./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0981.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0981.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 66a7c6e3a9deb166a40d6b5205de6d7261b36e2d ............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0981.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 66a7c6e3a9deb166a40d6b5205de6d7261b36e2d ....................................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-10-24 23:15:35,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:15:35,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:15:35,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:15:35,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:15:35,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:15:35,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:15:35,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:15:35,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:15:35,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:15:35,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:15:35,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:15:35,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:15:35,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:15:35,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:15:35,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:15:35,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:15:35,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:15:35,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:15:35,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:15:35,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:15:35,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:15:35,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:15:35,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:15:35,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:15:35,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:15:35,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:15:35,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:15:35,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:15:35,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:15:35,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:15:35,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:15:35,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:15:35,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:15:35,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:15:35,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:15:35,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:15:35,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:15:35,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:15:35,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:15:35,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:15:35,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:15:35,405 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:15:35,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:15:35,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:15:35,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:15:35,410 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:15:35,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:15:35,410 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:15:35,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:15:35,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:15:35,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:15:35,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:15:35,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:15:35,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:15:35,413 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:15:35,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:15:35,414 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:15:35,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:15:35,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:15:35,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:15:35,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:15:35,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:15:35,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:15:35,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:15:35,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:15:35,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:15:35,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:15:35,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:15:35,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:15:35,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:15:35,417 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66a7c6e3a9deb166a40d6b5205de6d7261b36e2d [2020-10-24 23:15:35,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:15:35,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:15:35,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:15:35,908 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:15:35,909 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:15:35,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2020-10-24 23:15:35,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f144aebf/43f23e38c74246cdaadfcbd94f3aa1e1/FLAGcb1cc8fa9 [2020-10-24 23:15:36,657 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:15:36,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2020-10-24 23:15:36,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f144aebf/43f23e38c74246cdaadfcbd94f3aa1e1/FLAGcb1cc8fa9 [2020-10-24 23:15:37,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f144aebf/43f23e38c74246cdaadfcbd94f3aa1e1 [2020-10-24 23:15:37,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:15:37,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:15:37,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:37,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:15:37,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:15:37,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f74f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37, skipping insertion in model container [2020-10-24 23:15:37,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:15:37,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:15:37,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:37,317 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:15:37,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:37,473 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:15:37,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37 WrapperNode [2020-10-24 23:15:37,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:37,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:37,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:15:37,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:15:37,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:37,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:15:37,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:15:37,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:15:37,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (1/1) ... [2020-10-24 23:15:37,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:15:37,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:15:37,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:15:37,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:15:37,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:15:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:15:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:15:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:15:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:15:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:15:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:15:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:15:38,361 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:15:38,361 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-24 23:15:38,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:38 BoogieIcfgContainer [2020-10-24 23:15:38,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:15:38,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:15:38,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:15:38,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:15:38,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:15:37" (1/3) ... [2020-10-24 23:15:38,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d195c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:38, skipping insertion in model container [2020-10-24 23:15:38,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:37" (2/3) ... [2020-10-24 23:15:38,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d195c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:38, skipping insertion in model container [2020-10-24 23:15:38,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:38" (3/3) ... [2020-10-24 23:15:38,372 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2020-10-24 23:15:38,384 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:15:38,390 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:15:38,403 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:15:38,431 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:15:38,431 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:15:38,431 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:15:38,431 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:15:38,431 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:15:38,432 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:15:38,432 