 21:46:28,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:46:28,655 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2018-12-02 21:46:28,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:46:28,668 INFO L93 Difference]: Finished difference Result 102 states and 158 transitions. [2018-12-02 21:46:28,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 21:46:28,669 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 21:46:28,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:46:28,675 INFO L225 Difference]: With dead ends: 102 [2018-12-02 21:46:28,675 INFO L226 Difference]: Without dead ends: 51 [2018-12-02 21:46:28,677 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 21:46:28,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-02 21:46:28,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-02 21:46:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-02 21:46:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2018-12-02 21:46:28,699 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 22 [2018-12-02 21:46:28,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:46:28,700 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2018-12-02 21:46:28,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 21:46:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-12-02 21:46:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 21:46:28,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:46:28,701 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 21:46:28,701 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:46:28,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:46:28,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1100584309, now seen corresponding path program 1 times [2018-12-02 21:46:28,701 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:46:28,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:46:28,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:46:28,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:46:28,702 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:46:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:46:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:46:28,764 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 21:46:28,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:46:28 BoogieIcfgContainer [2018-12-02 21:46:28,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:46:28,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:46:28,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:46:28,782 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:46:28,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:46:28" (3/4) ... [2018-12-02 21:46:28,785 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 21:46:28,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:46:28,785 INFO L168 Benchmark]: Toolchain (without parser) took 745.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -117.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:46:28,786 INFO L168 Benchmark]: CDTParser took 0.12 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 21:46:28,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:46:28,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.84 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:46:28,787 INFO L168 Benchmark]: Boogie Preprocessor took 23.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:46:28,788 INFO L168 Benchmark]: RCFGBuilder took 229.63 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-12-02 21:46:28,788 INFO L168 Benchmark]: TraceAbstraction took 278.06 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:46:28,788 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:46:28,790 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.84 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 229.63 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 278.06 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 123]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [\old(one_fmod)=6442450957, \old(Zero_fmod)=6442450955, \old(Zero_fmod)=6442450952, one_fmod=1, Zero_fmod={6442450954:0}] [L116] float x = __VERIFIER_nondet_float(); [L117] float y = 0.0f; VAL [one_fmod=1, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L119] CALL, EXPR fmod_float(x, y) VAL [\old(x)=6442450949, \old(y)=0, one_fmod=1, Zero_fmod={6442450954:0}] [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=6442450949, \old(y)=0, one_fmod=1, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [\old(x)=6442450949, \old(y)=0, one_fmod=1, sx=-1, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [\old(x)=6442450949, \old(y)=0, hx=2139095040, hy=0, one_fmod=1, sx=-1, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L119] RET, EXPR fmod_float(x, y) VAL [fmod_float(x, y)=6442450948, one_fmod=1, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L119] float res = fmod_float(x, y); [L122] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, one_fmod=1, Zero_fmod={6442450954:0}] [L108] return x != x; VAL [\old(x)=6442450948, \result=0, one_fmod=1, x=6442450948, Zero_fmod={6442450954:0}] [L122] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_fmod=1, res=6442450948, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L122] COND TRUE !isnan_float(res) [L123] __VERIFIER_error() VAL [one_fmod=1, res=6442450948, x=6442450949, y=0, Zero_fmod={6442450954:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 70 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=55occurred 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, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 21:46:30,049 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:46:30,050 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:46:30,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:46:30,056 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:46:30,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:46:30,057 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:46:30,058 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:46:30,059 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:46:30,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:46:30,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:46:30,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:46:30,060 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:46:30,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:46:30,061 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:46:30,061 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:46:30,062 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:46:30,063 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:46:30,064 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:46:30,064 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:46:30,065 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:46:30,065 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:46:30,066 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:46:30,067 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:46:30,067 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:46:30,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:46:30,068 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:46:30,068 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:46:30,068 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:46:30,069 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:46:30,069 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:46:30,069 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:46:30,069 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:46:30,069 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:46:30,070 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:46:30,070 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:46:30,070 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 21:46:30,078 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:46:30,078 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:46:30,078 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:46:30,078 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:46:30,079 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 21:46:30,079 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 21:46:30,079 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 21:46:30,079 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 21:46:30,079 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 21:46:30,079 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 21:46:30,079 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:46:30,079 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:46:30,080 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:46:30,081 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:46:30,081 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:46:30,081 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:46:30,081 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:46:30,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:46:30,081 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:46:30,081 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:46:30,081 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:46:30,081 