./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1131b.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_1131b.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 4975ced40ee4a8ea85abb8c123fa258e6c012e9d ...................................................................................................................................................................................................................................................................................................................... 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_1131b.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 4975ced40ee4a8ea85abb8c123fa258e6c012e9d .......................................................................................................................................................................................... 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 15:05:29,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:29,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:30,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:30,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:30,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:30,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:30,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:30,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:30,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:30,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:30,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:30,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:30,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:30,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:30,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:30,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:30,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:30,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:30,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:30,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:30,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:30,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:30,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:30,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:30,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:30,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:30,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:30,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:30,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:30,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:30,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:30,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:30,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:30,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:30,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:30,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:30,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:30,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:30,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:30,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:30,125 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 15:05:30,181 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:30,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:30,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:30,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:30,187 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:30,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:30,188 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:30,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:05:30,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:30,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:30,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:30,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:30,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:30,191 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:30,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:30,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:30,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:30,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:30,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:30,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:30,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:30,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:30,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:30,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:30,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:30,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:05:30,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:05:30,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:30,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:30,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4975ced40ee4a8ea85abb8c123fa258e6c012e9d [2020-10-24 15:05:30,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:30,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:30,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:30,705 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:30,706 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:30,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2020-10-24 15:05:30,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/803da28a7/4c4f2aa88cf64e159ca678c373e33fa4/FLAGb76199bd4 [2020-10-24 15:05:31,469 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:31,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2020-10-24 15:05:31,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/803da28a7/4c4f2aa88cf64e159ca678c373e33fa4/FLAGb76199bd4 [2020-10-24 15:05:31,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/803da28a7/4c4f2aa88cf64e159ca678c373e33fa4 [2020-10-24 15:05:31,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:31,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:31,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:31,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:31,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:31,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c04115b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31, skipping insertion in model container [2020-10-24 15:05:31,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,775 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:31,819 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:32,079 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:32,090 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:32,162 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:32,183 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:32,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32 WrapperNode [2020-10-24 15:05:32,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:32,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:32,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:32,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:32,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (1/1) ... [2020-10-24 15:05:32,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (1/1) ... [2020-10-24 15:05:32,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:32,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:05:32,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:05:32,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:05:32,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (1/1) ... [2020-10-24 15:05:32,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (1/1) ... [2020-10-24 15:05:32,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (1/1) ... [2020-10-24 15:05:32,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (1/1) ... [2020-10-24 15:05:32,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (1/1) ... [2020-10-24 15:05:32,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (1/1) ... [2020-10-24 15:05:32,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (1/1) ... [2020-10-24 15:05:32,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:05:32,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:05:32,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:05:32,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:05:32,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (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 15:05:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:05:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:05:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:05:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:05:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:05:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:05:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:05:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:05:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 15:05:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:05:33,400 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:05:33,400 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-24 15:05:33,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:33 BoogieIcfgContainer [2020-10-24 