./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_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/double_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 4554d2f8799ffeb9d5e04122bbb0f9e816b3f3f5 ...................................................................................................................................................................................................................................................................................................................... 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_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 4554d2f8799ffeb9d5e04122bbb0f9e816b3f3f5 .......................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:05:29,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:29,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:29,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:29,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:29,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:29,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:29,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:29,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:29,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:29,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:29,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:29,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:29,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:29,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:29,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:29,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:29,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:29,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:29,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:29,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:29,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:29,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:29,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:29,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:29,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:29,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:29,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:29,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:29,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:29,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:29,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:29,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:29,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:29,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:29,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:29,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:29,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:29,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:29,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:29,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:29,170 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 15:05:29,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:29,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:29,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:29,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:29,208 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:29,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:29,209 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:29,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:05:29,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:29,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:29,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:29,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:29,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:29,211 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:29,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:29,212 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:29,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:29,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:29,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:29,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:29,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:29,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:29,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:29,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:29,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:29,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:05:29,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:05:29,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:29,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:29,218 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4554d2f8799ffeb9d5e04122bbb0f9e816b3f3f5 [2020-10-24 15:05:29,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:29,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:29,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:29,657 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:29,658 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:29,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2020-10-24 15:05:29,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a79aa7294/72806a2d3c6e4afc98c24567525bb2dc/FLAGd0e0bb193 [2020-10-24 15:05:30,336 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:30,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2020-10-24 15:05:30,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a79aa7294/72806a2d3c6e4afc98c24567525bb2dc/FLAGd0e0bb193 [2020-10-24 15:05:30,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a79aa7294/72806a2d3c6e4afc98c24567525bb2dc [2020-10-24 15:05:30,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:30,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:30,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:30,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:30,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:30,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:30" (1/1) ... [2020-10-24 15:05:30,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8628a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:30, skipping insertion in model container [2020-10-24 15:05:30,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:30" (1/1) ... [2020-10-24 15:05:30,757 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:30,805 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:31,056 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:31,073 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:31,167 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:31,189 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:31,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31 WrapperNode [2020-10-24 15:05:31,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:31,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:31,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:31,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:31,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:31,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:05:31,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:05:31,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:05:31,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (1/1) ... [2020-10-24 15:05:31,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:05:31,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:05:31,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:05:31,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:05:31,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (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 15:05:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:05:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:05:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:05:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:05:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:05:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:05:31,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:05:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:05:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 15:05:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:05:32,192 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:05:32,192 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-24 15:05:32,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:32 BoogieIcfgContainer [2020-10-24 15:05:32,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:05:32,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:05:32,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:05:32,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:05:32,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:05:30" (1/3) ... [2020-10-24 15:05:32,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df372ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:32, skipping insertion in model container [2020-10-24 15:05:32,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:31" (2/3) ... [2020-10-24 15:05:32,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df372ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:32, skipping insertion in model container [2020-10-24 15:05:32,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:32" (3/3) ... [2020-10-24 15:05:32,216 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a.c [2020-10-24 15:05:32,235 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:05:32,241 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:05:32,255 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:05:32,288 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:05:32,288 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:05:32,288 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:05:32,288 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:05:32,289 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:05:32,289 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:05:32,289 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:05:32,289 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:05:32,307 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-10-24 15:05:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 15:05:32,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:32,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:32,316 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:32,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:32,324 INFO L82 PathProgramCache]: Analyzing trace with hash 2036387893, now seen corresponding path program 1 times [2020-10-24 15:05:32,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:32,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198907070] [2020-10-24 15:05:32,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:05:32,519 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 15:05:32,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198907070] [2020-10-24 15:05:32,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:05:32,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:05:32,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132255151] [2020-10-24 15:05:32,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:05:32,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:05:32,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:05:32,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:05:32,546 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-10-24 15:05:32,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:05:32,573 INFO L93 Difference]: Finished difference Result 119 states and 207 transitions. [2020-10-24 15:05:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:05:32,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-10-24 15:05:32,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:05:32,587 INFO L225 Difference]: With dead ends: 119 [2020-10-24 15:05:32,587 INFO L226 Difference]: Without dead ends: 56 [2020-10-24 15:05:32,590 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 15:05:32,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-24 15:05:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-24 15:05:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-24 15:05:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2020-10-24 15:05:32,636 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 13 [2020-10-24 15:05:32,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:05:32,636 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2020-10-24 15:05:32,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:05:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-10-24 15:05:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 15:05:32,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:32,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:32,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:05:32,638 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:32,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:32,639 INFO L82 PathProgramCache]: Analyzing trace with hash -794890891, now seen corresponding path program 1 times [2020-10-24 15:05:32,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:32,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941394405] [2020-10-24 15:05:32,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:32,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:32,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:32,939 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:05:32,939 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:05:32,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:05:32,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:05:32 BoogieIcfgContainer [2020-10-24 15:05:32,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:05:32,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:05:32,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:05:32,984 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:05:32,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:32" (3/4) ... [2020-10-24 15:05:32,988 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:05:32,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:05:32,991 INFO L168 Benchmark]: Toolchain (without parser) took 2300.04 ms. Allocated memory was 46.1 MB in the beginning and 71.3 MB in the end (delta: 25.2 MB). Free memory was 22.6 MB in the beginning and 48.3 MB in the end (delta: -25.7 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:32,992 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 46.1 MB. Free memory was 28.5 MB in the beginning and 28.5 MB in the end (delta: 52.