./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0730c.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_0730c.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 83c30cf69d350d7f7844d9a61780744d2d19365f ................................................................................................................................................................................................................................................................................................ 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_0730c.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 83c30cf69d350d7f7844d9a61780744d2d19365f .............................................................................................................................................................................. 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 15:02:51,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:02:51,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:02:51,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:02:51,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:02:51,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:02:51,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:02:51,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:02:51,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:02:51,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:02:51,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:02:51,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:02:51,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:02:51,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:02:51,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:02:51,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:02:51,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:02:51,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:02:51,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:02:51,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:02:51,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:02:51,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:02:51,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:02:51,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:02:51,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:02:51,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:02:51,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:02:51,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:02:51,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:02:51,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:02:51,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:02:51,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:02:51,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:02:51,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:02:51,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:02:51,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:02:52,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:02:52,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:02:52,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:02:52,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:02:52,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:02:52,012 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 15:02:52,040 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:02:52,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:02:52,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:02:52,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:02:52,043 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:02:52,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:02:52,043 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:02:52,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:02:52,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:02:52,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:02:52,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:02:52,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:02:52,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:02:52,045 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:02:52,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:02:52,045 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:02:52,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:02:52,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:02:52,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:02:52,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:02:52,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:02:52,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:02:52,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:02:52,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:02:52,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:02:52,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:02:52,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:02:52,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:02:52,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:02:52,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83c30cf69d350d7f7844d9a61780744d2d19365f [2020-10-24 15:02:52,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:02:52,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:02:52,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:02:52,490 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:02:52,493 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:02:52,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2020-10-24 15:02:52,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6f4f0261/c90c8c9b05034f74a78f186f984b305b/FLAGdf23e7463 [2020-10-24 15:02:53,288 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:02:53,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2020-10-24 15:02:53,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6f4f0261/c90c8c9b05034f74a78f186f984b305b/FLAGdf23e7463 [2020-10-24 15:02:53,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6f4f0261/c90c8c9b05034f74a78f186f984b305b [2020-10-24 15:02:53,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:02:53,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:02:53,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:02:53,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:02:53,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:02:53,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:02:53" (1/1) ... [2020-10-24 15:02:53,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229d38e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:53, skipping insertion in model container [2020-10-24 15:02:53,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:02:53" (1/1) ... [2020-10-24 15:02:53,656 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:02:53,680 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:02:53,929 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:02:53,940 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:02:54,000 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:02:54,020 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:02:54,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54 WrapperNode [2020-10-24 15:02:54,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:02:54,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:02:54,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:02:54,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:02:54,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:02:54,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:02:54,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:02:54,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:02:54,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:02:54,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:02:54,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:02:54,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:02:54,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (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 15:02:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:02:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:02:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:02:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:02:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:02:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:02:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:02:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:02:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:02:55,212 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:02:55,213 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-24 15:02:55,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:02:55 BoogieIcfgContainer [2020-10-24 15:02:55,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:02:55,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:02:55,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:02:55,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:02:55,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:02:53" (1/3) ... [2020-10-24 15:02:55,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a08cdf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:02:55, skipping insertion in model container [2020-10-24 15:02:55,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (2/3) ... [2020-10-24 15:02:55,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a08cdf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:02:55, skipping insertion in model container [2020-10-24 15:02:55,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:02:55" (3/3) ... [2020-10-24 15:02:55,226 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730c.c [2020-10-24 15:02:55,239 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:02:55,245 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:02:55,266 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:02:55,293 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:02:55,293 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:02:55,294 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:02:55,294 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:02:55,294 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:02:55,294 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:02:55,294 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:02:55,295 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:02:55,312 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2020-10-24 15:02:55,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-24 15:02:55,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:02:55,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:02:55,320 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:02:55,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:02:55,327 INFO L82 PathProgramCache]: Analyzing trace with hash 361085180, now seen corresponding path program 1 times [2020-10-24 15:02:55,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:02:55,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322466034] [2020-10-24 15:02:55,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:02:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:02:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:02:55,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322466034] [2020-10-24 15:02:55,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:02:55,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:02:55,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628160596] [2020-10-24 15:02:55,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:02:55,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:02:55,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:02:55,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:02:55,517 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2020-10-24 15:02:55,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:02:55,541 INFO L93 Difference]: Finished difference Result 105 states and 167 transitions. [2020-10-24 15:02:55,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:02:55,542 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-24 15:02:55,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:02:55,554 INFO L225 Difference]: With dead ends: 105 [2020-10-24 15:02:55,555 INFO L226 Difference]: Without dead ends: 50 [2020-10-24 15:02:55,558 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 15:02:55,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-24 15:02:55,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-10-24 15:02:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-24 15:02:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2020-10-24 15:02:55,608 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 8 [2020-10-24 15:02:55,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:02:55,608 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2020-10-24 15:02:55,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:02:55,609 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-10-24 15:02:55,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 15:02:55,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:02:55,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:02:55,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:02:55,610 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:02:55,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:02:55,611 INFO L82 PathProgramCache]: Analyzing trace with hash 331839487, now seen corresponding path program 1 times [2020-10-24 15:02:55,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:02:55,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292172041] [2020-10-24 15:02:55,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:02:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:02:55,672 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:02:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:02:55,726 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:02:55,775 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:02:55,775 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:02:55,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:02:55,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:02:55 BoogieIcfgContainer [2020-10-24 15:02:55,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:02:55,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:02:55,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:02:55,828 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:02:55,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:02:55" (3/4) ... [2020-10-24 15:02:55,833 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:02:55,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:02:55,839 INFO L168 Benchmark]: Toolchain (without parser) took 2204.22 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 24.1 MB in the beginning and 36.5 MB in the end (delta: -12.