./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1130a.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/float_req_bl_1130a.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 07cf728e594e227dafc07e33770c9952635c513c ......................................................................................................................................................................................................................................................................................................... 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/float_req_bl_1130a.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 07cf728e594e227dafc07e33770c9952635c513c .......................................................................................................................................................................................... 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 15:11:06,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:11:06,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:11:06,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:11:06,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:11:06,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:11:06,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:11:06,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:11:06,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:11:06,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:11:06,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:11:06,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:11:06,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:11:06,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:11:06,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:11:06,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:11:06,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:11:06,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:11:06,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:11:06,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:11:06,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:11:06,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:11:06,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:11:06,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:11:06,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:11:06,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:11:06,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:11:06,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:11:06,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:11:06,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:11:06,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:11:06,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:11:06,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:11:06,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:11:06,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:11:06,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:11:06,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:11:06,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:11:06,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:11:06,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:11:06,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:11:06,299 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 15:11:06,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:11:06,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:11:06,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:11:06,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:11:06,365 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:11:06,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:11:06,365 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:11:06,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:11:06,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:11:06,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:11:06,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:11:06,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:11:06,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:11:06,368 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:11:06,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:11:06,368 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:11:06,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:11:06,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:11:06,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:11:06,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:11:06,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:11:06,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:11:06,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:11:06,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:11:06,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:11:06,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:11:06,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:11:06,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:11:06,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:11:06,371 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-10-24 15:11:06,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:11:06,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:11:06,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:11:06,919 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:11:06,920 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:11:06,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-10-24 15:11:07,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b394845b/422ec61528984d34a77f0e6716cf35b6/FLAG4021c145f [2020-10-24 15:11:07,763 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:11:07,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-10-24 15:11:07,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b394845b/422ec61528984d34a77f0e6716cf35b6/FLAG4021c145f [2020-10-24 15:11:08,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b394845b/422ec61528984d34a77f0e6716cf35b6 [2020-10-24 15:11:08,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:11:08,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:11:08,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:08,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:11:08,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:11:08,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b49d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08, skipping insertion in model container [2020-10-24 15:11:08,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,121 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:11:08,155 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:11:08,449 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:08,466 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:11:08,565 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:08,607 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:11:08,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08 WrapperNode [2020-10-24 15:11:08,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:08,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:11:08,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:11:08,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:11:08,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:11:08,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:11:08,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:11:08,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:11:08,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:11:08,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:11:08,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:11:08,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:11:08,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (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 15:11:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:11:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:11:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:11:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:11:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:11:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:11:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:11:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:11:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 15:11:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:11:09,748 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:11:09,749 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-24 15:11:09,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:09 BoogieIcfgContainer [2020-10-24 15:11:09,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:11:09,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:11:09,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:11:09,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:11:09,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:11:08" (1/3) ... [2020-10-24 15:11:09,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f24de8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:11:09, skipping insertion in model container [2020-10-24 15:11:09,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (2/3) ... [2020-10-24 15:11:09,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f24de8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:11:09, skipping insertion in model container [2020-10-24 15:11:09,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:09" (3/3) ... [2020-10-24 15:11:09,762 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-10-24 15:11:09,777 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:11:09,784 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:11:09,801 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:11:09,835 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:11:09,835 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:11:09,835 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:11:09,835 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:11:09,835 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:11:09,836 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:11:09,836 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:11:09,836 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:11:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-10-24 15:11:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:11:09,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:11:09,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:11:09,864 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:11:09,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:11:09,873 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2020-10-24 15:11:09,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:11:09,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041642039] [2020-10-24 15:11:09,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:11:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:11:10,067 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 15:11:10,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041642039] [2020-10-24 15:11:10,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:11:10,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:11:10,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419769112] [2020-10-24 15:11:10,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:11:10,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:11:10,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:11:10,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:11:10,106 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-10-24 15:11:10,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:11:10,142 INFO L93 Difference]: Finished difference Result 94 states and 157 transitions. [2020-10-24 15:11:10,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:11:10,144 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 15:11:10,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:11:10,161 INFO L225 Difference]: With dead ends: 94 [2020-10-24 15:11:10,161 INFO L226 Difference]: Without dead ends: 44 [2020-10-24 15:11:10,167 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 15:11:10,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-24 15:11:10,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-10-24 15:11:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-24 15:11:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-10-24 15:11:10,223 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2020-10-24 15:11:10,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:11:10,224 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-10-24 15:11:10,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:11:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-10-24 15:11:10,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 15:11:10,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:11:10,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:11:10,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:11:10,227 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:11:10,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:11:10,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2020-10-24 15:11:10,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:11:10,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520815651] [2020-10-24 15:11:10,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:11:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:11:10,319 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:11:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:11:10,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:11:10,456 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:11:10,457 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:11:10,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:11:10,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:11:10 BoogieIcfgContainer [2020-10-24 15:11:10,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:11:10,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:11:10,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:11:10,516 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:11:10,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:09" (3/4) ... [2020-10-24 15:11:10,520 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:11:10,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:11:10,526 INFO L168 Benchmark]: Toolchain (without parser) took 2432.93 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.9 MB in the beginning and 26.3 MB in the end (delta: -2.