./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1122a.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 3a0740a185a491545b0a653a1a7a9df9d4659bae .............................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1122a.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 3a0740a185a491545b0a653a1a7a9df9d4659bae .......................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:05:17,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:17,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:18,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:18,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:18,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:18,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:18,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:18,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:18,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:18,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:18,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:18,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:18,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:18,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:18,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:18,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:18,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:18,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:18,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:18,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:18,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:18,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:18,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:18,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:18,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:18,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:18,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:18,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:18,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:18,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:18,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:18,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:18,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:18,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:18,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:18,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:18,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:18,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:18,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:18,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:18,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:05:18,132 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:18,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:18,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:18,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:18,135 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:18,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:18,136 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:18,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:05:18,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:18,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:18,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:18,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:18,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:18,138 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:18,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:18,138 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:18,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:18,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:18,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:18,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:18,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:18,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:18,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:18,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:18,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:18,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:05:18,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:05:18,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:18,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:18,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0740a185a491545b0a653a1a7a9df9d4659bae [2020-10-24 15:05:18,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:18,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:18,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:18,614 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:18,617 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:18,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-10-24 15:05:18,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c71fefac/c358083ec45c442195deedae64b487b2/FLAGd26c43f4c [2020-10-24 15:05:19,356 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:19,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-10-24 15:05:19,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c71fefac/c358083ec45c442195deedae64b487b2/FLAGd26c43f4c [2020-10-24 15:05:19,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c71fefac/c358083ec45c442195deedae64b487b2 [2020-10-24 15:05:19,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:19,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:19,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:19,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:19,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:19,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:19" (1/1) ... [2020-10-24 15:05:19,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6664f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:19, skipping insertion in model container [2020-10-24 15:05:19,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:19" (1/1) ... [2020-10-24 15:05:19,792 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:19,834 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:20,069 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:20,079 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:20,140 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:20,160 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:20,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20 WrapperNode [2020-10-24 15:05:20,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:20,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:20,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:20,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:20,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (1/1) ... [2020-10-24 15:05:20,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (1/1) ... [2020-10-24 15:05:20,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:20,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:05:20,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:05:20,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:05:20,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (1/1) ... [2020-10-24 15:05:20,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (1/1) ... [2020-10-24 15:05:20,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (1/1) ... [2020-10-24 15:05:20,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (1/1) ... [2020-10-24 15:05:20,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (1/1) ... [2020-10-24 15:05:20,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (1/1) ... [2020-10-24 15:05:20,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (1/1) ... [2020-10-24 15:05:20,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:05:20,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:05:20,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:05:20,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:05:20,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:05:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:05:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:05:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:05:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:05:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:05:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:05:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:05:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 15:05:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:05:21,072 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:05:21,072 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-24 15:05:21,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:21 BoogieIcfgContainer [2020-10-24 15:05:21,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:05:21,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:05:21,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:05:21,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:05:21,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:05:19" (1/3) ... [2020-10-24 15:05:21,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a94cceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:21, skipping insertion in model container [2020-10-24 15:05:21,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:20" (2/3) ... [2020-10-24 15:05:21,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a94cceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:21, skipping insertion in model container [2020-10-24 15:05:21,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:21" (3/3) ... [2020-10-24 15:05:21,084 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2020-10-24 15:05:21,094 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:05:21,100 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:05:21,114 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:05:21,142 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:05:21,142 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:05:21,143 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:05:21,143 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:05:21,143 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:05:21,143 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:05:21,143 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:05:21,143 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:05:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-10-24 15:05:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 15:05:21,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:21,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:21,167 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:21,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:21,174 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2020-10-24 15:05:21,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:21,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932782541] [2020-10-24 15:05:21,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:05:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:05:21,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932782541] [2020-10-24 15:05:21,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:05:21,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:05:21,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474624806] [2020-10-24 15:05:21,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:05:21,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:05:21,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:05:21,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:05:21,398 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-10-24 15:05:21,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:05:21,431 INFO L93 Difference]: Finished difference Result 109 states and 191 transitions. [2020-10-24 15:05:21,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:05:21,435 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 15:05:21,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:05:21,446 INFO L225 Difference]: With dead ends: 109 [2020-10-24 15:05:21,447 INFO L226 Difference]: Without dead ends: 52 [2020-10-24 15:05:21,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:05:21,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-24 15:05:21,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-24 15:05:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-24 15:05:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2020-10-24 15:05:21,519 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2020-10-24 15:05:21,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:05:21,520 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2020-10-24 15:05:21,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:05:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2020-10-24 15:05:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:05:21,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:21,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:21,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:05:21,524 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:21,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:21,526 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2020-10-24 15:05:21,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:21,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486748682] [2020-10-24 15:05:21,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:21,666 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:21,787 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:21,841 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:05:21,843 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:05:21,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:05:21,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:05:21 BoogieIcfgContainer [2020-10-24 15:05:21,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:05:21,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:05:21,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:05:21,916 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:05:21,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:21" (3/4) ... [2020-10-24 15:05:21,920 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:05:21,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:05:21,927 INFO L168 Benchmark]: Toolchain (without parser) took 2184.77 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 22.7 MB in the beginning and 46.4 MB in the end (delta: -23.7 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:21,929 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 46.1 MB. Free memory was 28.3 MB in the beginning and 28.3 MB in the end (delta: 22.