./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 411418f84906bedc11fcfc3b7bde3a728b9fa839 ............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 411418f84906bedc11fcfc3b7bde3a728b9fa839 ......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:13:27,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:13:27,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:13:27,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:13:27,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:13:27,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:13:27,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:13:27,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:13:27,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:13:27,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:13:27,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:13:27,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:13:27,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:13:27,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:13:27,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:13:27,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:13:27,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:13:27,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:13:27,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:13:27,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:13:27,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:13:27,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:13:27,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:13:27,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:13:27,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:13:27,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:13:27,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:13:27,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:13:27,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:13:27,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:13:27,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:13:27,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:13:27,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:13:27,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:13:27,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:13:27,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:13:27,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:13:27,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:13:27,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:13:27,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:13:27,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:13:27,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:13:27,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:13:27,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:13:27,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:13:27,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:13:27,199 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:13:27,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:13:27,200 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:13:27,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:13:27,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:13:27,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:13:27,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:13:27,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:13:27,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:13:27,202 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:13:27,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:13:27,203 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:13:27,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:13:27,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:13:27,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:13:27,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:13:27,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:13:27,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:13:27,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:13:27,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:13:27,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:13:27,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:13:27,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:13:27,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:13:27,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:13:27,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 411418f84906bedc11fcfc3b7bde3a728b9fa839 [2020-11-30 01:13:27,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:13:27,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:13:27,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:13:27,561 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:13:27,562 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:13:27,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2020-11-30 01:13:27,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/data/4ad206b0a/a138b6c7035d4f8abf9954529cb859b5/FLAGc6fb20ae1 [2020-11-30 01:13:28,228 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:13:28,229 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2020-11-30 01:13:28,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/data/4ad206b0a/a138b6c7035d4f8abf9954529cb859b5/FLAGc6fb20ae1 [2020-11-30 01:13:28,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/data/4ad206b0a/a138b6c7035d4f8abf9954529cb859b5 [2020-11-30 01:13:28,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:13:28,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:13:28,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:13:28,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:13:28,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:13:28,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:28,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470d40ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28, skipping insertion in model container [2020-11-30 01:13:28,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:28,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:13:28,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:13:28,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:13:28,867 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:13:28,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:13:28,932 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:13:28,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28 WrapperNode [2020-11-30 01:13:28,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:13:28,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:13:28,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:13:28,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:13:28,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:28,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:28,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:13:28,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:13:28,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:13:28,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:13:28,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:28,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:29,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:29,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:29,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:29,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:29,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (1/1) ... [2020-11-30 01:13:29,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:13:29,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:13:29,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:13:29,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:13:29,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/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 [2020-11-30 01:13:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:13:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:13:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 01:13:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:13:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 01:13:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:13:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:13:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:13:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:13:29,797 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:13:29,801 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-11-30 01:13:29,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:29 BoogieIcfgContainer [2020-11-30 01:13:29,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:13:29,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:13:29,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:13:29,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:13:29,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:13:28" (1/3) ... [2020-11-30 01:13:29,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115364b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:13:29, skipping insertion in model container [2020-11-30 01:13:29,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:28" (2/3) ... [2020-11-30 