./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/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 a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 ........................................................................................................................................................................................................................................................................................................................................ 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_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/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 a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:33:33,020 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:33:33,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:33:33,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:33:33,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:33:33,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:33:33,033 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:33:33,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:33:33,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:33:33,037 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:33:33,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:33:33,038 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:33:33,039 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:33:33,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:33:33,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:33:33,042 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:33:33,042 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:33:33,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:33:33,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:33:33,047 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:33:33,048 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:33:33,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:33:33,052 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:33:33,052 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:33:33,052 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:33:33,053 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:33:33,054 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:33:33,054 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:33:33,056 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:33:33,057 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:33:33,057 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:33:33,057 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:33:33,058 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:33:33,058 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:33:33,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:33:33,060 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:33:33,060 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-27 00:33:33,071 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:33:33,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:33:33,072 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:33:33,072 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:33:33,073 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:33:33,073 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:33:33,073 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 00:33:33,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:33:33,074 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:33:33,074 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:33:33,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:33:33,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:33:33,074 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:33:33,074 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:33:33,074 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:33:33,075 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:33:33,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:33:33,075 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:33:33,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:33:33,077 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:33:33,077 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:33:33,077 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:33:33,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:33:33,077 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:33:33,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:33:33,078 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:33:33,078 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 00:33:33,078 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:33:33,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:33:33,078 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_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/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 -> a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 [2018-10-27 00:33:33,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:33:33,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:33:33,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:33:33,120 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:33:33,121 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:33:33,121 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-10-27 00:33:33,176 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/data/17fdc3c6e/814cf56193504b8eb6223001b4b025f5/FLAGf2b62ab57 [2018-10-27 00:33:33,566 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:33:33,567 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-10-27 00:33:33,574 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/data/17fdc3c6e/814cf56193504b8eb6223001b4b025f5/FLAGf2b62ab57 [2018-10-27 00:33:33,586 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/data/17fdc3c6e/814cf56193504b8eb6223001b4b025f5 [2018-10-27 00:33:33,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:33:33,590 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:33:33,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:33:33,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:33:33,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:33:33,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:33:33" (1/1) ... [2018-10-27 00:33:33,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e1d618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33, skipping insertion in model container [2018-10-27 00:33:33,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:33:33" (1/1) ... [2018-10-27 00:33:33,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:33:33,633 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:33:33,785 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:33:33,789 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:33:33,824 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:33:33,840 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:33:33,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33 WrapperNode [2018-10-27 00:33:33,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:33:33,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:33:33,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:33:33,841 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:33:33,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33" (1/1) ... [2018-10-27 00:33:33,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33" (1/1) ... [2018-10-27 00:33:33,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33" (1/1) ... [2018-10-27 00:33:33,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33" (1/1) ... [2018-10-27 00:33:33,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33" (1/1) ... [2018-10-27 00:33:33,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33" (1/1) ... [2018-10-27 00:33:33,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33" (1/1) ... [2018-10-27 00:33:33,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:33:33,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:33:33,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:33:33,901 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:33:33,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/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 [2018-10-27 00:33:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:33:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:33:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-10-27 00:33:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-10-27 00:33:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-27 00:33:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:33:34,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 00:33:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-10-27 00:33:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:33:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-27 00:33:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 