15:05:33,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:05:33,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:05:33,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:05:33,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:05:33,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:05:31" (1/3) ... [2020-10-24 15:05:33,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d85ab1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:33, skipping insertion in model container [2020-10-24 15:05:33,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:32" (2/3) ... [2020-10-24 15:05:33,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d85ab1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:33, skipping insertion in model container [2020-10-24 15:05:33,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:33" (3/3) ... [2020-10-24 15:05:33,414 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2020-10-24 15:05:33,432 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:05:33,438 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:05:33,453 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:05:33,484 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:05:33,484 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:05:33,485 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:05:33,485 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:05:33,485 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:05:33,485 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:05:33,485 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:05:33,486 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:05:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-10-24 15:05:33,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 15:05:33,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:33,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:33,513 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:33,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:33,521 INFO L82 PathProgramCache]: Analyzing trace with hash 2036387893, now seen corresponding path program 1 times [2020-10-24 15:05:33,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:33,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947136430] [2020-10-24 15:05:33,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:05:33,699 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 15:05:33,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947136430] [2020-10-24 15:05:33,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:05:33,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:05:33,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721813584] [2020-10-24 15:05:33,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:05:33,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:05:33,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:05:33,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:05:33,728 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-10-24 15:05:33,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:05:33,759 INFO L93 Difference]: Finished difference Result 119 states and 207 transitions. [2020-10-24 15:05:33,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:05:33,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-10-24 15:05:33,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:05:33,774 INFO L225 Difference]: With dead ends: 119 [2020-10-24 15:05:33,775 INFO L226 Difference]: Without dead ends: 56 [2020-10-24 15:05:33,778 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 15:05:33,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-24 15:05:33,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-24 15:05:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-24 15:05:33,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2020-10-24 15:05:33,826 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 13 [2020-10-24 15:05:33,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:05:33,835 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2020-10-24 15:05:33,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:05:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-10-24 15:05:33,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 15:05:33,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:33,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:33,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:05:33,838 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:33,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:33,839 INFO L82 PathProgramCache]: Analyzing trace with hash -794890891, now seen corresponding path program 1 times [2020-10-24 15:05:33,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:33,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412872814] [2020-10-24 15:05:33,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:33,955 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:34,046 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:34,084 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:05:34,084 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:05:34,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:05:34,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:05:34 BoogieIcfgContainer [2020-10-24 15:05:34,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:05:34,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:05:34,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:05:34,129 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:05:34,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:33" (3/4) ... [2020-10-24 15:05:34,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:05:34,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:05:34,138 INFO L168 Benchmark]: Toolchain (without parser) took 2395.21 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.1 MB in the beginning and 28.6 MB in the end (delta: -1.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:34,139 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 50.3 MB. Free memory is still 28.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:34,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.55 ms. Allocated memory is still 50.3 MB. Free memory was 26.4 MB in the beginning and 24.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:34,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.81 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 43.7 MB in the end (delta: -19.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:34,142 INFO L168 Benchmark]: Boogie Preprocessor took 105.84 ms. Allocated memory is still 60.8 MB. Free memory was 43.7 MB in the beginning and 41.5 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:34,143 INFO L168 Benchmark]: RCFGBuilder took 1039.42 ms. Allocated memory is still 60.8 MB. Free memory was 41.5 MB in the beginning and 41.3 MB in the end (delta: 158.3 kB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:34,144 INFO L168 Benchmark]: TraceAbstraction took 722.91 ms. Allocated memory is still 60.8 MB. Free memory was 41.2 MB in the beginning and 29.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:34,144 INFO L168 Benchmark]: Witness Printer took 6.17 ms. Allocated memory is still 60.8 MB. Free memory was 29.0 MB in the beginning and 28.6 MB in the end (delta: 369.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:34,149 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 50.3 MB. Free memory is still 28.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 431.55 ms. Allocated memory is still 50.3 MB. Free memory was 26.4 MB in the beginning and 24.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.81 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 43.7 MB in the end (delta: -19.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.84 ms. Allocated memory is still 60.8 MB. Free memory was 43.7 MB in the beginning and 41.5 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1039.42 ms. Allocated memory is still 60.8 MB. Free memory was 41.5 MB in the beginning and 41.3 MB in the end (delta: 158.3 kB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 722.91 ms. Allocated memory is still 60.8 MB. Free memory was 41.2 MB in the beginning and 29.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Witness Printer took 6.17 ms. Allocated memory is still 60.8 MB. Free memory was 29.0 MB in the beginning and 28.6 MB in the end (delta: 369.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 19, overapproximation of bitwiseOr at line 43, overapproximation of bitwiseAnd at line 38, overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 44, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 187, overapproximation of bitwiseXor at line 39. Possible FailurePath: [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L179] double y = -1.0 / 0.0; [L180] double x = __VERIFIER_nondet_double(); [L163] __int32_t hx; VAL [one_fmod=1, Zero_fmod={9:0}] [L165] ieee_double_shape_type gh_u; [L166] gh_u.value = (x) [L167] EXPR gh_u.parts.msw [L167] (hx) = gh_u.parts.msw [L169] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [one_fmod=1, Zero_fmod={9:0}] [L182] COND TRUE isfinite_double(x) [L23] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L24] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={9:0}] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (hx) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lx) = ew_u.parts.lsw [L33] ieee_double_shape_type ew_u; [L34] ew_u.value = (y) [L35] EXPR ew_u.parts.msw [L35] (hy) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] (ly) = ew_u.parts.lsw [L38] sx = hx & 0x80000000 [L39] hx ^= sx [L40] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L42-L43] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L44] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L184] double res = fmod_double(x, y); [L187] COND TRUE res != x VAL [one_fmod=1, Zero_fmod={9:0}] [L3] __assert_fail("0", "double_req_bl_1131b.