./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b_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_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43a504f2a78cd97f2f59239768b095c018a8cdcb ........................................................................................................................................................................................................................................................................................................................ 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_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43a504f2a78cd97f2f59239768b095c018a8cdcb .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:41:06,022 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:41:06,023 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:41:06,030 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:41:06,030 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:41:06,031 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:41:06,031 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:41:06,033 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:41:06,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:41:06,034 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:41:06,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:41:06,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:41:06,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:41:06,036 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:41:06,037 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:41:06,037 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:41:06,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:41:06,039 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:41:06,039 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:41:06,040 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:41:06,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:41:06,041 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:41:06,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:41:06,042 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:41:06,042 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:41:06,043 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:41:06,043 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:41:06,044 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:41:06,044 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:41:06,044 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:41:06,044 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:41:06,045 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:41:06,045 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:41:06,045 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:41:06,045 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:41:06,046 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:41:06,046 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 01:41:06,053 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:41:06,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:41:06,053 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:41:06,053 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:41:06,054 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:41:06,054 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:41:06,054 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:41:06,054 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:41:06,054 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:41:06,054 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:41:06,054 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:41:06,054 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:41:06,054 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:41:06,054 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:41:06,054 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:41:06,055 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:41:06,055 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:41:06,055 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:41:06,055 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:41:06,055 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:41:06,055 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:41:06,055 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:41:06,055 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:41:06,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:41:06,055 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:41:06,055 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:41:06,056 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:41:06,056 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 01:41:06,056 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:41:06,056 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:41:06,056 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_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2018-12-09 01:41:06,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:41:06,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:41:06,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:41:06,086 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:41:06,086 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:41:06,087 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-09 01:41:06,125 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/data/c2498e60a/ade96a6188dc447a90c6f046931b9db6/FLAG7bb27695c [2018-12-09 01:41:06,524 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:41:06,525 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-09 01:41:06,529 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/data/c2498e60a/ade96a6188dc447a90c6f046931b9db6/FLAG7bb27695c [2018-12-09 01:41:06,537 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/data/c2498e60a/ade96a6188dc447a90c6f046931b9db6 [2018-12-09 01:41:06,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:41:06,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:41:06,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:41:06,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:41:06,542 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:41:06,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c1f7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06, skipping insertion in model container [2018-12-09 01:41:06,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:41:06,561 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:41:06,666 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:41:06,669 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:41:06,692 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:41:06,735 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:41:06,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06 WrapperNode [2018-12-09 01:41:06,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:41:06,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:41:06,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:41:06,737 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:41:06,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:41:06,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:41:06,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:41:06,753 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:41:06,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (1/1) ... [2018-12-09 01:41:06,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:41:06,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:41:06,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:41:06,776 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:41:06,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:41:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:41:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:41:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 01:41:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 01:41:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 01:41:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 01:41:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:41:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:41:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 01:41:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:41:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-09 01:41:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-09 01:41:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-09 01:41:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-09 01:41:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:41:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:41:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 01:41:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 01:41:07,002 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:41:07,002 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 01:41:07,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:41:07 BoogieIcfgContainer [2018-12-09 01:41:07,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:41:07,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:41:07,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:41:07,005 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:41:07,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:41:06" (1/3) ... [2018-12-09 01:41:07,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6980a0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:41:07, skipping insertion in model container [2018-12-09 01:41:07,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:06" (2/3) ... [2018-12-09 01:41:07,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6980a0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:41:07, skipping insertion in model container [2018-12-09 