00:33:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:33:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 00:33:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-27 00:33:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-10-27 00:33:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-27 00:33:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:33:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:33:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:33:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-10-27 00:33:34,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-27 00:33:34,773 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:33:34,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:33:34 BoogieIcfgContainer [2018-10-27 00:33:34,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:33:34,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:33:34,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:33:34,778 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:33:34,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:33:33" (1/3) ... [2018-10-27 00:33:34,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e7eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:33:34, skipping insertion in model container [2018-10-27 00:33:34,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:33" (2/3) ... [2018-10-27 00:33:34,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e7eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:33:34, skipping insertion in model container [2018-10-27 00:33:34,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:33:34" (3/3) ... [2018-10-27 00:33:34,781 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981_true-unreach-call.c [2018-10-27 00:33:34,790 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:33:34,797 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:33:34,811 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:33:34,844 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:33:34,846 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:33:34,846 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:33:34,846 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:33:34,846 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:33:34,846 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:33:34,847 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:33:34,847 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:33:34,847 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:33:34,874 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-10-27 00:33:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:33:34,883 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:33:34,883 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:33:34,886 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:33:34,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:33:34,894 INFO L82 PathProgramCache]: Analyzing trace with hash 662128350, now seen corresponding path program 1 times [2018-10-27 00:33:34,896 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 00:33:34,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 00:33:34,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:33:34,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:33:34,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:33:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:33:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:33:35,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:33:35,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:33:35,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:33:35,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:33:35,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:33:35,100 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-10-27 00:33:35,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:33:35,139 INFO L93 Difference]: Finished difference Result 230 states and 290 transitions. [2018-10-27 00:33:35,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:33:35,141 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-10-27 00:33:35,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:33:35,151 INFO L225 Difference]: With dead ends: 230 [2018-10-27 00:33:35,151 INFO L226 Difference]: Without dead ends: 115 [2018-10-27 00:33:35,155 INFO L605 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 [2018-10-27 00:33:35,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-10-27 00:33:35,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-10-27 00:33:35,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-27 00:33:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 129 transitions. [2018-10-27 00:33:35,191 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 129 transitions. Word has length 23 [2018-10-27 00:33:35,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:33:35,191 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 129 transitions. [2018-10-27 00:33:35,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:33:35,191 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 129 transitions. [2018-10-27 00:33:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-27 00:33:35,193 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:33:35,193 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:33:35,193 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:33:35,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:33:35,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1945787210, now seen corresponding path program 1 times [2018-10-27 00:33:35,194 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 00:33:35,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 00:33:35,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:33:35,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:33:35,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:33:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:33:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:33:35,294 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 00:33:35,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:33:35 BoogieIcfgContainer [2018-10-27 00:33:35,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:33:35,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:33:35,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:33:35,369 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:33:35,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:33:34" (3/4) ... [2018-10-27 00:33:35,373 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:33:35,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:33:35,374 INFO L168 Benchmark]: Toolchain (without parser) took 1784.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:35,377 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:33:35,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.17 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 944.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:35,378 INFO L168 Benchmark]: Boogie Preprocessor took 59.71 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:35,379 INFO L168 Benchmark]: RCFGBuilder took 872.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:35,379 INFO L168 Benchmark]: TraceAbstraction took 594.15 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:35,380 INFO L168 Benchmark]: Witness Printer took 4.33 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. [2018-10-27 00:33:35,383 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.17 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 944.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.71 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 872.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 594.15 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.33 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: 168]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 151. Possible FailurePath: [L11-L15] 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; [L17] static const float zero_log = 0.0; [L97-L100] 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; [L102] static const float zero = 0.0; VAL [\old(ivln10_log10)=10737418242, \old(Lg1_log)=10737418261, \old(Lg2_log)=10737418264, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418248, \old(Lg5_log)=10737418250, \old(Lg6_log)=10737418259, \old(Lg7_log)=10737418256, \old(ln2_hi_log)=10737418244, \old(ln2_lo_log)=10737418251, \old(log10_2hi_log10)=10737418254, \old(log10_2lo_log10)=10737418258, \old(two25_log)=10737418255, \old(two25_log10)=10737418257, \old(zero)=10737418262, \old(zero_log)=10737418253, 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] [L163] 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] [L164] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=10737418260, 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] [L105] float y, z; [L106] __int32_t i, k, hx; VAL [\old(x)=10737418260, 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=10737418260, zero=0, zero_log=0] [L109] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418260, gf_u={10737418263:0}, 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=10737418260, zero=0, zero_log=0] [L110] FCALL gf_u.value = (x) VAL [\old(x)=10737418260, gf_u={10737418263:0}, 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=10737418260, zero=0, zero_log=0] [L111] EXPR, FCALL gf_u.word VAL [\old(x)=10737418260, gf_u={10737418263:0}, gf_u.word=6442450944, 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=10737418260, zero=0, zero_log=0] [L111] (hx) = gf_u.word VAL [(hx) = gf_u.word=10737418245, \old(x)=10737418260, gf_u={10737418263:0}, gf_u.word=6442450944, hx=-2147483648, 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=10737418260, zero=0, zero_log=0] [L112] COND FALSE !