./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 ........................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:05:40,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:40,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:40,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:40,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:40,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:40,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:40,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:40,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:40,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:40,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:40,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:40,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:40,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:40,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:40,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:40,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:40,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:40,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:40,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:40,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:40,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:40,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:40,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:40,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:40,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:40,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:40,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:40,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:40,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:40,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:40,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:40,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:40,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:40,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:40,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:40,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:40,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:40,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:40,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:40,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:40,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:05:40,998 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:40,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:41,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:41,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:41,003 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:41,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:41,003 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:41,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:05:41,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:41,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:41,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:41,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:41,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:41,007 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:41,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:41,007 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:41,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:41,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:41,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:41,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:41,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:41,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:41,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:41,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:41,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:41,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:05:41,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:05:41,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:41,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:41,012 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 [2020-10-24 15:05:41,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:41,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:41,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:41,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:41,543 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:41,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-10-24 15:05:41,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a40268e9/a0a8adef9ca54e9eb7d349f7496b4898/FLAG66e59adf7 [2020-10-24 15:05:42,300 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:42,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-10-24 15:05:42,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a40268e9/a0a8adef9ca54e9eb7d349f7496b4898/FLAG66e59adf7 [2020-10-24 15:05:42,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a40268e9/a0a8adef9ca54e9eb7d349f7496b4898 [2020-10-24 15:05:42,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:42,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:42,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:42,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:42,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:42,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:42" (1/1) ... [2020-10-24 15:05:42,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba6bd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:42, skipping insertion in model container [2020-10-24 15:05:42,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:42" (1/1) ... [2020-10-24 15:05:42,710 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:42,762 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:43,030 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:43,042 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:43,112 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:43,150 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:43,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43 WrapperNode [2020-10-24 15:05:43,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:43,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:43,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:43,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:43,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (1/1) ... [2020-10-24 15:05:43,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (1/1) ... [2020-10-24 15:05:43,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:43,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:05:43,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:05:43,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:05:43,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (1/1) ... [2020-10-24 15:05:43,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (1/1) ... [2020-10-24 15:05:43,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (1/1) ... [2020-10-24 15:05:43,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (1/1) ... [2020-10-24 15:05:43,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (1/1) ... [2020-10-24 15:05:43,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (1/1) ... [2020-10-24 15:05:43,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (1/1) ... [2020-10-24 15:05:43,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:05:43,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:05:43,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:05:43,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:05:43,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:05:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:05:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:05:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:05:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:05:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:05:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:05:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 15:05:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:05:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:05:44,354 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:05:44,354 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-24 15:05:44,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:44 BoogieIcfgContainer [2020-10-24 15:05:44,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:05:44,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:05:44,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:05:44,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:05:44,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:05:42" (1/3) ... [2020-10-24 15:05:44,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f52db85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:44, skipping insertion in model container [2020-10-24 15:05:44,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:43" (2/3) ... [2020-10-24 15:05:44,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f52db85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:44, skipping insertion in model container [2020-10-24 15:05:44,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:44" (3/3) ... [2020-10-24 15:05:44,369 