./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 54858612 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 0.2.0-5485861 [2020-10-25 21:52:36,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:52:36,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:52:36,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:52:36,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:52:36,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:52:36,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:52:36,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:52:36,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:52:36,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:52:36,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:52:36,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:52:36,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:52:36,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:52:36,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:52:36,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:52:36,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:52:36,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:52:36,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:52:36,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:52:36,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:52:36,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:52:36,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:52:36,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:52:36,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:52:36,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:52:36,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:52:36,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:52:36,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:52:36,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:52:36,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:52:36,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:52:36,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:52:36,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:52:36,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:52:36,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:52:36,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:52:36,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:52:36,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:52:36,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:52:36,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:52:36,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:52:36,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:52:36,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:52:36,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:52:36,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:52:36,427 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:52:36,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:52:36,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:52:36,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:52:36,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:52:36,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:52:36,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:52:36,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:52:36,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:52:36,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:52:36,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:52:36,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:52:36,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:52:36,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:52:36,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:52:36,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:52:36,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:52:36,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:52:36,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:52:36,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:52:36,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:52:36,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:52:36,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:52:36,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:52:36,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:52:36,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66a7c6e3a9deb166a40d6b5205de6d7261b36e2d [2020-10-25 21:52:36,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:52:36,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:52:36,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:52:36,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:52:36,932 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:52:36,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2020-10-25 21:52:37,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3298a5981/a6da8b5f75f64e3a931425b46c0fc4aa/FLAGdef5a3539 [2020-10-25 21:52:37,745 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:52:37,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2020-10-25 21:52:37,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3298a5981/a6da8b5f75f64e3a931425b46c0fc4aa/FLAGdef5a3539 [2020-10-25 21:52:38,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3298a5981/a6da8b5f75f64e3a931425b46c0fc4aa [2020-10-25 21:52:38,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:52:38,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:52:38,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:52:38,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:52:38,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:52:38,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4c6329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38, skipping insertion in model container [2020-10-25 21:52:38,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:52:38,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:52:38,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:52:38,439 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:52:38,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:52:38,562 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:52:38,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38 WrapperNode [2020-10-25 21:52:38,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:52:38,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:52:38,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:52:38,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:52:38,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:52:38,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:52:38,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:52:38,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:52:38,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (1/1) ... [2020-10-25 21:52:38,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:52:38,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:52:38,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:52:38,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:52:38,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (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 [2020-10-25 21:52:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:52:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:52:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:52:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:52:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:52:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:52:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:52:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:52:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:52:39,641 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:52:39,642 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-25 21:52:39,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:52:39 BoogieIcfgContainer [2020-10-25 21:52:39,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:52:39,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:52:39,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:52:39,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:52:39,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:52:38" (1/3) ... [2020-10-25 21:52:39,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499a25ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:52:39, skipping insertion in model container [2020-10-25 21:52:39,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:38" (2/3) ... [2020-10-25 21:52:39,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499a25ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:52:39, skipping insertion in model container [2020-10-25 21:52:39,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:52:39" (3/3) ... [2020-10-25 21:52:39,654 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2020-10-25 21:52:39,668 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:52:39,674 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:52:39,691 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:52:39,721 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:52:39,721 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:52:39,721 