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:15:38,432 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:15:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-10-24 23:15:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:15:38,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:38,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:38,454 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:38,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:38,460 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2020-10-24 23:15:38,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:15:38,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494697432] [2020-10-24 23:15:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:15:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:15:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:15:38,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494697432] [2020-10-24 23:15:38,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:15:38,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:15:38,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962484858] [2020-10-24 23:15:38,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:15:38,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:15:38,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:15:38,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:15:38,675 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2020-10-24 23:15:38,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:15:38,699 INFO L93 Difference]: Finished difference Result 89 states and 147 transitions. [2020-10-24 23:15:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:15:38,701 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-24 23:15:38,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:15:38,720 INFO L225 Difference]: With dead ends: 89 [2020-10-24 23:15:38,720 INFO L226 Difference]: Without dead ends: 42 [2020-10-24 23:15:38,724 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 [2020-10-24 23:15:38,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-24 23:15:38,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-24 23:15:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-24 23:15:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-10-24 23:15:38,766 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2020-10-24 23:15:38,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:15:38,767 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-10-24 23:15:38,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:15:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-10-24 23:15:38,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 23:15:38,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:38,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:38,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:15:38,769 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:38,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:38,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2020-10-24 23:15:38,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:15:38,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685789830] [2020-10-24 23:15:38,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:15:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:15:38,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:15:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:15:38,991 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:15:39,027 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:15:39,028 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:15:39,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:15:39,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:15:39 BoogieIcfgContainer [2020-10-24 23:15:39,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:15:39,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:15:39,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:15:39,094 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:15:39,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:38" (3/4) ... [2020-10-24 23:15:39,102 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:15:39,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:15:39,105 INFO L168 Benchmark]: Toolchain (without parser) took 2094.57 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.7 MB in the beginning and 23.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:39,108 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:15:39,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.87 ms. Allocated memory is still 48.2 MB. Free memory was 24.0 MB in the beginning and 22.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:39,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.99 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.0 MB in the beginning and 41.5 MB in the end (delta: -19.5 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:39,121 INFO L168 Benchmark]: Boogie Preprocessor took 51.55 ms. Allocated memory is still 58.7 MB. Free memory was 41.5 MB in the beginning and 39.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:39,122 INFO L168 Benchmark]: RCFGBuilder took 739.08 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 38.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:39,123 INFO L168 Benchmark]: TraceAbstraction took 727.69 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 23.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:39,123 INFO L168 Benchmark]: Witness Printer took 9.01 ms. Allocated memory is still 58.7 MB. Free memory was 23.4 MB in the beginning and 23.2 MB in the end (delta: 249.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:15:39,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 459.87 ms. Allocated memory is still 48.2 MB. Free memory was 24.0 MB in the beginning and 22.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.99 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.0 MB in the beginning and 41.5 MB in the end (delta: -19.5 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.55 ms. Allocated memory is still 58.7 MB. Free memory was 41.5 MB in the beginning and 39.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 739.08 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 38.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 727.69 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 23.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Witness Printer took 9.01 ms. Allocated memory is still 58.7 MB. Free memory was 23.4 MB in the beginning and 23.2 MB in the end (delta: 249.8 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 170, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133, overapproximation of bitwiseAnd at line 169. Possible FailurePath: [L17-L26] 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; [L28] static const double zero = 0.0; [L111-L114] 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; [L116] 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 = 1.0 / 0.0; [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __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] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] 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] [L131] 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] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] 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); [L162] __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] [L164] ieee_double_shape_type ew_u; [L165] ew_u.value = (x) [L166] EXPR ew_u.parts.msw [L166] (hx) = ew_u.parts.msw [L167] EXPR ew_u.parts.lsw [L167] (lx) = ew_u.parts.lsw [L169] hx &= 0x7fffffff [L170] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L171] hx = 0x7ff00000 - hx [L172] 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_0981.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: 0.6s, 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, 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 [2020-10-24 23:15:41,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:15:41,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:15:41,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:15:41,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:15:41,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:15:41,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:15:41,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:15:41,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:15:41,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:15:41,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:15:41,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:15:41,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:15:41,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:15:41,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:15:41,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:15:41,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:15:41,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:15:41,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:15:41,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:15:41,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:15:41,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:15:41,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:15:41,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:15:41,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:15:41,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:15:41,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:15:41,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:15:41,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:15:41,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:15:41,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:15:41,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:15:41,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:15:41,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:15:41,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:15:41,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:15:41,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:15:41,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:15:41,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:15:41,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:15:41,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:15:41,993 