01:41:07,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:41:07" (3/3) ... [2018-12-09 01:41:07,007 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b_true-unreach-call.c [2018-12-09 01:41:07,012 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:41:07,017 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:41:07,026 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:41:07,043 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:41:07,043 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:41:07,043 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:41:07,044 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:41:07,044 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:41:07,044 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:41:07,044 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:41:07,044 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:41:07,044 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:41:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-12-09 01:41:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 01:41:07,057 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:41:07,058 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] [2018-12-09 01:41:07,059 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:41:07,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:41:07,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1365748733, now seen corresponding path program 1 times [2018-12-09 01:41:07,064 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:41:07,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:41:07,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:41:07,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:41:07,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:41:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:41:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:41:07,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:41:07,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 01:41:07,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 01:41:07,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 01:41:07,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 01:41:07,162 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2018-12-09 01:41:07,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:41:07,177 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2018-12-09 01:41:07,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 01:41:07,178 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-09 01:41:07,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:41:07,184 INFO L225 Difference]: With dead ends: 112 [2018-12-09 01:41:07,184 INFO L226 Difference]: Without dead ends: 56 [2018-12-09 01:41:07,186 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 [2018-12-09 01:41:07,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-09 01:41:07,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-12-09 01:41:07,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-09 01:41:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2018-12-09 01:41:07,209 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 21 [2018-12-09 01:41:07,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:41:07,209 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2018-12-09 01:41:07,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 01:41:07,209 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2018-12-09 01:41:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 01:41:07,210 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:41:07,210 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] [2018-12-09 01:41:07,210 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:41:07,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:41:07,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1230257407, now seen corresponding path program 1 times [2018-12-09 01:41:07,211 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:41:07,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:41:07,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:41:07,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:41:07,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:41:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:41:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:41:07,263 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:41:07,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:41:07 BoogieIcfgContainer [2018-12-09 01:41:07,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:41:07,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:41:07,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:41:07,287 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:41:07,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:41:07" (3/4) ... [2018-12-09 01:41:07,290 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 01:41:07,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:41:07,290 INFO L168 Benchmark]: Toolchain (without parser) took 751.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -126.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:07,291 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:41:07,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 953.3 MB in the beginning and 1.2 GB in the end (delta: -199.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:07,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 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. [2018-12-09 01:41:07,293 INFO L168 Benchmark]: Boogie Preprocessor took 22.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:07,293 INFO L168 Benchmark]: RCFGBuilder took 226.87 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:07,293 INFO L168 Benchmark]: TraceAbstraction took 284.29 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:07,294 INFO L168 Benchmark]: Witness Printer took 2.80 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. [2018-12-09 01:41:07,295 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 196.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 953.3 MB in the beginning and 1.2 GB in the end (delta: -199.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 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 22.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 226.87 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 284.29 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 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: 159]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 117, overapproximation of bitwiseAnd at line 116. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; VAL [\old(ivln10_log10)=6442450946, \old(Lg1_log)=6442450965, \old(Lg2_log)=6442450967, \old(Lg3_log)=6442450945, \old(Lg4_log)=6442450949, \old(Lg5_log)=6442450952, \old(Lg6_log)=6442450963, \old(Lg7_log)=6442450959, \old(ln2_hi_log)=6442450948, \old(ln2_lo_log)=6442450954, \old(log10_2hi_log10)=6442450957, \old(log10_2lo_log10)=6442450962, \old(two25_log)=6442450958, \old(two25_log10)=6442450961, \old(zero)=6442450966, \old(zero_log)=6442450956, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] float x = -1.0f / 0.0f; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L155] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=6442450964, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L106] float y, z; [L107] __int32_t i, k, hx; VAL [\old(x)=6442450964, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [\old(x)=6442450964, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [\old(x)=6442450964, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] [L155] RET, EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=6442450951, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] [L155] float res = __ieee754_log10f(x); [L158] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450951, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L145] return x != x; VAL [\old(x)=6442450951, \result=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450951, zero=0, zero_log=0] [L158] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450951, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] [L158] COND TRUE !isnan_float(res) [L159] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450951, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 60 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 74 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=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 [2018-12-09 01:41:08,642 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:41:08,643 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:41:08,651 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:41:08,651 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:41:08,651 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:41:08,652 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:41:08,653 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:41:08,654 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:41:08,655 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:41:08,655 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:41:08,655 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:41:08,656 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:41:08,656 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:41:08,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:41:08,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:41:08,658 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:41:08,659 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:41:08,660 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:41:08,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:41:08,661 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:41:08,662 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:41:08,663 