./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0740.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_0740.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 755a3cc6a0c274616c745647082171c18148354d ................................................................................................................................................................................................................................................................................................ 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_0740.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 755a3cc6a0c274616c745647082171c18148354d .............................................................................................................................................................................. 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 15:02:52,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:02:52,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:02:52,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:02:52,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:02:52,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:02:52,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:02:52,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:02:52,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:02:52,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:02:52,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:02:52,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:02:52,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:02:52,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:02:52,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:02:52,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:02:52,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:02:52,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:02:52,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:02:52,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:02:52,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:02:52,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:02:52,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:02:52,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:02:52,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:02:52,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:02:52,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:02:52,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:02:52,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:02:52,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:02:52,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:02:52,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:02:52,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:02:52,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:02:52,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:02:52,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:02:52,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:02:52,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:02:52,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:02:52,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:02:52,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:02:52,622 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 15:02:52,689 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:02:52,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:02:52,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:02:52,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:02:52,694 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:02:52,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:02:52,695 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:02:52,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:02:52,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:02:52,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:02:52,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:02:52,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:02:52,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:02:52,698 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:02:52,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:02:52,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:02:52,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:02:52,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:02:52,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:02:52,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:02:52,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:02:52,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:02:52,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:02:52,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:02:52,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:02:52,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:02:52,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:02:52,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:02:52,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:02:52,703 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 755a3cc6a0c274616c745647082171c18148354d [2020-10-24 15:02:53,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:02:53,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:02:53,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:02:53,201 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:02:53,202 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:02:53,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-10-24 15:02:53,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e3adcaa6/58b26d1ad8a249c8a3eb27d38a4043b0/FLAG055f70e03 [2020-10-24 15:02:54,065 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:02:54,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-10-24 15:02:54,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e3adcaa6/58b26d1ad8a249c8a3eb27d38a4043b0/FLAG055f70e03 [2020-10-24 15:02:54,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e3adcaa6/58b26d1ad8a249c8a3eb27d38a4043b0 [2020-10-24 15:02:54,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:02:54,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:02:54,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:02:54,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:02:54,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:02:54,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ad4e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54, skipping insertion in model container [2020-10-24 15:02:54,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,469 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:02:54,516 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:02:54,819 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:02:54,829 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:02:54,872 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:02:54,890 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:02:54,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54 WrapperNode [2020-10-24 15:02:54,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:02:54,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:02:54,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:02:54,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:02:54,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:02:54,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:02:54,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:02:54,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:02:54,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:54,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:55,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:55,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (1/1) ... [2020-10-24 15:02:55,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:02:55,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:02:55,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:02:55,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:02:55,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (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 15:02:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:02:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:02:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:02:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:02:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:02:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:02:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:02:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:02:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:02:55,597 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:02:55,598 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-24 15:02:55,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:02:55 BoogieIcfgContainer [2020-10-24 15:02:55,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:02:55,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:02:55,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:02:55,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:02:55,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:02:54" (1/3) ... [2020-10-24 15:02:55,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0b7a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:02:55, skipping insertion in model container [2020-10-24 15:02:55,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:54" (2/3) ... [2020-10-24 15:02:55,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0b7a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:02:55, skipping insertion in model container [2020-10-24 15:02:55,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:02:55" (3/3) ... [2020-10-24 15:02:55,611 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2020-10-24 15:02:55,625 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:02:55,630 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:02:55,645 