./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1092a.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_1092a.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 031d18bfb1e842ee5acf1572aa68f5278b9a3fdf .................................................................................................................................................................................................................................................................................................... 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_1092a.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 031d18bfb1e842ee5acf1572aa68f5278b9a3fdf ........................................................................................................................................................................ 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 15:05:03,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:03,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:03,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:03,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:03,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:03,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:03,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:03,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:03,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:03,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:03,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:03,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:03,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:03,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:03,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:03,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:03,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:03,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:03,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:03,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:03,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:03,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:03,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:03,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:03,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:03,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:03,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:03,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:03,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:03,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:03,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:03,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:03,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:03,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:03,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:03,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:03,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:03,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:03,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:03,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:03,229 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 15:05:03,281 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:03,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:03,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:03,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:03,286 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:03,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:03,287 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:03,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:05:03,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:03,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:03,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:03,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:03,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:03,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:03,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:03,289 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:03,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:03,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:03,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:03,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:03,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:03,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:03,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:03,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:03,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:03,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:05:03,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:05:03,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:03,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:03,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 031d18bfb1e842ee5acf1572aa68f5278b9a3fdf [2020-10-24 15:05:03,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:03,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:03,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:03,757 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:03,758 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:03,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2020-10-24 15:05:03,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1879fdfcb/e3ebd7b9b0894173b036d70e30620087/FLAG2dffde642 [2020-10-24 15:05:04,505 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:04,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2020-10-24 15:05:04,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1879fdfcb/e3ebd7b9b0894173b036d70e30620087/FLAG2dffde642 [2020-10-24 15:05:04,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1879fdfcb/e3ebd7b9b0894173b036d70e30620087 [2020-10-24 15:05:04,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:04,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:04,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:04,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:04,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:04,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:04" (1/1) ... [2020-10-24 15:05:04,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3626cfa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:04, skipping insertion in model container [2020-10-24 15:05:04,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:04" (1/1) ... [2020-10-24 15:05:04,906 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:04,933 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:05,188 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:05,201 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:05,236 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:05,257 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:05,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05 WrapperNode [2020-10-24 15:05:05,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:05,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:05,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:05,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:05,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (1/1) ... [2020-10-24 15:05:05,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (1/1) ... [2020-10-24 15:05:05,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:05,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:05:05,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:05:05,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:05:05,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (1/1) ... [2020-10-24 15:05:05,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (1/1) ... [2020-10-24 15:05:05,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (1/1) ... [2020-10-24 15:05:05,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (1/1) ... [2020-10-24 15:05:05,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (1/1) ... [2020-10-24 15:05:05,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (1/1) ... [2020-10-24 15:05:05,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (1/1) ... [2020-10-24 15:05:05,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:05:05,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:05:05,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:05:05,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:05:05,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (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 15:05:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:05:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:05:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:05:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:05:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:05:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:05:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:05:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:05:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:05:06,087 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:05:06,088 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-24 15:05:06,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:06 BoogieIcfgContainer [2020-10-24 15:05:06,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:05:06,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:05:06,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:05:06,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:05:06,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:05:04" (1/3) ... [2020-10-24 15:05:06,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdb1db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:06, skipping insertion in model container [2020-10-24 15:05:06,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:05" (2/3) ... [2020-10-24 15:05:06,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdb1db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:06, skipping insertion in model container [2020-10-24 15:05:06,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:06" (3/3) ... [2020-10-24 15:05:06,100 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2020-10-24 15:05:06,114 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:05:06,121 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:05:06,135 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:05:06,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:05:06,165 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:05:06,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:05:06,166 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:05:06,166 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:05:06,166 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:05:06,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:05:06,167 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:05:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-10-24 15:05:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 15:05:06,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:06,191 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:06,192 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:06,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:06,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2020-10-24 15:05:06,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:06,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937500266] [2020-10-24 15:05:06,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:05:06,369 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 15:05:06,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937500266] [2020-10-24 15:05:06,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:05:06,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:05:06,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531427151] [2020-10-24 15:05:06,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:05:06,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:05:06,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:05:06,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:05:06,399 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-10-24 15:05:06,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:05:06,425 INFO L93 Difference]: Finished difference Result 65 states and 103 transitions. [2020-10-24 15:05:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:05:06,427 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 15:05:06,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:05:06,440 INFO L225 Difference]: With dead ends: 65 [2020-10-24 15:05:06,440 INFO L226 Difference]: Without dead ends: 30 [2020-10-24 15:05:06,444 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 15:05:06,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-24 15:05:06,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-24 15:05:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-24 15:05:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-10-24 15:05:06,490 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2020-10-24 15:05:06,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:05:06,491 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-10-24 