./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 ............................................................................................................................................................................................................................................................................................................... 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_1130a.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 .......................................................................................................................................................................................... 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 15:05:25,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:25,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:25,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:25,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:25,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:25,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:25,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:25,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:25,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:25,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:25,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:25,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:25,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:25,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:25,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:25,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:25,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:25,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:25,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:25,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:25,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:25,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:25,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:25,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:25,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:25,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:25,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:25,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:25,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:25,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:25,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:25,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:25,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:25,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:25,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:25,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:25,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:25,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:25,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:25,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:25,925 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 15:05:25,985 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:25,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:25,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:25,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:25,990 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:25,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:25,990 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:25,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:05:25,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:25,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:25,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:25,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:25,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:25,993 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:25,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:25,994 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:25,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:25,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:25,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:25,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:25,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:25,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:25,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:25,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:25,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:25,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:05:25,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:05:25,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:25,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:25,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 [2020-10-24 15:05:26,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:26,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:26,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:26,476 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:26,477 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:26,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-10-24 15:05:26,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd7dae711/3ef0c5a9ad9a40f6adcb666bdd3633e1/FLAGccddaa8a3 [2020-10-24 15:05:27,203 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:27,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-10-24 15:05:27,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd7dae711/3ef0c5a9ad9a40f6adcb666bdd3633e1/FLAGccddaa8a3 [2020-10-24 15:05:27,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd7dae711/3ef0c5a9ad9a40f6adcb666bdd3633e1 [2020-10-24 15:05:27,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:27,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:27,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:27,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:27,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:27,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:27" (1/1) ... [2020-10-24 15:05:27,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@165a2d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:27, skipping insertion in model container [2020-10-24 15:05:27,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:27" (1/1) ... [2020-10-24 15:05:27,602 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:27,651 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:27,942 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:27,952 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:28,011 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:28,043 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:28,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28 WrapperNode [2020-10-24 15:05:28,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:28,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:28,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:28,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:28,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (1/1) ... [2020-10-24 15:05:28,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (1/1) ... [2020-10-24 15:05:28,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:28,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:05:28,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:05:28,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:05:28,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (1/1) ... [2020-10-24 15:05:28,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (1/1) ... [2020-10-24 15:05:28,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (1/1) ... [2020-10-24 15:05:28,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (1/1) ... [2020-10-24 15:05:28,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (1/1) ... [2020-10-24 15:05:28,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (1/1) ... [2020-10-24 15:05:28,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (1/1) ... [2020-10-24 15:05:28,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:05:28,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:05:28,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:05:28,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:05:28,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (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 15:05:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:05:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:05:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:05:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:05:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:05:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:05:28,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:05:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:05:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 15:05:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:05:29,164 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:05:29,164 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-24 15:05:29,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:29 BoogieIcfgContainer [2020-10-24 15:05:29,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:05:29,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:05:29,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:05:29,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:05:29,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:05:27" (1/3) ... [2020-10-24 15:05:29,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30653815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:29, skipping insertion in model container [2020-10-24 15:05:29,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:28" (2/3) ... [2020-10-24 15:05:29,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30653815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:29, skipping insertion in model container [2020-10-24 15:05:29,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:29" (3/3) ... [2020-10-24 15:05:29,181 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2020-10-24 15:05:29,197 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:05:29,203 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:05:29,220 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:05:29,253 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:05:29,253 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:05:29,253 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:05:29,253 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:05:29,253 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:05:29,254 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:05:29,254 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:05:29,254 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:05:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-10-24 15:05:29,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:05:29,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:29,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:29,282 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:29,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:29,289 INFO L82 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2020-10-24 15:05:29,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:29,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210418264] [2020-10-24 15:05:29,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:05:29,464 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 15:05:29,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210418264] [2020-10-24 15:05:29,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:05:29,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:05:29,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267141251] [2020-10-24 15:05:29,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:05:29,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:05:29,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:05:29,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:05:29,491 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-10-24 15:05:29,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:05:29,521 INFO L93 Difference]: Finished difference Result 120 states and 209 transitions. [2020-10-24 15:05:29,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:05:29,523 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 15:05:29,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:05:29,535 INFO L225 Difference]: With dead ends: 120 [2020-10-24 15:05:29,536 INFO L226 Difference]: Without dead ends: 57 [2020-10-24 15:05:29,539 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 15:05:29,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-24 15:05:29,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-24 15:05:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-24 15:05:29,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2020-10-24 15:05:29,593 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2020-10-24 15:05:29,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:05:29,594 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2020-10-24 15:05:29,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:05:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2020-10-24 15:05:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 15:05:29,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:29,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:29,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:05:29,596 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:29,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:29,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2020-10-24 15:05:29,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:29,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57257526] [2020-10-24 15:05:29,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:29,710 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:29,801 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:29,832 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:05:29,832 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:05:29,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:05:29,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:05:29 BoogieIcfgContainer [2020-10-24 15:05:29,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:05:29,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:05:29,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:05:29,874 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:05:29,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:29" (3/4) ... [2020-10-24 15:05:29,878 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:05:29,878 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:05:29,881 INFO L168 Benchmark]: Toolchain (without parser) took 2313.55 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.7 MB in the beginning and 24.5 MB in the end (delta: -2.