(0) VAL [\old(x)=10737418260, hx=-2147483648, 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=10737418260, zero=0, zero_log=0] [L114] k = 0 VAL [\old(x)=10737418260, 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=10737418260, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] RET return -two25_log10 / zero; VAL [\old(x)=10737418260, 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=10737418260, zero=0, zero_log=0] [L164] EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=10737418246, 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=10737418260, zero=0, zero_log=0] [L164] float res = __ieee754_log10f(x); [L167] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418246, 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] __int32_t ix; VAL [\old(x)=10737418246, 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=10737418246, zero=0, zero_log=0] [L147] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418246, gf_u={10737418247:0}, 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=10737418246, zero=0, zero_log=0] [L148] FCALL gf_u.value = (x) VAL [\old(x)=10737418246, gf_u={10737418247:0}, 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=10737418246, zero=0, zero_log=0] [L149] EXPR, FCALL gf_u.word VAL [\old(x)=10737418246, gf_u={10737418247:0}, gf_u.word=10737418240, 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=10737418246, zero=0, zero_log=0] [L149] (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418249, \old(x)=10737418246, gf_u={10737418247:0}, gf_u.word=10737418240, ivln10_log10=43429449201/100000000000, ix=-2147483648, 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=10737418246, zero=0, zero_log=0] [L150] COND FALSE !(0) VAL [\old(x)=10737418246, ivln10_log10=43429449201/100000000000, ix=-2147483648, 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=10737418246, zero=0, zero_log=0] [L151] ix &= 0x7fffffff [L152] RET return ((ix) == 0x7f800000L); VAL [\old(x)=10737418246, \result=0, ivln10_log10=43429449201/100000000000, ix=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=10737418246, zero=0, zero_log=0] [L167] EXPR isinf_float(res) VAL [isinf_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=10737418246, two25_log=33554432, two25_log10=33554432, x=10737418260, zero=0, zero_log=0] [L167] COND TRUE !isinf_float(res) [L168] __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=10737418246, two25_log=33554432, two25_log10=33554432, x=10737418260, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 119 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 133 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=119occurred 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, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:33:37,286 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:33:37,287 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:33:37,299 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:33:37,300 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:33:37,301 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:33:37,302 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:33:37,303 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:33:37,304 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:33:37,305 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:33:37,305 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:33:37,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:33:37,306 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:33:37,307 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:33:37,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:33:37,308 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:33:37,309 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:33:37,310 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:33:37,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:33:37,313 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:33:37,314 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:33:37,315 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:33:37,317 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:33:37,317 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:33:37,317 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:33:37,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:33:37,319 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:33:37,319 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:33:37,320 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:33:37,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:33:37,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:33:37,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:33:37,326 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:33:37,326 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:33:37,326 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:33:37,327 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:33:37,327 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-27 00:33:37,344 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:33:37,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:33:37,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:33:37,347 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:33:37,348 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:33:37,349 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:33:37,350 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 00:33:37,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:33:37,350 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:33:37,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:33:37,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:33:37,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:33:37,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:33:37,351 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:33:37,351 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:33:37,351 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:33:37,351 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:33:37,351 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:33:37,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:33:37,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:33:37,352 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:33:37,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:33:37,352 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:33:37,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:33:37,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:33:37,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:33:37,353 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:33:37,353 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-27 00:33:37,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:33:37,353 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:33:37,353 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:33:37,353 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_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/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 -> a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 [2018-10-27 00:33:37,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:33:37,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:33:37,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:33:37,410 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:33:37,410 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:33:37,411 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-10-27 00:33:37,459 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/data/bea6ef693/4f8c9d60c9dd453297e3747402c3129f/FLAG55450e4ee [2018-10-27 00:33:37,848 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:33:37,849 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-10-27 00:33:37,855 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/data/bea6ef693/4f8c9d60c9dd453297e3747402c3129f/FLAG55450e4ee [2018-10-27 00:33:37,867 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/data/bea6ef693/4f8c9d60c9dd453297e3747402c3129f [2018-10-27 00:33:37,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:33:37,871 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:33:37,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:33:37,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:33:37,876 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:33:37,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:33:37" (1/1) ... [2018-10-27 00:33:37,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c53d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:37, skipping insertion in model container [2018-10-27 00:33:37,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:33:37" (1/1) ... [2018-10-27 00:33:37,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:33:37,912 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:33:38,121 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:33:38,135 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:33:38,201 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:33:38,242 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:33:38,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:38 WrapperNode [2018-10-27 00:33:38,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:33:38,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:33:38,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:33:38,244 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:33:38,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:38" (1/1) ... [2018-10-27 00:33:38,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:38" (1/1) ... [2018-10-27 00:33:38,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:38" (1/1) ... [2018-10-27 00:33:38,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:38" (1/1) ... [2018-10-27 00:33:38,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:38" (1/1) ... [2018-10-27 00:33:38,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:38" (1/1) ... [2018-10-27 00:33:38,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:38" (1/1) ... [2018-10-27 00:33:38,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:33:38,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:33:38,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:33:38,300 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:33:38,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/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 [2018-10-27 00:33:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:33:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:33:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-10-27 00:33:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-10-27 00:33:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-27 00:33:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:33:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 00:33:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-10-27 00:33:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:33:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-27 00:33:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-27 00:33:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:33:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-27 00:33:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-27 00:33:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-10-27 00:33:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-27 00:33:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:33:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:33:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:33:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-10-27 00:33:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-10-27 00:33:38,736 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:33:38,775 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:33:52,785 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:33:52,792 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:33:53,491 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:33:53,499 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:33:53,744 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:33:53,758 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:33:54,694 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:33:54,703 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:33:56,887 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:33:56,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:33:56 BoogieIcfgContainer [2018-10-27 00:33:56,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:33:56,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:33:56,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:33:56,891 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:33:56,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:33:37" (1/3) ... [2018-10-27 00:33:56,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ad0f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:33:56, skipping insertion in model container [2018-10-27 00:33:56,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:38" (2/3) ... [2018-10-27 00:33:56,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ad0f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:33:56, skipping insertion in model container [2018-10-27 00:33:56,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:33:56" (3/3) ... [2018-10-27 00:33:56,894 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981_true-unreach-call.c [2018-10-27 00:33:56,904 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:33:56,912 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:33:56,925 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:33:56,952 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:33:56,953 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:33:56,953 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:33:56,953 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:33:56,954 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:33:56,954 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:33:56,954 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:33:56,954 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:33:56,954 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:33:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-10-27 00:33:56,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 00:33:56,976 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:33:56,977 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:33:56,980 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:33:56,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:33:56,984 INFO L82 PathProgramCache]: Analyzing trace with hash -2021389718, now seen corresponding path program 1 times [2018-10-27 00:33:56,987 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:33:56,988 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/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 [2018-10-27 00:33:56,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:33:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:33:57,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:33:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:33:57,241 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:33:57,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:33:57,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:33:57,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:33:57,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:33:57,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:33:57,266 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2018-10-27 00:33:57,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:33:57,294 INFO L93 Difference]: Finished difference Result 228 states and 288 transitions. [2018-10-27 00:33:57,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:33:57,295 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-10-27 00:33:57,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:33:57,305 INFO L225 Difference]: With dead ends: 228 [2018-10-27 00:33:57,305 INFO L226 Difference]: Without dead ends: 114 [2018-10-27 00:33:57,309 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:33:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-10-27 00:33:57,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-10-27 00:33:57,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-27 00:33:57,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 128 transitions. [2018-10-27 00:33:57,350 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 128 transitions. Word has length 22 [2018-10-27 00:33:57,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:33:57,351 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 128 transitions. [2018-10-27 00:33:57,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:33:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 128 transitions. [2018-10-27 00:33:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 00:33:57,353 