15:05:06,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:05:06,492 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-10-24 15:05:06,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:05:06,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:06,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:06,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:05:06,494 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:06,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:06,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2020-10-24 15:05:06,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:06,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444677216] [2020-10-24 15:05:06,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:06,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:06,653 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:06,701 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:05:06,702 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:05:06,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:05:06,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:05:06 BoogieIcfgContainer [2020-10-24 15:05:06,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:05:06,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:05:06,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:05:06,760 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:05:06,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:06" (3/4) ... [2020-10-24 15:05:06,764 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:05:06,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:05:06,767 INFO L168 Benchmark]: Toolchain (without parser) took 1892.49 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 22.4 MB in the beginning and 40.5 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:06,769 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 23.6 MB in the beginning and 23.6 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:06,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.18 ms. Allocated memory is still 46.1 MB. Free memory was 21.8 MB in the beginning and 22.1 MB in the end (delta: -278.4 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:06,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.33 ms. Allocated memory is still 46.1 MB. Free memory was 22.1 MB in the beginning and 20.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:06,772 INFO L168 Benchmark]: Boogie Preprocessor took 40.26 ms. Allocated memory is still 46.1 MB. Free memory was 20.4 MB in the beginning and 18.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:06,773 INFO L168 Benchmark]: RCFGBuilder took 734.17 ms. Allocated memory is still 46.1 MB. Free memory was 18.9 MB in the beginning and 22.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:06,774 INFO L168 Benchmark]: TraceAbstraction took 666.41 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 22.4 MB in the beginning and 40.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:06,775 INFO L168 Benchmark]: Witness Printer took 5.84 ms. Allocated memory is still 58.7 MB. Free memory was 40.8 MB in the beginning and 40.5 MB in the end (delta: 303.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:06,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 23.6 MB in the beginning and 23.6 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.18 ms. Allocated memory is still 46.1 MB. Free memory was 21.8 MB in the beginning and 22.1 MB in the end (delta: -278.4 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.33 ms. Allocated memory is still 46.1 MB. Free memory was 22.1 MB in the beginning and 20.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.26 ms. Allocated memory is still 46.1 MB. Free memory was 20.4 MB in the beginning and 18.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 734.17 ms. Allocated memory is still 46.1 MB. Free memory was 18.9 MB in the beginning and 22.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 666.41 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 22.4 MB in the beginning and 40.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.84 ms. Allocated memory is still 58.7 MB. Free memory was 40.8 MB in the beginning and 40.5 MB in the end (delta: 303.7 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 93, overapproximation of shiftRight at line 43, overapproximation of bitwiseOr at line 44, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 97. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L93] double x = -0.0; [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L31] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L32] COND FALSE !(j0 < 0) [L43] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L44] COND TRUE ((i0 & i) | i1) == 0 [L45] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L3] __assert_fail("0", "double_req_bl_1092a.c", 3, "reach_error") VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 47 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=34occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 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 15:05:09,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:09,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:09,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:09,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:09,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:09,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:09,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:09,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:09,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:09,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:09,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:09,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:09,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:09,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:09,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:09,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:09,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:09,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:09,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:09,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:09,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:09,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:09,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:09,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:09,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:09,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:09,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:09,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:09,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:09,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:09,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:09,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:09,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:09,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:09,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:09,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:09,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:09,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:09,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:09,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:09,542 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 15:05:09,588 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:09,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:09,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:09,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:09,590 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:09,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:09,591 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:09,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:09,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:09,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:09,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:09,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:09,593 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:05:09,593 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:05:09,593 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:09,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:09,594 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:09,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:09,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:09,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:09,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:09,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:09,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:09,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:09,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:09,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:09,597 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:05:09,597 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:05:09,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:09,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:09,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:05:09,598 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 031d18bfb1e842ee5acf1572aa68f5278b9a3fdf [2020-10-24 15:05:10,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:10,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:10,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:10,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:10,072 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:10,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2020-10-24 15:05:10,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5f349b5e/6826c92d77614d76a9c03a9e534b3bc7/FLAGf2b058be4 [2020-10-24 15:05:10,748 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:10,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2020-10-24 15:05:10,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5f349b5e/6826c92d77614d76a9c03a9e534b3bc7/FLAGf2b058be4 [2020-10-24 15:05:11,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5f349b5e/6826c92d77614d76a9c03a9e534b3bc7 [2020-10-24 15:05:11,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:11,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:11,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:11,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:11,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:11,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:11" (1/1) ... [2020-10-24 15:05:11,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e051390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:11, skipping insertion in model container [2020-10-24 15:05:11,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:11" (1/1) ... [2020-10-24 15:05:11,142 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:11,190 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:11,442 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:11,468 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:11,506 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:11,538 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:11,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:11 WrapperNode [2020-10-24 15:05:11,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:11,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:11,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:11,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:11,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:11" (1/1) ... [2020-10-24 15:05:11,565 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:11,566 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:11,568 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 15:05:11,573 INFO L168 Benchmark]: Toolchain (without parser) took 479.52 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.8 MB in the beginning and 33.8 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:11,574 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 41.9 MB. Free memory was 27.3 MB in the beginning and 27.2 MB in the end (delta: 23.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:11,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.30 ms. Allocated memory is still 50.3 MB. Free memory was 34.7 MB in the beginning and 23.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:11,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.86 ms. Allocated memory is still 50.3 MB. Free memory was 23.0 MB in the beginning and 33.8 MB in the end (delta: -10.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:11,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 41.9 MB. Free memory was 27.3 MB in the beginning and 27.2 MB in the end (delta: 23.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 423.30 ms. Allocated memory is still 50.3 MB. Free memory was 34.7 MB in the beginning and 23.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.86 ms. Allocated memory is still 50.3 MB. Free memory was 23.0 MB in the beginning and 33.8 MB in the end (delta: -10.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 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...