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:29,882 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 44.0 MB. Free memory is still 29.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:29,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.04 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 28.1 MB in the end (delta: -7.1 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:29,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.07 ms. Allocated memory is still 44.0 MB. Free memory was 28.1 MB in the beginning and 25.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:29,884 INFO L168 Benchmark]: Boogie Preprocessor took 100.16 ms. Allocated memory is still 44.0 MB. Free memory was 25.6 MB in the beginning and 23.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:29,885 INFO L168 Benchmark]: RCFGBuilder took 891.68 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 23.5 MB in the end (delta: -194.3 kB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:29,886 INFO L168 Benchmark]: TraceAbstraction took 703.48 ms. Allocated memory is still 54.5 MB. Free memory was 23.3 MB in the beginning and 25.2 MB in the end (delta: -1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:29,887 INFO L168 Benchmark]: Witness Printer took 5.39 ms. Allocated memory is still 54.5 MB. Free memory was 25.1 MB in the beginning and 24.5 MB in the end (delta: 553.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:29,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 44.0 MB. Free memory is still 29.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.04 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 28.1 MB in the end (delta: -7.1 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.07 ms. Allocated memory is still 44.0 MB. Free memory was 28.1 MB in the beginning and 25.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.16 ms. Allocated memory is still 44.0 MB. Free memory was 25.6 MB in the beginning and 23.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 891.68 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 23.5 MB in the end (delta: -194.3 kB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 703.48 ms. Allocated memory is still 54.5 MB. Free memory was 23.3 MB in the beginning and 25.2 MB in the end (delta: -1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.39 ms. Allocated memory is still 54.5 MB. Free memory was 25.1 MB in the beginning and 24.5 MB in the end (delta: 553.5 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 192, 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}] [L184] double x = 0.0; [L185] double y = __VERIFIER_nondet_double(); [L187] COND TRUE y < 0.0 || y > 0.0 [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}] [L189] double res = fmod_double(x, y); [L192] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_fmod=1, Zero_fmod={9:0}] [L192] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1130a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 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: 89 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=62occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:05:32,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:32,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:32,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:32,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:32,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:32,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:32,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:32,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:32,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:32,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:32,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:32,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:32,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:32,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:32,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:32,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:32,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:32,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:32,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:32,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:32,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:32,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:32,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:32,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:32,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:32,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:32,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:32,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:32,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:32,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:32,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:32,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:32,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:32,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:32,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:32,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:32,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:32,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:32,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:32,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:32,651 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 15:05:32,708 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:32,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:32,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:32,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:32,711 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:32,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:32,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:32,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:32,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:32,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:32,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:32,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:32,714 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:05:32,714 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:05:32,714 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:32,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:32,714 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:32,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:32,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:32,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:32,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:32,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:32,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:32,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:32,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:32,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:32,717 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:05:32,717 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:05:32,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:32,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:32,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:05:32,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 [2020-10-24 15:05:33,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:33,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:33,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:33,242 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:33,243 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:33,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-10-24 15:05:33,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11bd09578/e283cca92fbe49bfbba4dfb25a247428/FLAG6017f90c8 [2020-10-24 15:05:33,999 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:34,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-10-24 15:05:34,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11bd09578/e283cca92fbe49bfbba4dfb25a247428/FLAG6017f90c8 [2020-10-24 15:05:34,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11bd09578/e283cca92fbe49bfbba4dfb25a247428 [2020-10-24 15:05:34,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:34,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:34,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:34,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:34,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:34,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:34" (1/1) ... [2020-10-24 15:05:34,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c43dc99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:34, skipping insertion in model container [2020-10-24 15:05:34,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:34" (1/1) ... [2020-10-24 15:05:34,378 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:34,427 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:34,663 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:34,680 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:34,745 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:34,783 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:34,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:34 WrapperNode [2020-10-24 15:05:34,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:34,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:34,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:34,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:34,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:34" (1/1) ... [2020-10-24 15:05:34,810 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:34,811 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:05:34,811 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:05:34,811 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:05:34,812 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:34,812 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:05:34,812 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:05:34,812 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:05:34,814 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 15:05:34,818 INFO L168 Benchmark]: Toolchain (without parser) took 467.48 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 18.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:34,819 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory is still 20.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:34,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.26 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 19.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:34,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.11 ms. Allocated memory is still 46.1 MB. Free memory was 19.3 MB in the beginning and 18.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:34,824 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 is still 20.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.26 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 19.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.11 ms. Allocated memory is still 46.1 MB. Free memory was 19.3 MB in the beginning and 18.2 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...