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211b.c [2020-10-24 15:05:44,383 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:05:44,389 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:05:44,406 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:05:44,453 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:05:44,454 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:05:44,454 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:05:44,454 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:05:44,454 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:05:44,454 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:05:44,455 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:05:44,455 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:05:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-10-24 15:05:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-24 15:05:44,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:44,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:44,480 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:44,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:44,487 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2020-10-24 15:05:44,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:44,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710998170] [2020-10-24 15:05:44,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:05:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:05:44,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710998170] [2020-10-24 15:05:44,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:05:44,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:05:44,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053477102] [2020-10-24 15:05:44,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:05:44,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:05:44,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:05:44,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:05:44,690 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2020-10-24 15:05:44,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:05:44,714 INFO L93 Difference]: Finished difference Result 103 states and 165 transitions. [2020-10-24 15:05:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:05:44,715 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-24 15:05:44,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:05:44,726 INFO L225 Difference]: With dead ends: 103 [2020-10-24 15:05:44,726 INFO L226 Difference]: Without dead ends: 49 [2020-10-24 15:05:44,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:05:44,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-24 15:05:44,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-24 15:05:44,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-24 15:05:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-24 15:05:44,770 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2020-10-24 15:05:44,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:05:44,770 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-24 15:05:44,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:05:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-24 15:05:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-24 15:05:44,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:44,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:44,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:05:44,772 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:44,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:44,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2020-10-24 15:05:44,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:44,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278651271] [2020-10-24 15:05:44,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:05:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:05:44,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278651271] [2020-10-24 15:05:44,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:05:44,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-24 15:05:44,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475598942] [2020-10-24 15:05:44,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-24 15:05:44,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:05:44,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-24 15:05:44,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 15:05:44,918 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 3 states. [2020-10-24 15:05:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:05:44,938 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2020-10-24 15:05:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 15:05:44,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-24 15:05:44,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:05:44,940 INFO L225 Difference]: With dead ends: 52 [2020-10-24 15:05:44,940 INFO L226 Difference]: Without dead ends: 49 [2020-10-24 15:05:44,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 15:05:44,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-24 15:05:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-24 15:05:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-24 15:05:44,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2020-10-24 15:05:44,964 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2020-10-24 15:05:44,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:05:44,965 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2020-10-24 15:05:44,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-24 15:05:44,966 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2020-10-24 15:05:44,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-24 15:05:44,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:44,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:44,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:05:44,970 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:44,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:44,972 INFO L82 PathProgramCache]: Analyzing trace with hash 581418946, now seen corresponding path program 1 times [2020-10-24 15:05:44,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:44,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735031061] [2020-10-24 15:05:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:45,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:45,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:45,378 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:05:45,382 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:05:45,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 15:05:45,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:05:45 BoogieIcfgContainer [2020-10-24 15:05:45,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:05:45,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:05:45,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:05:45,465 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:05:45,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:44" (3/4) ... [2020-10-24 15:05:45,472 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:05:45,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:05:45,477 INFO L168 Benchmark]: Toolchain (without parser) took 2855.33 ms. Allocated memory was 39.8 MB in the beginning and 67.1 MB in the end (delta: 27.3 MB). Free memory was 16.8 MB in the beginning and 32.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:45,479 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 24.6 MB in the beginning and 24.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:45,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.85 ms. Allocated memory was 39.8 MB in the beginning and 54.5 MB in the end (delta: 14.7 MB). Free memory was 25.2 MB in the beginning and 37.2 MB in the end (delta: -12.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:45,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.05 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 34.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:45,493 INFO L168 Benchmark]: Boogie Preprocessor took 110.03 ms. Allocated memory is still 54.5 MB. Free memory was 34.6 MB in the beginning and 32.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:45,496 INFO L168 Benchmark]: RCFGBuilder took 982.16 ms. Allocated memory is still 54.5 MB. Free memory was 32.3 MB in the beginning and 29.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:45,498 INFO L168 Benchmark]: TraceAbstraction took 1103.84 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.3 MB in the beginning and 32.6 MB in the end (delta: -3.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:45,500 INFO L168 Benchmark]: Witness Printer took 7.70 ms. Allocated memory is still 67.1 MB. Free memory was 32.6 MB in the beginning and 32.2 MB in the end (delta: 396.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:45,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 24.6 MB in the beginning and 24.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 492.85 ms. Allocated memory was 39.8 MB in the beginning and 54.5 MB in the end (delta: 14.7 MB). Free memory was 25.2 MB in the beginning and 37.2 MB in the end (delta: -12.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.05 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 34.