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:52:39,721 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:52:39,722 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:52:39,722 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:52:39,722 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:52:39,722 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:52:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-10-25 21:52:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 21:52:39,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:52:39,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:52:39,748 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:52:39,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:52:39,755 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2020-10-25 21:52:39,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:52:39,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118414702] [2020-10-25 21:52:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:52:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:52:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:52:39,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118414702] [2020-10-25 21:52:39,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:52:39,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:52:39,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803691775] [2020-10-25 21:52:39,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:52:39,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:52:39,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:52:39,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:52:39,959 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2020-10-25 21:52:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:52:39,986 INFO L93 Difference]: Finished difference Result 89 states and 147 transitions. [2020-10-25 21:52:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:52:39,988 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-25 21:52:39,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:52:40,002 INFO L225 Difference]: With dead ends: 89 [2020-10-25 21:52:40,002 INFO L226 Difference]: Without dead ends: 42 [2020-10-25 21:52:40,006 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 [2020-10-25 21:52:40,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-25 21:52:40,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-25 21:52:40,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-25 21:52:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-10-25 21:52:40,050 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2020-10-25 21:52:40,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:52:40,051 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-10-25 21:52:40,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:52:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-10-25 21:52:40,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 21:52:40,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:52:40,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:52:40,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:52:40,054 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:52:40,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:52:40,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2020-10-25 21:52:40,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:52:40,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194111273] [2020-10-25 21:52:40,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:52:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:52:40,184 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:52:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:52:40,350 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:52:40,399 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:52:40,400 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:52:40,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:52:40,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:52:40 BoogieIcfgContainer [2020-10-25 21:52:40,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:52:40,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:52:40,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:52:40,464 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:52:40,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:52:39" (3/4) ... [2020-10-25 21:52:40,468 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:52:40,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:52:40,472 INFO L168 Benchmark]: Toolchain (without parser) took 2372.98 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.5 MB in the beginning and 30.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:40,473 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 37.7 MB. Free memory was 20.0 MB in the beginning and 20.0 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:52:40,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.72 ms. Allocated memory is still 46.1 MB. Free memory was 22.9 MB in the beginning and 20.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:40,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.28 ms. Allocated memory is still 46.1 MB. Free memory was 20.8 MB in the beginning and 30.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:40,476 INFO L168 Benchmark]: Boogie Preprocessor took 72.54 ms. Allocated memory is still 46.1 MB. Free memory was 29.8 MB in the beginning and 27.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:40,477 INFO L168 Benchmark]: RCFGBuilder took 908.17 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.7 MB in the beginning and 29.3 MB in the end (delta: -1.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:52:40,478 INFO L168 Benchmark]: TraceAbstraction took 816.47 ms. Allocated memory is still 56.6 MB. Free memory was 29.1 MB in the beginning and 30.5 MB in the end (delta: -1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:52:40,479 INFO L168 Benchmark]: Witness Printer took 5.84 ms. Allocated memory is still 56.6 MB. Free memory is still 30.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:52:40,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 37.7 MB. Free memory was 20.0 MB in the beginning and 20.0 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 459.72 ms. Allocated memory is still 46.1 MB. Free memory was 22.9 MB in the beginning and 20.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.28 ms. Allocated memory is still 46.1 MB. Free memory was 20.8 MB in the beginning and 30.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.54 ms. Allocated memory is still 46.1 MB. Free memory was 29.8 MB in the beginning and 27.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 908.17 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.7 MB in the beginning and 29.3 MB in the end (delta: -1.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 816.47 ms. Allocated memory is still 56.6 MB. Free memory was 29.1 MB in the beginning and 30.5 MB in the end (delta: -1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.84 ms. Allocated memory is still 56.6 MB. Free memory is still 30.1 MB. 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 0.2.0-5485861 [2020-10-25 21:52:43,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:52:43,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:52:43,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:52:43,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:52:43,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:52:43,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:52:43,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:52:43,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:52:43,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:52:43,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:52:43,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:52:43,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:52:43,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:52:43,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:52:43,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:52:43,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:52:43,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:52:43,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:52:43,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:52:43,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:52:43,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:52:43,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:52:43,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:52:43,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:52:43,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:52:43,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:52:43,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:52:43,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:52:43,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:52:43,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:52:43,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:52:43,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:52:43,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:52:43,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:52:43,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:52:43,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:52:43,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:52:43,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:52:43,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:52:43,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:52:43,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:52:43,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:52:43,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:52:43,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:52:43,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:52:43,359 