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 21:46:30,081 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:46:30,081 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 21:46:30,082 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 21:46:30,082 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_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/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 -> 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb [2018-12-02 21:46:30,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:46:30,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:46:30,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:46:30,109 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:46:30,109 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:46:30,109 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-12-02 21:46:30,143 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/data/59748919a/ca33e424287c4e788e18cacc447b5320/FLAG0548b682d [2018-12-02 21:46:30,536 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:46:30,537 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-12-02 21:46:30,541 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/data/59748919a/ca33e424287c4e788e18cacc447b5320/FLAG0548b682d [2018-12-02 21:46:30,549 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/data/59748919a/ca33e424287c4e788e18cacc447b5320 [2018-12-02 21:46:30,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:46:30,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:46:30,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:46:30,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:46:30,554 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:46:30,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dcf23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30, skipping insertion in model container [2018-12-02 21:46:30,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:46:30,571 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:46:30,684 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:46:30,688 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:46:30,713 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:46:30,731 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:46:30,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30 WrapperNode [2018-12-02 21:46:30,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:46:30,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:46:30,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:46:30,732 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:46:30,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:46:30,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:46:30,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:46:30,782 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:46:30,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (1/1) ... [2018-12-02 21:46:30,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:46:30,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:46:30,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:46:30,810 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:46:30,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/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 21:46:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-02 21:46:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:46:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:46:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 21:46:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 21:46:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 21:46:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:46:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:46:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:46:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 21:46:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:46:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:46:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 21:46:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-12-02 21:46:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-12-02 21:46:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 21:46:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 21:46:30,925 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 21:46:30,976 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 21:46:30,994 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 21:46:31,967 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:46:31,967 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 21:46:31,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:46:31 BoogieIcfgContainer [2018-12-02 21:46:31,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:46:31,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:46:31,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:46:31,970 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:46:31,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:46:30" (1/3) ... [2018-12-02 21:46:31,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7538c173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:46:31, skipping insertion in model container [2018-12-02 21:46:31,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:30" (2/3) ... [2018-12-02 21:46:31,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7538c173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:46:31, skipping insertion in model container [2018-12-02 21:46:31,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:46:31" (3/3) ... [2018-12-02 21:46:31,971 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a_true-unreach-call.c [2018-12-02 21:46:31,977 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:46:31,981 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 21:46:31,990 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 21:46:32,006 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 21:46:32,006 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:46:32,007 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 21:46:32,007 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:46:32,007 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:46:32,007 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:46:32,007 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:46:32,007 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:46:32,007 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:46:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-12-02 21:46:32,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 21:46:32,020 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:46:32,020 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] [2018-12-02 21:46:32,021 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:46:32,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:46:32,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1582823124, now seen corresponding path program 1 times [2018-12-02 21:46:32,027 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:46:32,027 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/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 21:46:32,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:46:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:46:32,239 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:46:32,249 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 21:46:32,249 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:46:32,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:46:32,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:46:32,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 21:46:32,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 21:46:32,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:46:32,271 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-12-02 21:46:32,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:46:32,285 INFO L93 Difference]: Finished difference Result 100 states and 156 transitions. [2018-12-02 21:46:32,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 21:46:32,286 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-02 21:46:32,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:46:32,292 INFO L225 Difference]: With dead ends: 100 [2018-12-02 21:46:32,292 INFO L226 Difference]: Without dead ends: 50 [2018-12-02 21:46:32,294 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 21:46:32,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-02 21:46:32,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-12-02 21:46:32,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-02 21:46:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 65 transitions. [2018-12-02 21:46:32,316 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 65 transitions. Word has length 21 [2018-12-02 21:46:32,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:46:32,317 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 65 transitions. [2018-12-02 21:46:32,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 21:46:32,317 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2018-12-02 21:46:32,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 21:46:32,317 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:46:32,318 