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:33:57,353 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:33:57,353 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:33:57,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:33:57,354 INFO L82 PathProgramCache]: Analyzing trace with hash -114975408, now seen corresponding path program 1 times [2018-10-27 00:33:57,354 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:33:57,355 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/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 [2018-10-27 00:33:57,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:33:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:33:57,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:33:57,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:33:57,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:33:57,713 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:33:57,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:33:57,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:33:57,783 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-27 00:33:57,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-27 00:33:57,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-27 00:33:57,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:33:57,868 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:33:57,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:33:57,892 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-27 00:33:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:33:58,174 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:33:58,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:33:58,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:33:58,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:33:58,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:33:58,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:33:58,191 INFO L87 Difference]: Start difference. First operand 114 states and 128 transitions. Second operand 8 states. [2018-10-27 00:34:01,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:34:01,516 INFO L93 Difference]: Finished difference Result 143 states and 156 transitions. [2018-10-27 00:34:01,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 00:34:01,520 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-10-27 00:34:01,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:34:01,524 INFO L225 Difference]: With dead ends: 143 [2018-10-27 00:34:01,524 INFO L226 Difference]: Without dead ends: 122 [2018-10-27 00:34:01,525 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-10-27 00:34:01,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-10-27 00:34:01,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 114. [2018-10-27 00:34:01,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-27 00:34:01,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 127 transitions. [2018-10-27 00:34:01,539 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 127 transitions. Word has length 40 [2018-10-27 00:34:01,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:34:01,540 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 127 transitions. [2018-10-27 00:34:01,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:34:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 127 transitions. [2018-10-27 00:34:01,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-27 00:34:01,541 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:34:01,541 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:34:01,542 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:34:01,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:34:01,542 INFO L82 PathProgramCache]: Analyzing trace with hash 510246033, now seen corresponding path program 1 times [2018-10-27 00:34:01,543 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:34:01,544 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/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 [2018-10-27 00:34:01,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:34:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:01,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:34:01,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:34:01,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:34:01,869 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:34:01,876 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:01,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:01,885 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-27 00:34:01,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-27 00:34:01,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-27 00:34:01,907 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:34:01,912 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:01,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:01,915 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-27 00:34:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:34:02,020 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:34:02,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:34:02,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:34:02,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:34:02,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:34:02,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:34:02,038 INFO L87 Difference]: Start difference. First operand 114 states and 127 transitions. Second operand 8 states. [2018-10-27 00:34:03,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:34:03,705 INFO L93 Difference]: Finished difference Result 143 states and 155 transitions. [2018-10-27 00:34:03,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 00:34:03,707 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-10-27 00:34:03,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:34:03,709 INFO L225 Difference]: With dead ends: 143 [2018-10-27 00:34:03,709 INFO L226 Difference]: Without dead ends: 122 [2018-10-27 00:34:03,710 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-10-27 00:34:03,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-10-27 00:34:03,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 114. [2018-10-27 00:34:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-27 00:34:03,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 126 transitions. [2018-10-27 00:34:03,719 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 126 transitions. Word has length 41 [2018-10-27 00:34:03,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:34:03,720 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 126 transitions. [2018-10-27 00:34:03,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:34:03,720 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2018-10-27 00:34:03,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-27 00:34:03,721 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:34:03,721 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:34:03,721 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:34:03,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:34:03,722 INFO L82 PathProgramCache]: Analyzing trace with hash -737322124, now seen corresponding path program 1 times [2018-10-27 00:34:03,722 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:34:03,722 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/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 [2018-10-27 00:34:03,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:34:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:03,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:34:04,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:34:04,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:34:04,216 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:34:04,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:04,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:04,226 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-27 00:34:04,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-27 00:34:04,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-27 00:34:04,283 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:34:04,286 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:04,288 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:04,289 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-27 00:34:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:34:04,607 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:34:04,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:34:04,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-27 00:34:04,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-27 00:34:04,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-27 00:34:04,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-10-27 00:34:04,616 INFO L87 Difference]: Start difference. First operand 114 states and 126 transitions. Second operand 13 states. [2018-10-27 00:34:05,282 