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:52:43,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:52:43,360 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:52:43,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:52:43,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:52:43,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:52:43,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:52:43,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:52:43,362 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:52:43,363 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:52:43,363 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:52:43,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:52:43,364 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:52:43,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:52:43,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:52:43,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:52:43,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:52:43,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:52:43,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:52:43,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:52:43,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:52:43,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:52:43,367 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:52:43,367 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:52:43,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:52:43,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:52:43,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:52:43,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66a7c6e3a9deb166a40d6b5205de6d7261b36e2d [2020-10-25 21:52:43,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:52:43,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:52:43,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:52:43,835 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:52:43,836 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:52:43,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2020-10-25 21:52:43,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58f0c9fe/e44f937fc71349e5a356100090e5bdfa/FLAG988c7cedb [2020-10-25 21:52:44,640 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:52:44,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2020-10-25 21:52:44,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58f0c9fe/e44f937fc71349e5a356100090e5bdfa/FLAG988c7cedb [2020-10-25 21:52:44,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58f0c9fe/e44f937fc71349e5a356100090e5bdfa [2020-10-25 21:52:44,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:52:44,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:52:44,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:52:44,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:52:44,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:52:44,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:52:44" (1/1) ... [2020-10-25 21:52:44,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b0d76e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:44, skipping insertion in model container [2020-10-25 21:52:45,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:52:44" (1/1) ... [2020-10-25 21:52:45,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:52:45,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:52:45,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:52:45,328 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:52:45,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:52:45,448 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:52:45,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45 WrapperNode [2020-10-25 21:52:45,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:52:45,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:52:45,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:52:45,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:52:45,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (1/1) ... [2020-10-25 21:52:45,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (1/1) ... [2020-10-25 21:52:45,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:52:45,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:52:45,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:52:45,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:52:45,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (1/1) ... [2020-10-25 21:52:45,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (1/1) ... [2020-10-25 21:52:45,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (1/1) ... [2020-10-25 21:52:45,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (1/1) ... [2020-10-25 21:52:45,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (1/1) ... [2020-10-25 21:52:45,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (1/1) ... [2020-10-25 21:52:45,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (1/1) ... [2020-10-25 21:52:45,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:52:45,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:52:45,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:52:45,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:52:45,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (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 [2020-10-25 21:52:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:52:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:52:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:52:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:52:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:52:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:52:45,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:52:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:52:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:53:18,284 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:53:18,285 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-25 21:53:18,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:18 BoogieIcfgContainer [2020-10-25 21:53:18,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:53:18,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:53:18,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:53:18,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:53:18,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:52:44" (1/3) ... [2020-10-25 21:53:18,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e1a3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:53:18, skipping insertion in model container [2020-10-25 21:53:18,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:52:45" (2/3) ... [2020-10-25 21:53:18,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e1a3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:53:18, skipping insertion in model container [2020-10-25 21:53:18,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:18" (3/3) ... [2020-10-25 21:53:18,297 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2020-10-25 21:53:18,310 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:53:18,317 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:53:18,332 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:53:18,362 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:53:18,362 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:53:18,363 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:53:18,363 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:53:18,363 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:53:18,363 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:53:18,364 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:53:18,364 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:53:18,380 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-10-25 21:53:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 21:53:18,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:18,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:18,389 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:18,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:18,396 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2020-10-25 21:53:18,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:18,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092505251] [2020-10-25 21:53:18,411 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 [2020-10-25 