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:15:42,020 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:15:42,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:15:42,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:15:42,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:15:42,022 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:15:42,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:15:42,023 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:15:42,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:15:42,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:15:42,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:15:42,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:15:42,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:15:42,024 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:15:42,024 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:15:42,024 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:15:42,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:15:42,024 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:15:42,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:15:42,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:15:42,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:15:42,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:15:42,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:15:42,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:15:42,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:15:42,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:15:42,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:15:42,026 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:15:42,027 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:15:42,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:15:42,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:15:42,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:15:42,027 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66a7c6e3a9deb166a40d6b5205de6d7261b36e2d [2020-10-24 23:15:42,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:15:42,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:15:42,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:15:42,534 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:15:42,535 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:15:42,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2020-10-24 23:15:42,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b11cb959/64730097396142928ef904e47b6c0174/FLAG01592f354 [2020-10-24 23:15:43,335 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:15:43,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2020-10-24 23:15:43,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b11cb959/64730097396142928ef904e47b6c0174/FLAG01592f354 [2020-10-24 23:15:43,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b11cb959/64730097396142928ef904e47b6c0174 [2020-10-24 23:15:43,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:15:43,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:15:43,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:43,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:15:43,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:15:43,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:43" (1/1) ... [2020-10-24 23:15:43,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b78b123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:43, skipping insertion in model container [2020-10-24 23:15:43,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:43" (1/1) ... [2020-10-24 23:15:43,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:15:43,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:15:44,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:44,034 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:15:44,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:44,150 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:15:44,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44 WrapperNode [2020-10-24 23:15:44,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:44,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:44,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:15:44,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:15:44,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:44,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:15:44,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:15:44,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:15:44,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:15:44,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:15:44,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:15:44,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:15:44,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:15:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:15:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:15:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:15:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:15:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:15:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:15:44,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:15:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:15:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:16:15,581 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:16:15,581 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-24 23:16:15,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:15 BoogieIcfgContainer [2020-10-24 23:16:15,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:16:15,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:16:15,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:16:15,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:16:15,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:15:43" (1/3) ... [2020-10-24 23:16:15,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e169b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:15, skipping insertion in model container [2020-10-24 23:16:15,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (2/3) ... [2020-10-24 23:16:15,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e169b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:15, skipping insertion in model container [2020-10-24 23:16:15,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:15" (3/3) ... [2020-10-24 23:16:15,597 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2020-10-24 23:16:15,610 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:16:15,616 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:16:15,630 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:16:15,656 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:16:15,656 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:16:15,656 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:16:15,656 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:16:15,656 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:16:15,656 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:16:15,657 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:16:15,661 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:16:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-10-24 23:16:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:16:15,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:15,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:15,682 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:15,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:15,689 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2020-10-24 23:16:15,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:16:15,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022904613] [2020-10-24 23:16:15,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:16:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:16,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:16:16,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:16:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:16,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:16:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:16,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022904613] [2020-10-24 23:16:16,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:16:16,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:16:16,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34203255] [2020-10-24 23:16:16,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:16:16,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:16:16,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:16:16,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:16:16,824 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2020-10-24 23:16:16,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:16:16,863 INFO