01:13:29,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115364b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:13:29, skipping insertion in model container [2020-11-30 01:13:29,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:29" (3/3) ... [2020-11-30 01:13:29,814 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b.c [2020-11-30 01:13:29,825 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:13:29,830 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:13:29,842 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:13:29,878 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:13:29,879 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:13:29,879 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:13:29,879 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:13:29,879 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:13:29,879 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:13:29,879 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:13:29,880 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:13:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-11-30 01:13:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:13:29,898 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:29,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:29,899 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:29,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:29,905 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2020-11-30 01:13:29,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:29,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132054283] [2020-11-30 01:13:29,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:30,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132054283] [2020-11-30 01:13:30,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:30,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:13:30,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514179075] [2020-11-30 01:13:30,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:13:30,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:30,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:13:30,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:13:30,101 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2020-11-30 01:13:30,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:30,153 INFO L93 Difference]: Finished difference Result 89 states and 147 transitions. [2020-11-30 01:13:30,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:13:30,154 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-30 01:13:30,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:30,176 INFO L225 Difference]: With dead ends: 89 [2020-11-30 01:13:30,180 INFO L226 Difference]: Without dead ends: 42 [2020-11-30 01:13:30,183 INFO L677 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 [2020-11-30 01:13:30,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-11-30 01:13:30,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-11-30 01:13:30,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-30 01:13:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-11-30 01:13:30,227 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2020-11-30 01:13:30,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:30,227 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-11-30 01:13:30,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:13:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-11-30 01:13:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 01:13:30,230 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:30,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:30,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:13:30,231 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:30,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:30,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2020-11-30 01:13:30,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:30,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311830502] [2020-11-30 01:13:30,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:13:30,409 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:13:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:13:30,533 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:13:30,578 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:13:30,579 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:13:30,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:13:30,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:13:30 BoogieIcfgContainer [2020-11-30 01:13:30,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:13:30,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:13:30,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:13:30,656 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:13:30,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:29" (3/4) ... [2020-11-30 01:13:30,659 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:13:30,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:13:30,662 INFO L168 Benchmark]: Toolchain (without parser) took 2085.52 ms. Allocated memory is still 107.0 MB. Free memory was 75.5 MB in the beginning and 66.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:30,663 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 52.2 MB in the beginning and 52.2 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:13:30,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.89 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 81.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:30,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.30 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 79.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:30,666 INFO L168 Benchmark]: Boogie Preprocessor took 42.08 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 76.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:30,668 INFO L168 Benchmark]: RCFGBuilder took 777.11 ms. Allocated memory is still 107.0 MB. Free memory was 76.9 MB in the beginning and 46.6 MB in the end (delta: 30.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:30,668 INFO L168 Benchmark]: TraceAbstraction took 847.11 ms. Allocated memory is still 107.0 MB. Free memory was 46.0 MB in the beginning and 67.2 MB in the end (delta: -21.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:13:30,671 INFO L168 Benchmark]: Witness Printer took 5.39 ms. Allocated memory is still 107.0 MB. Free memory was 67.2 MB in the beginning and 66.6 MB in the end (delta: 640.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:13:30,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 52.2 MB in the beginning and 52.2 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.89 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 81.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.30 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 79.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.08 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 76.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 777.11 ms. Allocated memory is still 107.0 MB. Free memory was 76.9 MB in the beginning and 46.6 MB in the end (delta: 30.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 847.11 ms. Allocated memory is still 107.0 MB. Free memory was 46.0 MB in the beginning and 67.2 MB in the end (delta: -21.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.39 ms. Allocated memory is still 107.0 MB. Free memory was 67.2 MB in the beginning and 66.6 MB in the end (delta: 640.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 29, overapproximation of someUnaryDOUBLEoperation at line 183, overapproximation of someBinaryArithmeticDOUBLEoperation at line 150, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; [L128-L131] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L133] static const double zero_log10 = 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L183] double x = -0.0; [L136] double y, z; [L137] __int32_t i, k, hx; [L138] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L141] ieee_double_shape_type ew_u; [L142] ew_u.value = (x) [L143] EXPR ew_u.parts.msw [L143] (hx) = ew_u.parts.msw [L144] EXPR ew_u.parts.lsw [L144] (lx) = ew_u.parts.lsw [L147] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L148] COND TRUE hx < 0x00100000 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L149] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L150] return -two54_log10 / zero_log10; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L184] double res = __ieee754_log10(x); [L21] __int32_t hx, lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L187] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_0960b.c", 3, "reach_error") VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 59 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=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: 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 0.2.0-a4ecdab [2020-11-30 