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:41:08,663 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:41:08,663 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:41:08,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:41:08,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:41:08,664 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:41:08,665 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:41:08,665 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:41:08,665 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:41:08,666 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:41:08,666 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:41:08,666 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:41:08,666 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:41:08,667 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:41:08,667 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 01:41:08,673 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:41:08,674 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:41:08,674 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:41:08,674 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:41:08,675 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:41:08,675 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:41:08,675 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:41:08,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:41:08,675 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:41:08,675 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:41:08,675 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:41:08,675 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:41:08,675 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:41:08,675 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:41:08,675 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 01:41:08,676 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 01:41:08,676 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:41:08,676 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:41:08,676 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:41:08,676 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:41:08,676 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:41:08,676 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:41:08,676 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:41:08,676 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:41:08,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:41:08,677 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:41:08,677 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:41:08,677 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:41:08,677 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 01:41:08,677 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:41:08,677 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 01:41:08,677 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 01:41:08,677 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_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2018-12-09 01:41:08,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:41:08,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:41:08,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:41:08,708 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:41:08,708 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:41:08,709 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-09 01:41:08,753 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/data/914b1d980/71785abe711743ef9f8547711be98bf3/FLAG057a22362 [2018-12-09 01:41:09,145 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:41:09,145 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/sv-benchmarks/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-09 01:41:09,149 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/data/914b1d980/71785abe711743ef9f8547711be98bf3/FLAG057a22362 [2018-12-09 01:41:09,157 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/data/914b1d980/71785abe711743ef9f8547711be98bf3 [2018-12-09 01:41:09,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:41:09,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:41:09,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:41:09,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:41:09,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:41:09,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09, skipping insertion in model container [2018-12-09 01:41:09,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:41:09,187 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:41:09,311 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:41:09,317 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:41:09,347 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:41:09,364 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:41:09,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09 WrapperNode [2018-12-09 01:41:09,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:41:09,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:41:09,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:41:09,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:41:09,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:41:09,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:41:09,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:41:09,384 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:41:09,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (1/1) ... [2018-12-09 01:41:09,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:41:09,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:41:09,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:41:09,453 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:41:09,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:41:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 01:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 01:41:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 01:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 01:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-09 01:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-09 01:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-09 01:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-09 01:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 01:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 01:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 01:41:10,295 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:41:20,020 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:41:20,667 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:41:21,282 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:41:21,293 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:41:21,294 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 01:41:21,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:41:21 BoogieIcfgContainer [2018-12-09 01:41:21,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:41:21,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:41:21,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:41:21,297 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:41:21,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:41:09" (1/3) ... [2018-12-09 01:41:21,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c74a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:41:21, skipping insertion in model container [2018-12-09 01:41:21,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:41:09" (2/3) ... [2018-12-09 01:41:21,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c74a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:41:21, skipping insertion in model container [2018-12-09 01:41:21,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:41:21" (3/3) ... [2018-12-09 01:41:21,299 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b_true-unreach-call.c [2018-12-09 01:41:21,304 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:41:21,309 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:41:21,318 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:41:21,334 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:41:21,335 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:41:21,335 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:41:21,335 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:41:21,335 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:41:21,335 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:41:21,335 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:41:21,335 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:41:21,335 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:41:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-12-09 01:41:21,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 01:41:21,348 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:41:21,349 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] [2018-12-09 01:41:21,350 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:41:21,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:41:21,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1442699168, now seen corresponding path program 1 times [2018-12-09 01:41:21,355 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 01:41:21,356 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 01:41:21,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:41:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:41:21,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:41:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:41:21,583 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 01:41:21,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:41:21,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 01:41:21,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 