L93 Difference]: Finished difference Result 89 states and 147 transitions. [2020-10-24 23:16:16,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:16:16,865 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-24 23:16:16,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:16:16,883 INFO L225 Difference]: With dead ends: 89 [2020-10-24 23:16:16,884 INFO L226 Difference]: Without dead ends: 42 [2020-10-24 23:16:16,888 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 [2020-10-24 23:16:16,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-24 23:16:16,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-24 23:16:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-24 23:16:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-10-24 23:16:16,938 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2020-10-24 23:16:16,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:16:16,939 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-10-24 23:16:16,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:16:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-10-24 23:16:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 23:16:16,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:16,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:17,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:16:17,142 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:17,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:17,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2020-10-24 23:16:17,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:16:17,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620091285] [2020-10-24 23:16:17,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:16:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:18,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-24 23:16:18,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:16:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:18,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:16:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:18,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620091285] [2020-10-24 23:16:18,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:16:18,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 23:16:18,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948635411] [2020-10-24 23:16:18,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 23:16:18,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:16:18,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 23:16:18,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-24 23:16:18,516 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 6 states. [2020-10-24 23:16:18,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:16:18,747 INFO L93 Difference]: Finished difference Result 51 states and 65 transitions. [2020-10-24 23:16:18,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 23:16:18,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-24 23:16:18,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:16:18,758 INFO L225 Difference]: With dead ends: 51 [2020-10-24 23:16:18,759 INFO L226 Difference]: Without dead ends: 15 [2020-10-24 23:16:18,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-24 23:16:18,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-24 23:16:18,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-24 23:16:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-24 23:16:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-10-24 23:16:18,765 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 14 [2020-10-24 23:16:18,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:16:18,765 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-10-24 23:16:18,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 23:16:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-10-24 23:16:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 23:16:18,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:18,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:18,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:16:18,968 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:18,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:18,971 INFO L82 PathProgramCache]: Analyzing trace with hash 2124356858, now seen corresponding path program 1 times [2020-10-24 23:16:18,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:16:18,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195253400] [2020-10-24 23:16:18,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:16:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:16:19,307 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:16:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:16:19,561 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:16:19,655 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:16:19,655 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:16:19,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:16:19,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:16:19 BoogieIcfgContainer [2020-10-24 23:16:19,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:16:19,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:16:19,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:16:19,964 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:16:19,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:15" (3/4) ... [2020-10-24 23:16:19,968 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:16:20,081 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:16:20,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:16:20,084 INFO L168 Benchmark]: Toolchain (without parser) took 36396.09 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 32.2 MB in the end (delta: -8.9 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:20,085 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 46.1 MB. Free memory was 31.4 MB in the beginning and 31.3 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:16:20,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.25 ms. Allocated memory is still 46.1 MB. Free memory was 22.7 MB in the beginning and 19.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:20,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.93 ms. Allocated memory is still 46.1 MB. Free memory was 19.6 MB in the beginning and 28.5 MB in the end (delta: -8.9 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:20,088 INFO L168 Benchmark]: Boogie Preprocessor took 62.07 ms. Allocated memory is still 46.1 MB. Free memory was 28.5 MB in the beginning and 26.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:20,089 INFO L168 Benchmark]: RCFGBuilder took 31282.57 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 26.2 MB in the beginning and 28.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:20,090 INFO L168 Benchmark]: TraceAbstraction took 4374.01 ms. Allocated memory is still 56.6 MB. Free memory was 27.7 MB in the beginning and 36.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:20,090 INFO L168 Benchmark]: Witness Printer took 118.59 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 32.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:20,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 46.1 MB. Free memory was 31.4 MB in the beginning and 31.3 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 457.25 ms. Allocated memory is still 46.1 MB. Free memory was 22.7 MB in the beginning and 19.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.93 ms. Allocated memory is still 46.1 MB. Free memory was 19.6 MB in the beginning and 28.5 MB in the end (delta: -8.9 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.07 ms. Allocated memory is still 46.1 MB. Free memory was 28.5 MB in the beginning and 26.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 31282.57 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 26.2 MB in the beginning and 28.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4374.01 ms. Allocated memory is still 56.6 MB. Free memory was 27.7 MB in the beginning and 36.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Witness Printer took 118.59 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 32.2 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: [L17-L26] 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; [L28] static const double zero = 0.0; [L111-L114] 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; [L116] 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 = 1.0 / 0.0; [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __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] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] 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] [L131] COND FALSE !(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] [L144] COND TRUE hx >= 0x7ff00000 [L145] return x + x; 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); [L162] __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] [L164] ieee_double_shape_type ew_u; [L165] ew_u.value = (x) [L166] EXPR ew_u.parts.msw [L166] (hx) = ew_u.parts.msw [L167] EXPR ew_u.parts.lsw [L167] (lx) = ew_u.parts.lsw [L169] hx &= 0x7fffffff [L170] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L171] hx = 0x7ff00000 - hx [L172] 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_0981.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: 4.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 70 SDtfs, 21 SDslu, 4 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 5 QuantifiedInterpolants, 1750 SizeOfPredicates, 7 NumberOfNonLiveVariables, 136 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...