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 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=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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 15:05:36,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:36,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:36,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:36,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:36,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:36,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:36,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:36,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:36,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:36,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:36,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:36,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:36,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:36,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:36,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:36,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:36,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:36,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:36,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:36,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:36,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:36,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:36,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:36,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:36,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:36,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:36,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:36,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:36,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:36,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:36,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:36,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:36,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:36,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:36,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:36,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:36,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:36,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:36,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:36,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:36,989 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 15:05:37,029 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:37,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:37,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:37,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:37,032 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:37,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:37,033 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:37,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:37,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:37,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:37,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:37,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:37,035 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:05:37,035 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:05:37,035 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:37,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:37,036 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:37,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:37,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:37,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:37,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:37,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:37,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:37,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:37,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:37,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:37,038 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:05:37,039 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:05:37,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:37,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:37,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:05:37,040 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4975ced40ee4a8ea85abb8c123fa258e6c012e9d [2020-10-24 15:05:37,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:37,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:37,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:37,519 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:37,520 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:37,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2020-10-24 15:05:37,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/07e7b9c89/974083ae58a54c7eb99aae01318f7ec0/FLAG41345192c [2020-10-24 15:05:38,285 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:38,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2020-10-24 15:05:38,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/07e7b9c89/974083ae58a54c7eb99aae01318f7ec0/FLAG41345192c [2020-10-24 15:05:38,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/07e7b9c89/974083ae58a54c7eb99aae01318f7ec0 [2020-10-24 15:05:38,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:38,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:38,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:38,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:38,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:38,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:38" (1/1) ... [2020-10-24 15:05:38,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@915fc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:38, skipping insertion in model container [2020-10-24 15:05:38,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:38" (1/1) ... [2020-10-24 15:05:38,671 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:38,703 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:38,958 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:38,984 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:39,044 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:39,091 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:39,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:39 WrapperNode [2020-10-24 15:05:39,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:39,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:39,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:39,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:39,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:39" (1/1) ... [2020-10-24 15:05:39,113 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:39,114 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:05:39,115 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:05:39,115 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:05:39,116 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:39,116 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:05:39,116 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:05:39,116 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:05:39,118 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 15:05:39,124 INFO L168 Benchmark]: Toolchain (without parser) took 528.58 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 17.5 MB in the beginning and 33.9 MB in the end (delta: -16.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:39,126 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 41.9 MB. Free memory was 27.1 MB in the beginning and 27.1 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:39,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.64 ms. Allocated memory is still 52.4 MB. Free memory was 36.3 MB in the beginning and 35.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:39,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.56 ms. Allocated memory is still 52.4 MB. Free memory was 34.9 MB in the beginning and 33.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:39,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 41.9 MB. Free memory was 27.1 MB in the beginning and 27.1 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 469.64 ms. Allocated memory is still 52.4 MB. Free memory was 36.3 MB in the beginning and 35.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.56 ms. Allocated memory is still 52.4 MB. Free memory was 34.9 MB in the beginning and 33.9 MB in the end (delta: 1.0 MB). There was no memory consumed. 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~nondet9 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet10 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 - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet9 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet10 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...