01:41:21,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 01:41:21,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 01:41:21,606 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-12-09 01:41:21,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:41:21,622 INFO L93 Difference]: Finished difference Result 110 states and 165 transitions. [2018-12-09 01:41:21,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 01:41:21,623 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-09 01:41:21,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:41:21,629 INFO L225 Difference]: With dead ends: 110 [2018-12-09 01:41:21,629 INFO L226 Difference]: Without dead ends: 55 [2018-12-09 01:41:21,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 01:41:21,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-09 01:41:21,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-09 01:41:21,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-09 01:41:21,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2018-12-09 01:41:21,655 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 20 [2018-12-09 01:41:21,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:41:21,655 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2018-12-09 01:41:21,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 01:41:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2018-12-09 01:41:21,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 01:41:21,656 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:41:21,656 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] [2018-12-09 01:41:21,656 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:41:21,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:41:21,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1517079774, now seen corresponding path program 1 times [2018-12-09 01:41:21,657 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 01:41:21,657 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/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 [2018-12-09 01:41:21,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:41:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:41:21,855 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:41:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:41:21,914 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 01:41:21,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:41:21,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 01:41:21,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:41:21,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:41:21,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:41:21,925 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand 6 states. [2018-12-09 01:41:23,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:41:23,204 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2018-12-09 01:41:23,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:41:23,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-12-09 01:41:23,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:41:23,207 INFO L225 Difference]: With dead ends: 69 [2018-12-09 01:41:23,207 INFO L226 Difference]: Without dead ends: 59 [2018-12-09 01:41:23,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 01:41:23,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-09 01:41:23,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2018-12-09 01:41:23,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-09 01:41:23,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2018-12-09 01:41:23,213 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 21 [2018-12-09 01:41:23,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:41:23,213 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2018-12-09 01:41:23,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:41:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2018-12-09 01:41:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 01:41:23,214 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:41:23,214 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] [2018-12-09 01:41:23,214 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:41:23,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:41:23,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1264421054, now seen corresponding path program 1 times [2018-12-09 01:41:23,215 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 01:41:23,215 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/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 [2018-12-09 01:41:23,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:41:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:41:23,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:41:25,545 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log10f_#in~x| |c___ieee754_log10f_#in~x|) c_~zero~0) |c___ieee754_log10f_#res|) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) c_~zero~0)) is different from true [2018-12-09 01:41:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:41:25,630 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 01:41:25,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:41:25,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 01:41:25,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 01:41:25,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 01:41:25,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-12-09 01:41:25,640 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand 10 states. [2018-12-09 01:41:27,335 WARN L180 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-09 01:41:27,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:41:27,778 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2018-12-09 01:41:27,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 01:41:27,779 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-12-09 01:41:27,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:41:27,780 INFO L225 Difference]: With dead ends: 66 [2018-12-09 01:41:27,780 INFO L226 Difference]: Without dead ends: 59 [2018-12-09 01:41:27,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=44, Invalid=141, Unknown=1, NotChecked=24, Total=210 [2018-12-09 01:41:27,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-09 01:41:27,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2018-12-09 01:41:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-09 01:41:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 67 transitions. [2018-12-09 01:41:27,788 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 67 transitions. Word has length 22 [2018-12-09 01:41:27,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:41:27,788 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 67 transitions. [2018-12-09 01:41:27,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 01:41:27,789 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2018-12-09 01:41:27,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 01:41:27,789 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:41:27,789 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] [2018-12-09 01:41:27,789 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:41:27,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:41:27,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1917312474, now seen corresponding path program 1 times [2018-12-09 01:41:27,790 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 01:41:27,790 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 01:41:27,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:41:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:41:27,850 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:41:27,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:41:27,891 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 01:41:27,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:41:27,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 01:41:27,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:41:27,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:41:27,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:41:27,900 INFO L87 Difference]: Start difference. First operand 55 states and 67 transitions. Second operand 6 states. [2018-12-09 01:41:28,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:41:28,509 INFO L93 Difference]: Finished difference Result 59 states and 71 transitions. [2018-12-09 01:41:28,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 01:41:28,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-09 01:41:28,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:41:28,510 INFO L225 Difference]: With dead ends: 59 [2018-12-09 01:41:28,510 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:41:28,511 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 01:41:28,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:41:28,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:41:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:41:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:41:28,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-12-09 01:41:28,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:41:28,511 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:41:28,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:41:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:41:28,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:41:28,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 01:41:28,696 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 145) no Hoare annotation was computed. [2018-12-09 01:41:28,697 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 145) the Hoare annotation is: true [2018-12-09 01:41:28,697 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 145) no Hoare annotation was computed. [2018-12-09 01:41:28,697 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:41:28,697 