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:10,527 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 20.1 MB in the beginning and 20.0 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:10,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.81 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 22.7 MB in the end (delta: 635.7 kB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:10,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.70 ms. Allocated memory is still 46.1 MB. Free memory was 22.7 MB in the beginning and 20.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:10,531 INFO L168 Benchmark]: Boogie Preprocessor took 100.13 ms. Allocated memory is still 46.1 MB. Free memory was 20.5 MB in the beginning and 30.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:10,533 INFO L168 Benchmark]: RCFGBuilder took 970.45 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 30.1 MB in the beginning and 38.4 MB in the end (delta: -8.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:10,534 INFO L168 Benchmark]: TraceAbstraction took 761.44 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 26.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:10,537 INFO L168 Benchmark]: Witness Printer took 5.43 ms. Allocated memory is still 56.6 MB. Free memory was 26.8 MB in the beginning and 26.3 MB in the end (delta: 533.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:10,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 20.1 MB in the beginning and 20.0 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 507.81 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 22.7 MB in the end (delta: 635.7 kB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.70 ms. Allocated memory is still 46.1 MB. Free memory was 22.7 MB in the beginning and 20.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.13 ms. Allocated memory is still 46.1 MB. Free memory was 20.5 MB in the beginning and 30.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 970.45 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 30.1 MB in the beginning and 38.4 MB in the end (delta: -8.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 761.44 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 26.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.43 ms. Allocated memory is still 56.6 MB. Free memory was 26.8 MB in the beginning and 26.3 MB in the end (delta: 533.0 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 16, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 136, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryArithmeticFLOAT_SMToperation at line 37, overapproximation of bitwiseXor at line 33. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L128] float x = 0.0f; [L129] float y = __VERIFIER_nondet_float(); [L131] COND TRUE (y < 0.0f || y > 0.0f) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={9:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L133] float res = fmod_float(x, y); [L136] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, Zero_fmod={9:0}] [L136] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L3] __assert_fail("0", "float_req_bl_1130a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 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: 65 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=49occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 15:11:13,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:11:13,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:11:13,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:11:13,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:11:13,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:11:13,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:11:13,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:11:13,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:11:13,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:11:13,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:11:13,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:11:13,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:11:13,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:11:13,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:11:13,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:11:13,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:11:13,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:11:13,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:11:13,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:11:13,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:11:13,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:11:13,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:11:13,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:11:13,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:11:13,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:11:13,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:11:13,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:11:13,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:11:13,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:11:13,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:11:13,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:11:13,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:11:13,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:11:13,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:11:13,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:11:13,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:11:13,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:11:13,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:11:13,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:11:13,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:11:13,402 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 15:11:13,456 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:11:13,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:11:13,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:11:13,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:11:13,461 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:11:13,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:11:13,462 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:11:13,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:11:13,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:11:13,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:11:13,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:11:13,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:11:13,465 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:11:13,465 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:11:13,466 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:11:13,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:11:13,466 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:11:13,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:11:13,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:11:13,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:11:13,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:11:13,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:11:13,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:11:13,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:11:13,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:11:13,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:11:13,469 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:11:13,470 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:11:13,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:11:13,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:11:13,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:11:13,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-10-24 15:11:13,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:11:14,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:11:14,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:11:14,026 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:11:14,027 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:11:14,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-10-24 15:11:14,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e5e90ff0/cd29138173224447ade19950a84f6658/FLAGa1e0d034f [2020-10-24 15:11:14,717 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:11:14,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-10-24 15:11:14,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e5e90ff0/cd29138173224447ade19950a84f6658/FLAGa1e0d034f [2020-10-24 15:11:15,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e5e90ff0/cd29138173224447ade19950a84f6658 [2020-10-24 15:11:15,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:11:15,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:11:15,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:15,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:11:15,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:11:15,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:15" (1/1) ... [2020-10-24 15:11:15,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e552a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:15, skipping insertion in model container [2020-10-24 15:11:15,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:15" (1/1) ... [2020-10-24 15:11:15,069 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:11:15,102 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:11:15,323 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:15,340 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:11:15,391 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:15,415 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:11:15,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:15 WrapperNode [2020-10-24 15:11:15,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:15,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:11:15,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:11:15,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:11:15,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:15" (1/1) ... [2020-10-24 15:11:15,438 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:11:15,439 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:11:15,445 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:11:15,445 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:11:15,446 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:11:15,446 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:11:15,446 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:11:15,447 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:11:15,449 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 15:11:15,455 INFO L168 Benchmark]: Toolchain (without parser) took 409.66 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 34.5 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:15,456 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 39.8 MB. Free memory was 17.7 MB in the beginning and 17.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:15,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.47 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 23.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:15,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.79 ms. Allocated memory is still 50.3 MB. Free memory was 23.9 MB in the beginning and 34.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:15,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 39.8 MB. Free memory was 17.7 MB in the beginning and 17.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 365.47 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 23.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.79 ms. Allocated memory is still 50.3 MB. Free memory was 23.9 MB in the beginning and 34.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 2.9 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~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...