./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1131a.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_1131a.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 a2712f99886fada4431f6b254797f3064cc19fae ................................................................................................................................................................................................................................................................................................................. 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_1131a.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 a2712f99886fada4431f6b254797f3064cc19fae .......................................................................................................................................................................................... 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 15:11:12,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:11:12,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:11:12,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:11:12,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:11:12,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:11:12,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:11:12,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:11:12,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:11:12,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:11:12,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:11:12,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:11:12,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:11:12,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:11:12,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:11:12,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:11:12,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:11:12,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:11:12,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:11:12,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:11:12,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:11:12,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:11:12,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:11:12,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:11:12,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:11:12,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:11:12,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:11:12,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:11:12,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:11:12,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:11:12,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:11:12,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:11:12,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:11:12,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:11:12,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:11:12,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:11:12,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:11:12,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:11:12,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:11:12,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:11:12,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:11:12,810 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 15:11:12,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:11:12,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:11:12,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:11:12,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:11:12,839 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:11:12,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:11:12,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:11:12,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:11:12,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:11:12,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:11:12,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:11:12,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:11:12,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:11:12,842 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:11:12,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:11:12,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:11:12,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:11:12,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:11:12,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:11:12,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:11:12,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:11:12,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:11:12,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:11:12,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:11:12,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:11:12,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:11:12,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:11:12,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:11:12,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:11:12,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2712f99886fada4431f6b254797f3064cc19fae [2020-10-24 15:11:13,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:11:13,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:11:13,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:11:13,277 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:11:13,277 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:11:13,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2020-10-24 15:11:13,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b908490f/362c2fe3ccf24fb8a5b580e1efc68b7c/FLAGcbb03891f [2020-10-24 15:11:13,879 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:11:13,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2020-10-24 15:11:13,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b908490f/362c2fe3ccf24fb8a5b580e1efc68b7c/FLAGcbb03891f [2020-10-24 15:11:14,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b908490f/362c2fe3ccf24fb8a5b580e1efc68b7c [2020-10-24 15:11:14,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:11:14,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:11:14,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:14,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:11:14,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:11:14,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359703a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14, skipping insertion in model container [2020-10-24 15:11:14,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,301 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:11:14,338 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:11:14,563 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:14,571 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:11:14,619 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:14,647 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:11:14,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14 WrapperNode [2020-10-24 15:11:14,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:14,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:11:14,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:11:14,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:11:14,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:11:14,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:11:14,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:11:14,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:11:14,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (1/1) ... [2020-10-24 15:11:14,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:11:14,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:11:14,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:11:14,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:11:14,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (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 15:11:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:11:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:11:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:11:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:11:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:11:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:11:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:11:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:11:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 15:11:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:11:15,476 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:11:15,476 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-24 15:11:15,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:15 BoogieIcfgContainer [2020-10-24 15:11:15,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:11:15,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:11:15,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:11:15,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:11:15,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:11:14" (1/3) ... [2020-10-24 15:11:15,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f68d166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:11:15, skipping insertion in model container [2020-10-24 15:11:15,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:14" (2/3) ... [2020-10-24 15:11:15,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f68d166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:11:15, skipping insertion in model container [2020-10-24 15:11:15,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:15" (3/3) ... [2020-10-24 15:11:15,487 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131a.c [2020-10-24 15:11:15,499 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:11:15,504 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:11:15,516 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:11:15,549 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:11:15,549 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:11:15,549 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:11:15,549 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:11:15,549 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:11:15,550 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:11:15,550 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:11:15,550 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:11:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-10-24 15:11:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 15:11:15,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:11:15,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:11:15,573 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:11:15,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:11:15,579 INFO L82 PathProgramCache]: Analyzing trace with hash 2036314411, now seen corresponding path program 1 times [2020-10-24 15:11:15,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:11:15,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698205116] [2020-10-24 15:11:15,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:11:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:11:15,736 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 15:11:15,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698205116] [2020-10-24 15:11:15,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:11:15,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:11:15,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333327171] [2020-10-24 15:11:15,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:11:15,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:11:15,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:11:15,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:11:15,766 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2020-10-24 15:11:15,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:11:15,786 INFO L93 Difference]: Finished difference Result 93 states and 155 transitions. [2020-10-24 15:11:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:11:15,788 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-10-24 15:11:15,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:11:15,798 INFO L225 Difference]: With dead ends: 93 [2020-10-24 15:11:15,798 INFO L226 Difference]: Without dead ends: 43 [2020-10-24 15:11:15,805 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 15:11:15,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-24 15:11:15,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-24 15:11:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-24 15:11:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2020-10-24 15:11:15,853 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 13 [2020-10-24 15:11:15,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:11:15,853 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2020-10-24 15:11:15,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:11:15,854 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2020-10-24 15:11:15,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 15:11:15,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:11:15,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:11:15,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:11:15,855 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:11:15,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:11:15,856 INFO L82 PathProgramCache]: Analyzing trace with hash -794964373, now seen corresponding path program 1 times [2020-10-24 15:11:15,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:11:15,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231457454] [2020-10-24 15:11:15,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:11:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:11:15,983 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:11:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:11:16,061 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:11:16,095 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:11:16,096 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:11:16,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:11:16,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:11:16 BoogieIcfgContainer [2020-10-24 15:11:16,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:11:16,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:11:16,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:11:16,139 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:11:16,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:15" (3/4) ... [2020-10-24 15:11:16,143 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:11:16,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:11:16,146 INFO L168 Benchmark]: Toolchain (without parser) took 1875.10 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.0 MB in the beginning and 28.0 MB in the end (delta: -2.9 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:16,147 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 17.5 MB in the beginning and 17.