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.03 ms. Allocated memory is still 54.5 MB. Free memory was 34.6 MB in the beginning and 32.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 982.16 ms. Allocated memory is still 54.5 MB. Free memory was 32.3 MB in the beginning and 29.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1103.84 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.3 MB in the beginning and 32.6 MB in the end (delta: -3.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Witness Printer took 7.70 ms. Allocated memory is still 67.1 MB. Free memory was 32.6 MB in the beginning and 32.2 MB in the end (delta: 396.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 122, overapproximation of bitwiseAnd at line 121, overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 146, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 151. Possible FailurePath: [L20] static const double one_modf = 1.0; VAL [one_modf=1] [L146] double x = -1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [one_modf=1] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (i1) = ew_u.parts.lsw [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [one_modf=1] [L32] COND TRUE j0 < 20 VAL [one_modf=1] [L33] COND TRUE j0 < 0 VAL [one_modf=1] [L35] ieee_double_shape_type iw_u; [L36] iw_u.parts.msw = (i0 & 0x80000000) [L37] iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] (*iptr) = iw_u.value [L40] return x; VAL [one_modf=1] [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L114] __int32_t hx, lx; VAL [one_modf=1] [L116] ieee_double_shape_type ew_u; [L117] ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] (lx) = ew_u.parts.lsw [L121] hx &= 0x7fffffff [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) [L151] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) VAL [one_modf=1] [L151] COND TRUE isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) [L3] __assert_fail("0", "double_req_bl_1211b.c", 3, "reach_error") VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 113 SDtfs, 0 SDslu, 49 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:05:48,106 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-24 15:05:48,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:48,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:48,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:48,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:48,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:48,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:48,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:48,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:48,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:48,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:48,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:48,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:05:48,260 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:48,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:48,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:48,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:48,263 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:48,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:48,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:48,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:48,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:48,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:48,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:48,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:48,265 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:05:48,266 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:05:48,266 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:48,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:48,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:48,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:48,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:48,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:48,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:48,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:48,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:48,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:48,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:48,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:48,270 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:05:48,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:05:48,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:48,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:48,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:05:48,272 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 [2020-10-24 15:05:48,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:48,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:48,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:48,795 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:48,797 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:48,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-10-24 15:05:48,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9af325494/96442d1a44904499a10f576dc236ade4/FLAG655c853e4 [2020-10-24 15:05:49,536 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:49,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-10-24 15:05:49,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9af325494/96442d1a44904499a10f576dc236ade4/FLAG655c853e4 [2020-10-24 15:05:49,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9af325494/96442d1a44904499a10f576dc236ade4 [2020-10-24 15:05:49,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:49,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:49,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:49,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:49,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:49,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:49" (1/1) ... [2020-10-24 15:05:49,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6976e685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:49, skipping insertion in model container [2020-10-24 15:05:49,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:49" (1/1) ... [2020-10-24 15:05:49,926 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:49,952 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:50,268 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:50,297 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:50,410 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:50,444 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:50,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:50 WrapperNode [2020-10-24 15:05:50,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:50,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:50,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:50,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:50,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:50" (1/1) ... [2020-10-24 15:05:50,473 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:50,475 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:50,479 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner has thrown an exception: java.lang.AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.checkExistingDeclarationInformation(TypeChecker.java:340) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckLeftHandSide(TypeChecker.java:360) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckStatement(TypeChecker.java:781) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckBlock(TypeChecker.java:846) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processBody(TypeChecker.java:957) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processImplementation(TypeChecker.java:1033) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.process(TypeChecker.java:1120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 15:05:50,488 INFO L168 Benchmark]: Toolchain (without parser) took 586.31 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.0 MB in the beginning and 29.3 MB in the end (delta: -6.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:50,490 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 46.1 MB. Free memory was 28.2 MB in the beginning and 28.2 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:50,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.99 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 30.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:50,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.14 ms. Allocated memory is still 56.6 MB. Free memory was 30.3 MB in the beginning and 29.3 MB in the end (delta: 917.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:50,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 46.1 MB. Free memory was 28.2 MB in the beginning and 28.2 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 539.99 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 30.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.14 ms. Allocated memory is still 56.6 MB. Free memory was 30.3 MB in the beginning and 29.3 MB in the end (delta: 917.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable * Results from de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: - ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...