01:13:33,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:13:33,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:13:33,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:13:33,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:13:33,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:13:33,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:13:33,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:13:33,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:13:33,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:13:33,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:13:33,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:13:33,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:13:33,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:13:33,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:13:33,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:13:33,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:13:33,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:13:33,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:13:33,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:13:33,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:13:33,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:13:33,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:13:33,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:13:33,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:13:33,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:13:33,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:13:33,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:13:33,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:13:33,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:13:33,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:13:33,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:13:33,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:13:33,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:13:33,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:13:33,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:13:33,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:13:33,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:13:33,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:13:33,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:13:33,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:13:33,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 01:13:33,418 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:13:33,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:13:33,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:13:33,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:13:33,422 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:13:33,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:13:33,423 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:13:33,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:13:33,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:13:33,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:13:33,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:13:33,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:13:33,425 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:13:33,425 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:13:33,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:13:33,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:13:33,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:13:33,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:13:33,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:13:33,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:13:33,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:13:33,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:13:33,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:13:33,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:13:33,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:13:33,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:13:33,428 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:13:33,428 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:13:33,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:13:33,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:13:33,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:13:33,429 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 411418f84906bedc11fcfc3b7bde3a728b9fa839 [2020-11-30 01:13:33,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:13:33,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:13:33,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:13:33,867 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:13:33,868 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:13:33,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2020-11-30 01:13:33,928 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/data/da7f817f2/5773abfbd09449d595b23ed265f06879/FLAG52edd05c0 [2020-11-30 01:13:34,538 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:13:34,539 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2020-11-30 01:13:34,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/data/da7f817f2/5773abfbd09449d595b23ed265f06879/FLAG52edd05c0 [2020-11-30 01:13:34,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/data/da7f817f2/5773abfbd09449d595b23ed265f06879 [2020-11-30 01:13:34,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:13:34,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:13:34,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:13:34,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:13:34,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:13:34,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:13:34" (1/1) ... [2020-11-30 01:13:34,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a3ee47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:34, skipping insertion in model container [2020-11-30 01:13:34,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:13:34" (1/1) ... [2020-11-30 01:13:34,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:13:34,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:13:35,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:13:35,261 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:13:35,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:13:35,347 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:13:35,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35 WrapperNode [2020-11-30 01:13:35,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:13:35,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:13:35,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:13:35,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:13:35,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (1/1) ... [2020-11-30 01:13:35,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (1/1) ... [2020-11-30 01:13:35,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:13:35,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:13:35,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:13:35,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:13:35,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (1/1) ... [2020-11-30 01:13:35,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (1/1) ... [2020-11-30 01:13:35,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (1/1) ... [2020-11-30 01:13:35,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (1/1) ... [2020-11-30 01:13:35,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (1/1) ... [2020-11-30 01:13:35,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (1/1) ... [2020-11-30 01:13:35,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (1/1) ... [2020-11-30 01:13:35,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:13:35,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:13:35,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:13:35,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:13:35,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/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 [2020-11-30 01:13:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 01:13:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-30 01:13:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:13:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:13:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:13:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:13:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:13:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:13:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:14:07,076 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:14:07,077 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-11-30 01:14:07,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:14:07 BoogieIcfgContainer [2020-11-30 01:14:07,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:14:07,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:14:07,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:14:07,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:14:07,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:13:34" (1/3) ... [2020-11-30 01:14:07,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0b88a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:14:07, skipping insertion in model container [2020-11-30 01:14:07,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:35" (2/3) ... [2020-11-30 01:14:07,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0b88a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:14:07, skipping insertion in model container [2020-11-30 