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:41:28,697 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:41:28,697 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-09 01:41:28,697 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-12-09 01:41:28,697 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-12-09 01:41:28,697 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-12-09 01:41:28,697 INFO L451 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: true [2018-12-09 01:41:28,697 INFO L451 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 20 96) the Hoare annotation is: true [2018-12-09 01:41:28,697 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 20 96) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L451 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: true [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L451 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: true [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 20 96) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-12-09 01:41:28,698 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-12-09 01:41:28,699 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-12-09 01:41:28,699 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2018-12-09 01:41:28,699 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2018-12-09 01:41:28,699 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-12-09 01:41:28,699 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2018-12-09 01:41:28,699 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 135 139) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 01:41:28,699 INFO L444 ceAbstractionStarter]: At program point L135-3(lines 135 139) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 01:41:28,699 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-12-09 01:41:28,699 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 105 142) the Hoare annotation is: true [2018-12-09 01:41:28,699 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 105 142) no Hoare annotation was computed. [2018-12-09 01:41:28,699 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 105 142) no Hoare annotation was computed. [2018-12-09 01:41:28,699 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-09 01:41:28,699 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2018-12-09 01:41:28,700 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-12-09 01:41:28,700 INFO L444 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: (or (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 01:41:28,700 INFO L448 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2018-12-09 01:41:28,700 INFO L444 ceAbstractionStarter]: At program point L109-2(lines 109 113) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x)) [2018-12-09 01:41:28,700 INFO L448 ceAbstractionStarter]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2018-12-09 01:41:28,700 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:41:28,700 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0) [2018-12-09 01:41:28,700 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:41:28,700 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:41:28,700 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-09 01:41:28,700 INFO L444 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (or (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= main_~res~0 (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) .cse1)) (= main_~x~0 .cse0))) (not (= .cse1 ~zero~0)))) [2018-12-09 01:41:28,700 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 147 164) the Hoare annotation is: true [2018-12-09 01:41:28,700 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 158 161) no Hoare annotation was computed. [2018-12-09 01:41:28,701 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 147 164) no Hoare annotation was computed. [2018-12-09 01:41:28,701 INFO L444 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: (or (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 01:41:28,701 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2018-12-09 01:41:28,701 INFO L448 ceAbstractionStarter]: For program point L155-1(line 155) no Hoare annotation was computed. [2018-12-09 01:41:28,701 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 147 164) no Hoare annotation was computed. [2018-12-09 01:41:28,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,706 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,707 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 01:41:28,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,709 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 01:41:28,710 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 01:41:28,710 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 01:41:28,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,711 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 01:41:28,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,712 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,712 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,712 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 01:41:28,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:41:28 BoogieIcfgContainer [2018-12-09 01:41:28,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:41:28,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:41:28,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:41:28,714 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:41:28,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:41:21" (3/4) ... [2018-12-09 01:41:28,716 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:41:28,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-09 01:41:28,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 01:41:28,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-12-09 01:41:28,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-12-09 01:41:28,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 01:41:28,724 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-12-09 01:41:28,724 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 01:41:28,724 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 01:41:28,725 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 01:41:28,740 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x [2018-12-09 01:41:28,741 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-12-09 01:41:28,741 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-12-09 01:41:28,758 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a547ef30-aec9-4ede-9c62-3c5f5c1fbe10/bin-2019/uautomizer/witness.graphml [2018-12-09 01:41:28,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:41:28,759 INFO L168 Benchmark]: Toolchain (without parser) took 19599.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 943.4 MB in the beginning and 903.5 MB in the end (delta: 39.8 MB). Peak memory consumption was 171.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:28,760 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-12-09 01:41:28,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.89 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:28,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.20 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:41:28,760 INFO L168 Benchmark]: Boogie Preprocessor took 68.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:28,760 INFO L168 Benchmark]: RCFGBuilder took 11841.03 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:28,760 INFO L168 Benchmark]: TraceAbstraction took 7418.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.4 MB in the end (delta: 163.7 MB). Peak memory consumption was 163.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:28,761 INFO L168 Benchmark]: Witness Printer took 45.34 ms. Allocated memory is still 1.2 GB. Free memory was 910.4 MB in the beginning and 903.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:28,762 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.89 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 19.20 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11841.03 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7418.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.4 MB in the end (delta: 163.7 MB). Peak memory consumption was 163.7 MB. Max. memory is 11.5 GB. * Witness Printer took 45.34 ms. Allocated memory is still 1.2 GB. Free memory was 910.4 MB in the beginning and 903.5 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[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 159]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant [2018-12-09 01:41:28,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,765 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 01:41:28,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,765 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 109]: Loop Invariant [2018-12-09 01:41:28,766 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 01:41:28,766 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x - InvariantResult [Line: 125]: Loop Invariant [2018-12-09 01:41:28,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,766 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 01:41:28,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 01:41:28,767 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 59 locations, 1 error locations. SAFE Result, 7.3s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 243 SDtfs, 117 SDslu, 731 SDs, 0 SdLazy, 140 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 23 PreInvPairs, 32 NumberOfFragments, 156 HoareAnnotationTreeSize, 23 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 111 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 5 QuantifiedInterpolants, 8678 SizeOfPredicates, 11 NumberOfNonLiveVariables, 406 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...