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 21:46:32,318 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:46:32,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:46:32,318 INFO L82 PathProgramCache]: Analyzing trace with hash -853861129, now seen corresponding path program 1 times [2018-12-02 21:46:32,318 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:46:32,319 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/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 21:46:32,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:46:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:46:32,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:46:36,717 WARN L180 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-02 21:46:38,944 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-02 21:46:42,958 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-02 21:46:47,673 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 21:46:47,673 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:46:47,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:46:47,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 21:46:47,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:46:47,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:46:47,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=56, Unknown=1, NotChecked=0, Total=72 [2018-12-02 21:46:47,684 INFO L87 Difference]: Start difference. First operand 50 states and 65 transitions. Second operand 9 states. [2018-12-02 21:46:56,660 WARN L180 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 21:47:02,489 WARN L180 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 21:47:05,740 WARN L180 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 21:47:09,914 WARN L180 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-02 21:47:11,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:47:11,985 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2018-12-02 21:47:11,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 21:47:11,986 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-02 21:47:11,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:47:11,987 INFO L225 Difference]: With dead ends: 57 [2018-12-02 21:47:11,988 INFO L226 Difference]: Without dead ends: 50 [2018-12-02 21:47:11,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 28.4s TimeCoverageRelationStatistics Valid=33, Invalid=121, Unknown=2, NotChecked=0, Total=156 [2018-12-02 21:47:11,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-02 21:47:11,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-12-02 21:47:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-02 21:47:11,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2018-12-02 21:47:11,995 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 23 [2018-12-02 21:47:11,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:47:11,995 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2018-12-02 21:47:11,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:47:11,995 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2018-12-02 21:47:11,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 21:47:11,996 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:47:11,996 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 21:47:11,996 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:47:11,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:47:11,996 INFO L82 PathProgramCache]: Analyzing trace with hash 988405985, now seen corresponding path program 1 times [2018-12-02 21:47:11,997 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:47:11,997 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/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 21:47:12,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:47:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:47:12,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:47:12,105 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 21:47:12,105 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:47:12,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:47:12,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:47:12,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:47:12,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:47:12,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:47:12,115 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 7 states. [2018-12-02 21:47:12,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:47:12,396 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2018-12-02 21:47:12,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:47:12,398 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-02 21:47:12,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:47:12,398 INFO L225 Difference]: With dead ends: 52 [2018-12-02 21:47:12,398 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 21:47:12,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-02 21:47:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 21:47:12,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 21:47:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 21:47:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 21:47:12,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-12-02 21:47:12,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:47:12,399 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 21:47:12,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:47:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 21:47:12,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 21:47:12,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 21:47:13,779 WARN L180 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 21:47:13,810 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 108) no Hoare annotation was computed. [2018-12-02 21:47:13,810 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 108) the Hoare annotation is: true [2018-12-02 21:47:13,810 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 108) no Hoare annotation was computed. [2018-12-02 21:47:13,810 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:47:13,810 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 21:47:13,810 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:47:13,810 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:47:13,811 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 21:47:13,811 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 21:47:13,811 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:47:13,811 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 110 128) the Hoare annotation is: true [2018-12-02 21:47:13,811 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 110 128) no Hoare annotation was computed. [2018-12-02 21:47:13,811 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-02 21:47:13,811 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (and (exists ((fmod_float_~x (_ FloatingPoint 8 24))) (= main_~res~0 (let ((.cse0 (fp.mul roundNearestTiesToEven fmod_float_~x (_ +zero 8 24)))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (= (_ +zero 8 24) main_~y~0)) [2018-12-02 21:47:13,811 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 125) no Hoare annotation was computed. [2018-12-02 21:47:13,811 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 110 128) no Hoare annotation was computed. [2018-12-02 21:47:13,811 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (= (_ +zero 8 24) main_~y~0) [2018-12-02 21:47:13,811 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-12-02 21:47:13,811 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point fmod_floatEXIT(lines 17 105) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 20 24) the Hoare annotation is: (= fmod_float_~y |fmod_float_#in~y|) [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point fmod_floatFINAL(lines 17 105) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L451 ceAbstractionStarter]: At program point fmod_floatENTRY(lines 17 105) the Hoare annotation is: true [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-12-02 21:47:13,812 INFO L444 ceAbstractionStarter]: At program point L88-2(lines 88 92) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|)) [2018-12-02 21:47:13,812 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2018-12-02 21:47:13,813 INFO L444 ceAbstractionStarter]: At program point L47-3(lines 47 48) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|) (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) fmod_float_~hy~0)))) [2018-12-02 21:47:13,813 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-12-02 21:47:13,813 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|)) [2018-12-02 21:47:13,813 INFO L448 ceAbstractionStarter]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2018-12-02 21:47:13,813 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2018-12-02 21:47:13,813 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2018-12-02 21:47:13,813 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2018-12-02 21:47:13,813 INFO L448 ceAbstractionStarter]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2018-12-02 21:47:13,813 INFO L444 ceAbstractionStarter]: At program point L82-2(lines 82 85) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|)) [2018-12-02 21:47:13,813 INFO L448 ceAbstractionStarter]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2018-12-02 21:47:13,813 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2018-12-02 21:47:13,814 INFO L444 ceAbstractionStarter]: At program point L41-3(lines 41 42) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|) (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) fmod_float_~hy~0)))) [2018-12-02 21:47:13,814 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2018-12-02 21:47:13,814 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2018-12-02 21:47:13,814 INFO L448 ceAbstractionStarter]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2018-12-02 21:47:13,814 INFO L448 ceAbstractionStarter]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2018-12-02 21:47:13,814 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2018-12-02 21:47:13,814 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-02 21:47:13,814 INFO L444 ceAbstractionStarter]: At program point L67-2(lines 65 74) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|)) [2018-12-02 21:47:13,814 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2018-12-02 21:47:13,814 INFO L448 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2018-12-02 21:47:13,817 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,822 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,822 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,822 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,823 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,823 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,823 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,823 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,823 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,824 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,824 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,824 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,824 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,825 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,825 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,825 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,825 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,825 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,825 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,827 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,827 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,827 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,827 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,827 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,827 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,827 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,829 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,829 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,829 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,829 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,829 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,829 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,831 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,831 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,831 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,831 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,831 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,831 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,832 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,832 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:47:13 BoogieIcfgContainer [2018-12-02 21:47:13,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:47:13,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:47:13,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:47:13,833 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:47:13,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:46:31" (3/4) ... [2018-12-02 21:47:13,836 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 21:47:13,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-02 21:47:13,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 21:47:13,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 21:47:13,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_float [2018-12-02 21:47:13,843 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 21:47:13,844 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 21:47:13,844 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 21:47:13,844 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 21:47:13,859 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: y == \old(y) [2018-12-02 21:47:13,867 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_286d8b2e-8bd9-49d3-b8ae-14d981226ba6/bin-2019/utaipan/witness.graphml [2018-12-02 21:47:13,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:47:13,867 INFO L168 Benchmark]: Toolchain (without parser) took 43316.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 942.0 MB in the beginning and 967.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 121.9 MB. Max. memory is 11.5 GB. [2018-12-02 21:47:13,868 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:47:13,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.27 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:47:13,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -209.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:47:13,869 INFO L168 Benchmark]: Boogie Preprocessor took 27.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:47:13,869 INFO L168 Benchmark]: RCFGBuilder took 1157.27 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: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-12-02 21:47:13,869 INFO L168 Benchmark]: TraceAbstraction took 41865.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.2 MB in the end (delta: 122.9 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. [2018-12-02 21:47:13,869 INFO L168 Benchmark]: Witness Printer took 33.57 ms. Allocated memory is still 1.2 GB. Free memory was 974.2 MB in the beginning and 967.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:47:13,871 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.27 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 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 49.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -209.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1157.27 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: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41865.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.2 MB in the end (delta: 122.9 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. * Witness Printer took 33.57 ms. Allocated memory is still 1.2 GB. Free memory was 974.2 MB in the beginning and 967.4 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_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: 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: 97]: Loop Invariant [2018-12-02 21:47:13,874 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,874 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,874 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,874 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y) - InvariantResult [Line: 82]: Loop Invariant [2018-12-02 21:47:13,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y) - InvariantResult [Line: 41]: Loop Invariant [2018-12-02 21:47:13,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: ((\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y)) && (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && ~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == hy) - InvariantResult [Line: 88]: Loop Invariant [2018-12-02 21:47:13,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y) - InvariantResult [Line: 47]: Loop Invariant [2018-12-02 21:47:13,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,881 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,881 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,881 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: ((\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y)) && (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && ~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == hy) - InvariantResult [Line: 65]: Loop Invariant [2018-12-02 21:47:13,881 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,881 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,881 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,881 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-02 21:47:13,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: y == \old(y) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 1 error locations. SAFE Result, 41.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 24.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 174 SDtfs, 148 SDslu, 486 SDs, 0 SdLazy, 98 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 28.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 17 PreInvPairs, 25 NumberOfFragments, 187 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 65 ConstructedInterpolants, 8 QuantifiedInterpolants, 5614 SizeOfPredicates, 8 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...