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:32,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.63 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 31.0 MB in the beginning and 39.8 MB in the end (delta: -8.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:32,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.36 ms. Allocated memory is still 58.7 MB. Free memory was 39.8 MB in the beginning and 37.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:32,995 INFO L168 Benchmark]: Boogie Preprocessor took 60.85 ms. Allocated memory is still 58.7 MB. Free memory was 37.0 MB in the beginning and 34.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:32,996 INFO L168 Benchmark]: RCFGBuilder took 858.12 ms. Allocated memory is still 58.7 MB. Free memory was 34.9 MB in the beginning and 32.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:32,997 INFO L168 Benchmark]: TraceAbstraction took 783.17 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 32.5 MB in the beginning and 48.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:32,998 INFO L168 Benchmark]: Witness Printer took 5.51 ms. Allocated memory is still 71.3 MB. Free memory was 48.7 MB in the beginning and 48.3 MB in the end (delta: 392.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:33,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 46.1 MB. Free memory was 28.5 MB in the beginning and 28.5 MB in the end (delta: 52.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 470.63 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 31.0 MB in the beginning and 39.8 MB in the end (delta: -8.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.36 ms. Allocated memory is still 58.7 MB. Free memory was 39.8 MB in the beginning and 37.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.85 ms. Allocated memory is still 58.7 MB. Free memory was 37.0 MB in the beginning and 34.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 858.12 ms. Allocated memory is still 58.7 MB. Free memory was 34.9 MB in the beginning and 32.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 783.17 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 32.5 MB in the beginning and 48.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.51 ms. Allocated memory is still 71.3 MB. Free memory was 48.7 MB in the beginning and 48.3 MB in the end (delta: 392.4 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 190, 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}] [L182] double y = 1.0 / 0.0; [L183] double x = __VERIFIER_nondet_double(); [L166] __int32_t hx; VAL [one_fmod=1, Zero_fmod={9:0}] [L168] ieee_double_shape_type gh_u; [L169] gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] (hx) = gh_u.parts.msw [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [one_fmod=1, Zero_fmod={9:0}] [L185] COND TRUE isfinite_double(x) [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}] [L187] double res = fmod_double(x, y); [L190] COND TRUE res != x VAL [one_fmod=1, Zero_fmod={9:0}] [L3] __assert_fail("0", "double_req_bl_1131a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:05:35,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:35,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:35,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:35,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:35,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:35,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:35,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:35,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:35,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:35,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:35,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:35,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:35,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:35,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:35,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:35,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:35,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:35,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:35,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:35,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:35,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:35,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:35,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:35,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:35,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:35,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:35,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:35,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:35,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:35,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:35,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:35,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:35,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:35,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:35,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:35,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:35,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:35,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:35,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:35,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:35,741 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 15:05:35,795 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:35,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:35,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:35,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:35,800 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:35,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:35,800 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:35,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:35,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:35,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:35,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:35,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:35,803 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:05:35,803 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:05:35,803 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:35,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:35,804 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:35,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:35,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:35,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:35,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:35,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:35,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:35,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:35,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:35,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:35,806 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:05:35,807 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:05:35,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:35,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:35,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:05:35,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4554d2f8799ffeb9d5e04122bbb0f9e816b3f3f5 [2020-10-24 15:05:36,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:36,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:36,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:36,308 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:36,309 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:36,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2020-10-24 15:05:36,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bdf81348/8534d3a745a44a42b7fac4980c79b5e3/FLAG7a5d4c94b [2020-10-24 15:05:37,151 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:37,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2020-10-24 15:05:37,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bdf81348/8534d3a745a44a42b7fac4980c79b5e3/FLAG7a5d4c94b [2020-10-24 15:05:37,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bdf81348/8534d3a745a44a42b7fac4980c79b5e3 [2020-10-24 15:05:37,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:37,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:37,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:37,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:37,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:37,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:37" (1/1) ... [2020-10-24 15:05:37,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20460130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:37, skipping insertion in model container [2020-10-24 15:05:37,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:37" (1/1) ... [2020-10-24 15:05:37,515 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:37,562 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:37,854 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:37,873 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:37,956 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:37,982 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:37,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:37 WrapperNode [2020-10-24 15:05:37,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:37,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:37,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:37,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:37,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:37" (1/1) ... [2020-10-24 15:05:38,004 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:38,005 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:05:38,005 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:05:38,006 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:05:38,006 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:38,006 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:05:38,007 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:05:38,007 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:05:38,009 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 15:05:38,013 INFO L168 Benchmark]: Toolchain (without parser) took 525.92 ms. Allocated memory is still 58.7 MB. Free memory was 35.2 MB in the beginning and 35.9 MB in the end (delta: -641.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:38,015 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 24.1 MB in the beginning and 24.0 MB in the end (delta: 24.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:38,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.11 ms. Allocated memory is still 58.7 MB. Free memory was 34.5 MB in the beginning and 37.1 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:38,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.87 ms. Allocated memory is still 58.7 MB. Free memory was 36.9 MB in the beginning and 35.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:38,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 24.1 MB in the beginning and 24.0 MB in the end (delta: 24.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 489.11 ms. Allocated memory is still 58.7 MB. Free memory was 34.5 MB in the beginning and 37.1 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 26.87 ms. Allocated memory is still 58.7 MB. Free memory was 36.9 MB in the beginning and 35.9 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...