21:53:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:19,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:53:19,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:53:19,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:19,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:53:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:19,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092505251] [2020-10-25 21:53:19,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:19,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:53:19,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234582994] [2020-10-25 21:53:19,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:53:19,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:53:19,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:53:19,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:53:19,510 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2020-10-25 21:53:19,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:19,534 INFO L93 Difference]: Finished difference Result 89 states and 147 transitions. [2020-10-25 21:53:19,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:53:19,536 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-25 21:53:19,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:19,547 INFO L225 Difference]: With dead ends: 89 [2020-10-25 21:53:19,547 INFO L226 Difference]: Without dead ends: 42 [2020-10-25 21:53:19,551 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 [2020-10-25 21:53:19,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-25 21:53:19,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-25 21:53:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-25 21:53:19,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-10-25 21:53:19,593 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2020-10-25 21:53:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:19,600 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-10-25 21:53:19,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:53:19,600 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-10-25 21:53:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 21:53:19,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:19,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:19,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:53:19,803 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:19,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:19,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2020-10-25 21:53:19,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:19,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568935978] [2020-10-25 21:53:19,808 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 [2020-10-25 21:53:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:20,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-25 21:53:20,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:53:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:21,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:53:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:21,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568935978] [2020-10-25 21:53:21,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:21,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-25 21:53:21,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345046607] [2020-10-25 21:53:21,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 21:53:21,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:53:21,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 21:53:21,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 21:53:21,148 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 6 states. [2020-10-25 21:53:21,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:21,400 INFO L93 Difference]: Finished difference Result 51 states and 65 transitions. [2020-10-25 21:53:21,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 21:53:21,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-25 21:53:21,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:21,412 INFO L225 Difference]: With dead ends: 51 [2020-10-25 21:53:21,420 INFO L226 Difference]: Without dead ends: 15 [2020-10-25 21:53:21,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 21:53:21,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-25 21:53:21,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-25 21:53:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-25 21:53:21,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-10-25 21:53:21,427 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 14 [2020-10-25 21:53:21,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:21,428 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-10-25 21:53:21,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 21:53:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-10-25 21:53:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 21:53:21,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:21,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:21,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:53:21,641 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:21,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:21,643 INFO L82 PathProgramCache]: Analyzing trace with hash 2124356858, now seen corresponding path program 1 times [2020-10-25 21:53:21,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:21,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020615984] [2020-10-25 21:53:21,645 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 [2020-10-25 21:53:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:53:22,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:53:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:53:22,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:53:22,437 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-25 21:53:22,438 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:53:22,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-25 21:53:22,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:53:22 BoogieIcfgContainer [2020-10-25 21:53:22,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:53:22,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:53:22,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:53:22,710 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:53:22,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:18" (3/4) ... [2020-10-25 21:53:22,713 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 21:53:22,813 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 21:53:22,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:53:22,816 INFO L168 Benchmark]: Toolchain (without parser) took 37864.97 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.5 MB in the beginning and 17.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:22,817 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 41.9 MB. Free memory was 22.6 MB in the beginning and 22.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:53:22,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.74 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 27.8 MB in the beginning and 33.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:22,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.12 ms. Allocated memory is still 50.3 MB. Free memory was 33.1 MB in the beginning and 30.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:22,819 INFO L168 Benchmark]: Boogie Preprocessor took 90.62 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 28.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:22,820 INFO L168 Benchmark]: RCFGBuilder took 32635.86 ms. Allocated memory is still 50.3 MB. Free memory was 28.2 MB in the beginning and 30.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:22,820 INFO L168 Benchmark]: TraceAbstraction took 4419.92 ms. Allocated memory is still 50.3 MB. Free memory was 30.0 MB in the beginning and 21.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:22,821 INFO L168 Benchmark]: Witness Printer took 104.35 ms. Allocated memory is still 50.3 MB. Free memory was 21.6 MB in the beginning and 17.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:22,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 41.9 MB. Free memory was 22.6 MB in the beginning and 22.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 468.74 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 27.8 MB in the beginning and 33.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.12 ms. Allocated memory is still 50.3 MB. Free memory was 33.1 MB in the beginning and 30.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.62 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 28.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 32635.86 ms. Allocated memory is still 50.3 MB. Free memory was 28.2 MB in the beginning and 30.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4419.92 ms. Allocated memory is still 50.3 MB. Free memory was 30.0 MB in the beginning and 21.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Witness Printer took 104.35 ms. Allocated memory is still 50.3 MB. Free memory was 21.6 MB in the beginning and 17.4 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, 0.2s 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, 2.1s 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...