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:55,840 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 26.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:02:55,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.62 ms. Allocated memory is still 46.1 MB. Free memory was 23.5 MB in the beginning and 22.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:55,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.97 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 22.3 MB in the beginning and 43.7 MB in the end (delta: -21.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:55,844 INFO L168 Benchmark]: Boogie Preprocessor took 57.63 ms. Allocated memory is still 58.7 MB. Free memory was 43.7 MB in the beginning and 41.9 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:02:55,845 INFO L168 Benchmark]: RCFGBuilder took 1057.50 ms. Allocated memory is still 58.7 MB. Free memory was 41.9 MB in the beginning and 27.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:55,846 INFO L168 Benchmark]: TraceAbstraction took 610.10 ms. Allocated memory is still 58.7 MB. Free memory was 27.5 MB in the beginning and 36.8 MB in the end (delta: -9.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:02:55,848 INFO L168 Benchmark]: Witness Printer took 5.39 ms. Allocated memory is still 58.7 MB. Free memory was 36.8 MB in the beginning and 36.5 MB in the end (delta: 301.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:02:55,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 26.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.62 ms. Allocated memory is still 46.1 MB. Free memory was 23.5 MB in the beginning and 22.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.97 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 22.3 MB in the beginning and 43.7 MB in the end (delta: -21.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.63 ms. Allocated memory is still 58.7 MB. Free memory was 43.7 MB in the beginning and 41.9 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1057.50 ms. Allocated memory is still 58.7 MB. Free memory was 41.9 MB in the beginning and 27.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 610.10 ms. Allocated memory is still 58.7 MB. Free memory was 27.5 MB in the beginning and 36.8 MB in the end (delta: -9.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.39 ms. Allocated memory is still 58.7 MB. Free memory was 36.8 MB in the beginning and 36.5 MB in the end (delta: 301.9 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 someBinaryArithmeticDOUBLE_SMToperation at line 35, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 155, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L151] double x = 0.0; [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (ix1) = ew_u.parts.lsw [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L152] double res = __ieee754_sqrt(x); [L155] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L155] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0730c.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 73 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=54occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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-ee8e70e [2020-10-24 15:02:58,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:02:58,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:02:58,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:02:58,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:02:58,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:02:58,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:02:58,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:02:58,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:02:58,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:02:58,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:02:58,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:02:58,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:02:58,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:02:58,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:02:58,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:02:58,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:02:58,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:02:58,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:02:58,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:02:58,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:02:58,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:02:58,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:02:58,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:02:58,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:02:58,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:02:58,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:02:58,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:02:58,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:02:58,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:02:58,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:02:58,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:02:58,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:02:58,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:02:58,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:02:58,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:02:58,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:02:58,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:02:58,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:02:58,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:02:58,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:02:58,693 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 15:02:58,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:02:58,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:02:58,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:02:58,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:02:58,754 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:02:58,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:02:58,755 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:02:58,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:02:58,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:02:58,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:02:58,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:02:58,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:02:58,757 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:02:58,757 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:02:58,758 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:02:58,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:02:58,758 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:02:58,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:02:58,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:02:58,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:02:58,760 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:02:58,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:02:58,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:02:58,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:02:58,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:02:58,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:02:58,761 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:02:58,761 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:02:58,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:02:58,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:02:58,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:02:58,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83c30cf69d350d7f7844d9a61780744d2d19365f [2020-10-24 15:02:59,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:02:59,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:02:59,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:02:59,253 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:02:59,254 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:02:59,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2020-10-24 15:02:59,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8512ee4f8/e42baacb5a2c463c84123a72a6aa2b3d/FLAGdbdce5e2d [2020-10-24 15:03:00,008 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:03:00,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2020-10-24 15:03:00,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8512ee4f8/e42baacb5a2c463c84123a72a6aa2b3d/FLAGdbdce5e2d [2020-10-24 15:03:00,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8512ee4f8/e42baacb5a2c463c84123a72a6aa2b3d [2020-10-24 15:03:00,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:03:00,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:03:00,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:00,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:03:00,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:03:00,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:00" (1/1) ... [2020-10-24 15:03:00,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc31b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:00, skipping insertion in model container [2020-10-24 15:03:00,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:00" (1/1) ... [2020-10-24 15:03:00,408 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:03:00,453 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:03:00,758 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:00,798 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:03:00,908 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:00,950 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:03:00,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:00 WrapperNode [2020-10-24 15:03:00,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:00,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:00,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:03:00,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:03:00,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:00" (1/1) ... [2020-10-24 15:03:00,985 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:03:00,986 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:03:00,987 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:03:00,987 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:03:00,990 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 15:03:01,014 INFO L168 Benchmark]: Toolchain (without parser) took 634.85 ms. Allocated memory is still 48.2 MB. Free memory was 25.4 MB in the beginning and 32.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:01,015 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 39.8 MB. Free memory is still 17.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:01,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.75 ms. Allocated memory is still 48.2 MB. Free memory was 24.7 MB in the beginning and 22.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:01,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.68 ms. Allocated memory is still 48.2 MB. Free memory was 22.2 MB in the beginning and 32.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:01,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 39.8 MB. Free memory is still 17.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 563.75 ms. Allocated memory is still 48.2 MB. Free memory was 24.7 MB in the beginning and 22.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.68 ms. Allocated memory is still 48.2 MB. Free memory was 22.2 MB in the beginning and 32.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 5.2 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~nondet8 which is not a global variable - 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~nondet8 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...