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-27 00:34:09,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:34:09,334 INFO L93 Difference]: Finished difference Result 127 states and 139 transitions. [2018-10-27 00:34:09,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-27 00:34:09,335 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-10-27 00:34:09,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:34:09,336 INFO L225 Difference]: With dead ends: 127 [2018-10-27 00:34:09,336 INFO L226 Difference]: Without dead ends: 120 [2018-10-27 00:34:09,337 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2018-10-27 00:34:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-27 00:34:09,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 114. [2018-10-27 00:34:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-27 00:34:09,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 125 transitions. [2018-10-27 00:34:09,349 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 125 transitions. Word has length 42 [2018-10-27 00:34:09,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:34:09,349 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 125 transitions. [2018-10-27 00:34:09,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-27 00:34:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 125 transitions. [2018-10-27 00:34:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-27 00:34:09,351 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:34:09,351 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:34:09,351 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:34:09,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:34:09,352 INFO L82 PathProgramCache]: Analyzing trace with hash -872797056, now seen corresponding path program 1 times [2018-10-27 00:34:09,353 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:34:09,353 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-10-27 00:34:09,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:34:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:09,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:34:09,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:34:09,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:34:09,879 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:34:09,883 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:09,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:09,891 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-27 00:34:09,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-27 00:34:09,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-27 00:34:09,920 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:34:09,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:09,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:34:09,925 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-27 00:34:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:34:10,032 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:34:10,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:34:10,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:34:10,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:34:10,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:34:10,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:34:10,053 INFO L87 Difference]: Start difference. First operand 114 states and 125 transitions. Second operand 8 states. [2018-10-27 00:34:11,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:34:11,099 INFO L93 Difference]: Finished difference Result 120 states and 131 transitions. [2018-10-27 00:34:11,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-27 00:34:11,110 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2018-10-27 00:34:11,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:34:11,110 INFO L225 Difference]: With dead ends: 120 [2018-10-27 00:34:11,111 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:34:11,111 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-10-27 00:34:11,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:34:11,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:34:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:34:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:34:11,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-10-27 00:34:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:34:11,112 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:34:11,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:34:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:34:11,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:34:11,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:34:11,292 INFO L425 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2018-10-27 00:34:11,292 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-27 00:34:11,292 INFO L425 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-10-27 00:34:11,292 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-10-27 00:34:11,292 INFO L425 ceAbstractionStarter]: For program point L149-2(line 149) no Hoare annotation was computed. [2018-10-27 00:34:11,293 INFO L425 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-10-27 00:34:11,293 INFO L425 ceAbstractionStarter]: For program point L147-2(line 147) no Hoare annotation was computed. [2018-10-27 00:34:11,293 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2018-10-27 00:34:11,293 INFO L425 ceAbstractionStarter]: For program point L147-3(line 147) no Hoare annotation was computed. [2018-10-27 00:34:11,293 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 144 153) the Hoare annotation is: true [2018-10-27 00:34:11,293 INFO L421 ceAbstractionStarter]: At program point L146-3(lines 146 150) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-10-27 00:34:11,293 INFO L425 ceAbstractionStarter]: For program point L146-4(lines 146 150) no Hoare annotation was computed. [2018-10-27 00:34:11,293 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 144 153) no Hoare annotation was computed. [2018-10-27 00:34:11,293 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 144 153) no Hoare annotation was computed. [2018-10-27 00:34:11,293 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:34:11,293 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:34:11,294 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:34:11,294 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2018-10-27 00:34:11,294 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2018-10-27 00:34:11,294 INFO L428 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 19 95) the Hoare annotation is: true [2018-10-27 00:34:11,294 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 19 95) no Hoare annotation was computed. [2018-10-27 00:34:11,294 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-10-27 00:34:11,294 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2018-10-27 00:34:11,294 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2018-10-27 00:34:11,294 INFO L428 ceAbstractionStarter]: At program point L39-3(lines 39 43) the Hoare annotation is: true [2018-10-27 00:34:11,294 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2018-10-27 00:34:11,294 INFO L425 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2018-10-27 00:34:11,294 INFO L428 ceAbstractionStarter]: At program point L23-3(lines 23 27) the Hoare annotation is: true [2018-10-27 00:34:11,294 INFO L425 ceAbstractionStarter]: For program point L23-4(lines 23 27) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L428 ceAbstractionStarter]: At program point L48-3(lines 48 52) the Hoare annotation is: true [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L48-4(lines 48 52) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L40-1(line 40) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L40-2(line 40) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L40-3(line 40) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-10-27 00:34:11,295 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L49-2(line 49) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L49-3(line 49) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 19 95) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-10-27 00:34:11,296 INFO L425 ceAbstractionStarter]: For program point L42-2(line 42) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-10-27 00:34:11,297 INFO L425 ceAbstractionStarter]: For program point L135-1(line 135) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L135-2(line 135) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L135-3(line 135) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L127-2(line 127) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L111-1(line 111) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L428 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 104 141) the Hoare annotation is: true [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 104 141) no Hoare annotation was computed. [2018-10-27 00:34:11,298 