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:21,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.33 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 31.0 MB in the beginning and 37.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:21,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.17 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 35.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:21,933 INFO L168 Benchmark]: Boogie Preprocessor took 81.29 ms. Allocated memory is still 56.6 MB. Free memory was 35.3 MB in the beginning and 33.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:21,935 INFO L168 Benchmark]: RCFGBuilder took 734.15 ms. Allocated memory is still 56.6 MB. Free memory was 33.2 MB in the beginning and 31.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:21,937 INFO L168 Benchmark]: TraceAbstraction took 837.32 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 46.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:21,939 INFO L168 Benchmark]: Witness Printer took 6.10 ms. Allocated memory is still 69.2 MB. Free memory was 46.7 MB in the beginning and 46.4 MB in the end (delta: 356.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:21,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 46.1 MB. Free memory was 28.3 MB in the beginning and 28.3 MB in the end (delta: 22.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 399.33 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 31.0 MB in the beginning and 37.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.17 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 35.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.29 ms. Allocated memory is still 56.6 MB. Free memory was 35.3 MB in the beginning and 33.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 734.15 ms. Allocated memory is still 56.6 MB. Free memory was 33.2 MB in the beginning and 31.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 837.32 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 46.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Witness Printer took 6.10 ms. Allocated memory is still 69.2 MB. Free memory was 46.7 MB in the beginning and 46.4 MB in the end (delta: 356.7 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 22, overapproximation of bitwiseOr at line 46, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 47, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 18, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L172] double x = 1.0 / 0.0; [L173] double y = __VERIFIER_nondet_double(); [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={9:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L174] double res = fmod_double(x, y); [L18] return x != x; VAL [one_fmod=1, Zero_fmod={9:0}] [L177] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_1122a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 81 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=56occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:05:24,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:24,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:24,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:24,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:24,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:24,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:24,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:24,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:24,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:24,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:24,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:24,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:24,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:24,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:24,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:24,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:24,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:24,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:24,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:24,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:24,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:24,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:24,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:24,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:24,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:24,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:24,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:24,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:24,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:24,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:24,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:24,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:24,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:24,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:24,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:24,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:24,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:24,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:24,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:24,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:24,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:05:24,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:24,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:24,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:24,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:24,803 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:24,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:24,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:24,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:24,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:24,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:24,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:24,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:24,805 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:05:24,805 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:05:24,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:24,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:24,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:24,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:24,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:24,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:24,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:24,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:24,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:24,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:24,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:24,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:24,808 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:05:24,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:05:24,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:24,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:24,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:05:24,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0740a185a491545b0a653a1a7a9df9d4659bae [2020-10-24 15:05:25,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:25,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:25,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:25,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:25,270 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:25,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-10-24 15:05:25,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8507a3a4a/03fb4475d64e42a3a081b34f08cca6da/FLAGcfda2b4fd [2020-10-24 15:05:26,113 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:26,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-10-24 15:05:26,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8507a3a4a/03fb4475d64e42a3a081b34f08cca6da/FLAGcfda2b4fd [2020-10-24 15:05:26,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8507a3a4a/03fb4475d64e42a3a081b34f08cca6da [2020-10-24 15:05:26,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:26,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:26,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:26,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:26,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:26,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:26" (1/1) ... [2020-10-24 15:05:26,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fea449b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:26, skipping insertion in model container [2020-10-24 15:05:26,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:26" (1/1) ... [2020-10-24 15:05:26,493 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:26,541 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:26,776 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:26,820 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:26,954 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:26,986 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:26,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:26 WrapperNode [2020-10-24 15:05:26,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:26,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:26,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:26,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:27,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:26" (1/1) ... [2020-10-24 15:05:27,037 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:27,039 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:05:27,039 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:05:27,040 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:05:27,041 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:27,042 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:05:27,042 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:05:27,042 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:05:27,049 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner has thrown an exception: java.lang.AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.checkExistingDeclarationInformation(TypeChecker.java:340) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckLeftHandSide(TypeChecker.java:360) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckStatement(TypeChecker.java:781) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckBlock(TypeChecker.java:846) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processBody(TypeChecker.java:957) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processImplementation(TypeChecker.java:1033) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.process(TypeChecker.java:1120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 15:05:27,062 INFO L168 Benchmark]: Toolchain (without parser) took 628.34 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.8 MB in the beginning and 37.8 MB in the end (delta: -17.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:27,064 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 44.0 MB. Free memory was 21.9 MB in the beginning and 21.8 MB in the end (delta: 52.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:27,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.35 ms. Allocated memory is still 54.5 MB. Free memory was 39.7 MB in the beginning and 25.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:27,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.56 ms. Allocated memory is still 54.5 MB. Free memory was 25.2 MB in the beginning and 37.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:27,075 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 44.0 MB. Free memory was 21.9 MB in the beginning and 21.8 MB in the end (delta: 52.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 531.35 ms. Allocated memory is still 54.5 MB. Free memory was 39.7 MB in the beginning and 25.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.56 ms. Allocated memory is still 54.5 MB. Free memory was 25.2 MB in the beginning and 37.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~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...