01:14:07,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:14:07" (3/3) ... [2020-11-30 01:14:07,087 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b.c [2020-11-30 01:14:07,097 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:14:07,102 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:14:07,113 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:14:07,135 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:14:07,135 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:14:07,135 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:14:07,135 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:14:07,135 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:14:07,135 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:14:07,135 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:14:07,135 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:14:07,146 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-11-30 01:14:07,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:14:07,151 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:07,152 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:14:07,152 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:07,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:07,158 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2020-11-30 01:14:07,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:14:07,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998483035] [2020-11-30 01:14:07,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/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 [2020-11-30 01:14:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:08,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 01:14:08,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:14:08,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:08,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:14:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:08,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998483035] [2020-11-30 01:14:08,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:14:08,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:14:08,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21215310] [2020-11-30 01:14:08,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:14:08,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:14:08,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:14:08,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:14:08,518 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2020-11-30 01:14:08,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:14:08,547 INFO L93 Difference]: Finished difference Result 89 states and 147 transitions. [2020-11-30 01:14:08,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:14:08,548 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-30 01:14:08,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:14:08,562 INFO L225 Difference]: With dead ends: 89 [2020-11-30 01:14:08,563 INFO L226 Difference]: Without dead ends: 42 [2020-11-30 01:14:08,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:14:08,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-11-30 01:14:08,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-11-30 01:14:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-30 01:14:08,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-11-30 01:14:08,611 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2020-11-30 01:14:08,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:14:08,611 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-11-30 01:14:08,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:14:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-11-30 01:14:08,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 01:14:08,614 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:08,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:14:08,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:14:08,827 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:08,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:08,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2020-11-30 01:14:08,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:14:08,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758260477] [2020-11-30 01:14:08,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/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 [2020-11-30 01:14:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:14:10,134 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:14:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:14:11,358 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:14:11,507 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 01:14:11,507 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:14:11,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:14:11,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:14:11 BoogieIcfgContainer [2020-11-30 01:14:11,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:14:11,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:14:11,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:14:11,771 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:14:11,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:14:07" (3/4) ... [2020-11-30 01:14:11,774 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 01:14:11,857 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_24a842b8-ec12-4972-8684-1f4f25200a3a/bin/uautomizer/witness.graphml [2020-11-30 01:14:11,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:14:11,859 INFO L168 Benchmark]: Toolchain (without parser) took 36986.17 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.5 MB in the beginning and 32.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:11,860 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory is still 30.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:14:11,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.15 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.3 MB in the beginning and 45.7 MB in the end (delta: -22.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:11,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.82 ms. Allocated memory is still 62.9 MB. Free memory was 45.7 MB in the beginning and 43.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:11,861 INFO L168 Benchmark]: Boogie Preprocessor took 48.44 ms. Allocated memory is still 62.9 MB. Free memory was 43.2 MB in the beginning and 40.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:11,862 INFO L168 Benchmark]: RCFGBuilder took 31620.97 ms. Allocated memory is still 62.9 MB. Free memory was 40.7 MB in the beginning and 37.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:11,862 INFO L168 Benchmark]: TraceAbstraction took 4689.92 ms. Allocated memory is still 62.9 MB. Free memory was 36.7 MB in the beginning and 37.1 MB in the end (delta: -435.9 kB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:11,863 INFO L168 Benchmark]: Witness Printer took 86.81 ms. Allocated memory is still 62.9 MB. Free memory was 36.8 MB in the beginning and 32.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:11,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory is still 30.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.15 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.3 MB in the beginning and 45.7 MB in the end (delta: -22.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.82 ms. Allocated memory is still 62.9 MB. Free memory was 45.7 MB in the beginning and 43.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.44 ms. Allocated memory is still 62.9 MB. Free memory was 43.2 MB in the beginning and 40.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 31620.97 ms. Allocated memory is still 62.9 MB. Free memory was 40.7 MB in the beginning and 37.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4689.92 ms. Allocated memory is still 62.9 MB. Free memory was 36.7 MB in the beginning and 37.1 MB in the end (delta: -435.9 kB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Witness Printer took 86.81 ms. Allocated memory is still 62.9 MB. Free memory was 36.8 MB in the beginning and 32.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; [L128-L131] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L133] static const double zero_log10 = 0.0; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L183] double x = -0.0; [L136] double y, z; [L137] __int32_t i, k, hx; [L138] __uint32_t lx; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L141] ieee_double_shape_type ew_u; [L142] ew_u.value = (x) [L143] EXPR ew_u.parts.msw [L143] (hx) = ew_u.parts.msw [L144] EXPR ew_u.parts.lsw [L144] (lx) = ew_u.parts.lsw [L147] k = 0 VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L148] COND TRUE hx < 0x00100000 VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L149] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L150] return -two54_log10 / zero_log10; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L184] double res = __ieee754_log10(x); [L21] __int32_t hx, lx; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L187] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_0960b.c", 3, "reach_error") VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 59 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...