INFO L425 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2018-10-27 00:34:11,299 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 104 141) no Hoare annotation was computed. [2018-10-27 00:34:11,299 INFO L421 ceAbstractionStarter]: At program point L124-3(lines 124 128) the Hoare annotation is: (and (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (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|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 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|)) [2018-10-27 00:34:11,299 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2018-10-27 00:34:11,299 INFO L421 ceAbstractionStarter]: At program point L108-3(lines 108 112) the Hoare annotation is: (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x) [2018-10-27 00:34:11,299 INFO L425 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-10-27 00:34:11,299 INFO L425 ceAbstractionStarter]: For program point L108-4(lines 108 112) no Hoare annotation was computed. [2018-10-27 00:34:11,299 INFO L425 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-10-27 00:34:11,299 INFO L425 ceAbstractionStarter]: For program point L137-2(line 137) no Hoare annotation was computed. [2018-10-27 00:34:11,299 INFO L425 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2018-10-27 00:34:11,299 INFO L425 ceAbstractionStarter]: For program point L125-1(line 125) no Hoare annotation was computed. [2018-10-27 00:34:11,299 INFO L425 ceAbstractionStarter]: For program point L125-2(line 125) no Hoare annotation was computed. [2018-10-27 00:34:11,300 INFO L425 ceAbstractionStarter]: For program point L125-3(line 125) no Hoare annotation was computed. [2018-10-27 00:34:11,300 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-10-27 00:34:11,300 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2018-10-27 00:34:11,300 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-10-27 00:34:11,300 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-27 00:34:11,300 INFO L425 ceAbstractionStarter]: For program point L109-1(line 109) no Hoare annotation was computed. [2018-10-27 00:34:11,300 INFO L425 ceAbstractionStarter]: For program point L109-2(line 109) no Hoare annotation was computed. [2018-10-27 00:34:11,300 INFO L425 ceAbstractionStarter]: For program point L109-3(line 109) no Hoare annotation was computed. [2018-10-27 00:34:11,300 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-10-27 00:34:11,300 INFO L421 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (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|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) [2018-10-27 00:34:11,301 INFO L421 ceAbstractionStarter]: At program point L134-4(lines 134 138) the Hoare annotation is: (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (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|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) [2018-10-27 00:34:11,301 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:34:11,301 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 00:34:11,301 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:34:11,301 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:34:11,301 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 168) no Hoare annotation was computed. [2018-10-27 00:34:11,301 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 155 172) the Hoare annotation is: true [2018-10-27 00:34:11,301 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 155 172) no Hoare annotation was computed. [2018-10-27 00:34:11,301 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 155 172) no Hoare annotation was computed. [2018-10-27 00:34:11,301 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-10-27 00:34:11,302 INFO L421 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= (fp.add RNE .cse0 .cse0) main_~res~0))) [2018-10-27 00:34:11,302 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 167 170) no Hoare annotation was computed. [2018-10-27 00:34:11,302 INFO L421 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-10-27 00:34:11,302 INFO L425 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-10-27 00:34:11,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,316 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,316 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,316 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,316 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,316 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,317 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:34:11 BoogieIcfgContainer [2018-10-27 00:34:11,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:34:11,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:34:11,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:34:11,319 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:34:11,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:33:56" (3/4) ... [2018-10-27 00:34:11,323 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:34:11,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:34:11,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-10-27 00:34:11,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-10-27 00:34:11,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-10-27 00:34:11,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:34:11,333 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-10-27 00:34:11,334 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-10-27 00:34:11,334 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 00:34:11,334 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 00:34:11,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-27 00:34:11,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-27 00:34:11,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-10-27 00:34:11,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) [2018-10-27 00:34:11,390 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3fa8a34d-0a60-4785-b20c-2cca7e6348c6/bin-2019/uautomizer/witness.graphml [2018-10-27 00:34:11,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:34:11,392 INFO L168 Benchmark]: Toolchain (without parser) took 33521.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 954.6 MB in the beginning and 1.2 GB in the end (delta: -202.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:34:11,393 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:34:11,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.39 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:11,393 INFO L168 Benchmark]: Boogie Preprocessor took 55.63 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:11,393 INFO L168 Benchmark]: RCFGBuilder took 18587.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:11,394 INFO L168 Benchmark]: TraceAbstraction took 14430.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -74.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:34:11,394 INFO L168 Benchmark]: Witness Printer took 71.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:11,396 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.39 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.63 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 18587.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14430.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -74.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 71.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 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 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 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 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 168]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 134]: Loop Invariant [2018-10-27 00:34:11,405 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,405 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 124]: Loop Invariant [2018-10-27 00:34:11,407 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,407 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,407 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,407 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,407 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,408 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,408 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-27 00:34:11,408 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 118 locations, 1 error locations. SAFE Result, 14.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 10.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 571 SDtfs, 135 SDslu, 2954 SDs, 0 SdLazy, 437 SolverSat, 19 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 29 PreInvPairs, 39 NumberOfFragments, 101 HoareAnnotationTreeSize, 29 FomulaSimplifications, 19 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 211 ConstructedInterpolants, 22 QuantifiedInterpolants, 53097 SizeOfPredicates, 30 NumberOfNonLiveVariables, 674 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...