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:16,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.22 ms. Allocated memory is still 48.2 MB. Free memory was 24.5 MB in the beginning and 23.6 MB in the end (delta: 825.4 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:16,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.53 ms. Allocated memory is still 48.2 MB. Free memory was 23.6 MB in the beginning and 21.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:16,150 INFO L168 Benchmark]: Boogie Preprocessor took 44.61 ms. Allocated memory is still 48.2 MB. Free memory was 21.5 MB in the beginning and 31.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:16,151 INFO L168 Benchmark]: RCFGBuilder took 732.14 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 31.3 MB in the beginning and 40.0 MB in the end (delta: -8.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:16,151 INFO L168 Benchmark]: TraceAbstraction took 658.42 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 28.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:16,152 INFO L168 Benchmark]: Witness Printer took 4.54 ms. Allocated memory is still 58.7 MB. Free memory is still 28.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:16,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 17.5 MB in the beginning and 17.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.22 ms. Allocated memory is still 48.2 MB. Free memory was 24.5 MB in the beginning and 23.6 MB in the end (delta: 825.4 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.53 ms. Allocated memory is still 48.2 MB. Free memory was 23.6 MB in the beginning and 21.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.61 ms. Allocated memory is still 48.2 MB. Free memory was 21.5 MB in the beginning and 31.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 732.14 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 31.3 MB in the beginning and 40.0 MB in the end (delta: -8.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 658.42 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 28.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.54 ms. Allocated memory is still 58.7 MB. Free memory is still 28.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 136, 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 = __VERIFIER_nondet_float(); [L129] float y = 1.0f / 0.0f; [L111] __int32_t ix; VAL [one_fmod=1, Zero_fmod={9:0}] [L113] ieee_float_shape_type gf_u; [L114] gf_u.value = (x) [L115] EXPR gf_u.word [L115] (ix) = gf_u.word [L117] ix &= 0x7fffffff [L118] return (((ix) < 0x7f800000L)); VAL [one_fmod=1, Zero_fmod={9:0}] [L131] COND TRUE isfinite_float(x) [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] COND TRUE res != x VAL [one_fmod=1, Zero_fmod={9:0}] [L3] __assert_fail("0", "float_req_bl_1131a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 63 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=48occurred 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 15:11:18,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:11:18,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:11:18,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:11:18,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:11:18,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:11:18,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:11:18,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:11:18,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:11:18,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:11:18,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:11:18,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:11:18,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:11:18,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:11:18,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:11:18,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:11:18,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:11:18,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:11:18,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:11:18,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:11:18,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:11:18,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:11:18,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:11:18,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:11:18,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:11:18,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:11:18,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:11:18,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:11:18,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:11:18,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:11:18,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:11:18,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:11:18,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:11:18,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:11:18,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:11:18,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:11:18,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:11:18,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:11:18,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:11:18,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:11:18,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:11:18,756 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 15:11:18,782 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:11:18,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:11:18,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:11:18,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:11:18,785 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:11:18,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:11:18,786 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:11:18,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:11:18,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:11:18,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:11:18,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:11:18,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:11:18,787 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:11:18,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:11:18,788 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:11:18,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:11:18,789 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:11:18,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:11:18,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:11:18,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:11:18,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:11:18,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:11:18,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:11:18,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:11:18,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:11:18,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:11:18,792 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:11:18,792 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:11:18,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:11:18,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:11:18,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:11:18,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2712f99886fada4431f6b254797f3064cc19fae [2020-10-24 15:11:19,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:11:19,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:11:19,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:11:19,210 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:11:19,210 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:11:19,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2020-10-24 15:11:19,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15a479327/861f33de39f04e26a770fb13f6883144/FLAG2a817f205 [2020-10-24 15:11:19,906 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:11:19,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2020-10-24 15:11:19,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15a479327/861f33de39f04e26a770fb13f6883144/FLAG2a817f205 [2020-10-24 15:11:20,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15a479327/861f33de39f04e26a770fb13f6883144 [2020-10-24 15:11:20,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:11:20,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:11:20,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:20,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:11:20,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:11:20,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:20" (1/1) ... [2020-10-24 15:11:20,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea7526e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:20, skipping insertion in model container [2020-10-24 15:11:20,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:20" (1/1) ... [2020-10-24 15:11:20,294 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:11:20,329 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:11:20,557 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:20,575 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:11:20,627 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:20,652 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:11:20,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:20 WrapperNode [2020-10-24 15:11:20,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:20,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:11:20,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:11:20,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:11:20,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:20" (1/1) ... [2020-10-24 15:11:20,680 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:11:20,681 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:11:20,681 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:11:20,681 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:11:20,682 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:11:20,682 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:11:20,682 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:11:20,682 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:11:20,684 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 15:11:20,688 INFO L168 Benchmark]: Toolchain (without parser) took 419.79 ms. Allocated memory is still 56.6 MB. Free memory was 33.4 MB in the beginning and 31.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:20,689 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 44.0 MB. Free memory was 21.8 MB in the beginning and 21.8 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:20,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.68 ms. Allocated memory is still 56.6 MB. Free memory was 32.8 MB in the beginning and 32.7 MB in the end (delta: 81.3 kB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:20,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.36 ms. Allocated memory is still 56.6 MB. Free memory was 32.7 MB in the beginning and 31.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:20,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 44.0 MB. Free memory was 21.8 MB in the beginning and 21.8 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 379.68 ms. Allocated memory is still 56.6 MB. Free memory was 32.8 MB in the beginning and 32.7 MB in the end (delta: 81.3 kB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.36 ms. Allocated memory is still 56.6 MB. Free memory was 32.7 MB in the beginning and 31.6 MB in the end (delta: 1.1 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...