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:02:55,695 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:02:55,695 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:02:55,695 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:02:55,695 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:02:55,696 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:02:55,696 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:02:55,696 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:02:55,696 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:02:55,715 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2020-10-24 15:02:55,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-24 15:02:55,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:02:55,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:02:55,723 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:02:55,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:02:55,731 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2020-10-24 15:02:55,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:02:55,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375976911] [2020-10-24 15:02:55,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:02:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:02:55,947 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 15:02:55,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375976911] [2020-10-24 15:02:55,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:02:55,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:02:55,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759698477] [2020-10-24 15:02:55,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:02:55,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:02:55,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:02:55,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:02:55,977 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2020-10-24 15:02:56,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:02:56,004 INFO L93 Difference]: Finished difference Result 97 states and 153 transitions. [2020-10-24 15:02:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:02:56,006 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-24 15:02:56,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:02:56,017 INFO L225 Difference]: With dead ends: 97 [2020-10-24 15:02:56,017 INFO L226 Difference]: Without dead ends: 46 [2020-10-24 15:02:56,021 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 15:02:56,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-24 15:02:56,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-24 15:02:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-24 15:02:56,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-10-24 15:02:56,066 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2020-10-24 15:02:56,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:02:56,066 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-10-24 15:02:56,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:02:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-10-24 15:02:56,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 15:02:56,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:02:56,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:02:56,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:02:56,068 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:02:56,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:02:56,069 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2020-10-24 15:02:56,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:02:56,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716329104] [2020-10-24 15:02:56,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:02:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:02:56,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:02:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:02:56,174 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:02:56,226 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:02:56,227 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:02:56,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:02:56,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:02:56 BoogieIcfgContainer [2020-10-24 15:02:56,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:02:56,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:02:56,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:02:56,287 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:02:56,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:02:55" (3/4) ... [2020-10-24 15:02:56,292 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:02:56,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:02:56,297 INFO L168 Benchmark]: Toolchain (without parser) took 1906.56 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 19.9 MB in the beginning and 44.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 747.3 kB. Max. memory is 16.1 GB. [2020-10-24 15:02:56,299 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 44.0 MB. Free memory was 29.7 MB in the beginning and 29.6 MB in the end (delta: 22.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:02:56,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.26 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.2 MB in the beginning and 26.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:56,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.02 ms. Allocated memory is still 54.5 MB. Free memory was 26.6 MB in the beginning and 24.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:56,304 INFO L168 Benchmark]: Boogie Preprocessor took 78.10 ms. Allocated memory is still 54.5 MB. Free memory was 24.5 MB in the beginning and 36.3 MB in the end (delta: -11.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:56,305 INFO L168 Benchmark]: RCFGBuilder took 570.51 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 25.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:56,307 INFO L168 Benchmark]: TraceAbstraction took 683.58 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.1 MB in the beginning and 45.0 MB in the end (delta: -19.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:56,309 INFO L168 Benchmark]: Witness Printer took 5.63 ms. Allocated memory is still 67.1 MB. Free memory was 45.0 MB in the beginning and 44.6 MB in the end (delta: 377.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:02:56,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 44.0 MB. Free memory was 29.7 MB in the beginning and 29.6 MB in the end (delta: 22.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 493.26 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.2 MB in the beginning and 26.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.02 ms. Allocated memory is still 54.5 MB. Free memory was 26.6 MB in the beginning and 24.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.10 ms. Allocated memory is still 54.5 MB. Free memory was 24.5 MB in the beginning and 36.3 MB in the end (delta: -11.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 570.51 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 25.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 683.58 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.1 MB in the beginning and 45.0 MB in the end (delta: -19.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.63 ms. Allocated memory is still 67.1 MB. Free memory was 45.0 MB in the beginning and 44.6 MB in the end (delta: 377.8 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 someBinaryArithmeticDOUBLE_SMToperation at line 35, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 132, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] double x = -1.0 / 0.0; [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (ix1) = ew_u.parts.lsw [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L142] double res = __ieee754_sqrt(x); [L132] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L145] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_0740.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 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: 68 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=50occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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 15:02:59,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:02:59,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:02:59,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:02:59,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:02:59,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:02:59,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:02:59,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:02:59,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:02:59,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:02:59,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:02:59,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:02:59,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:02:59,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:02:59,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:02:59,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:02:59,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:02:59,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:02:59,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:02:59,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:02:59,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:02:59,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:02:59,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:02:59,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:02:59,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:02:59,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:02:59,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:02:59,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:02:59,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:02:59,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:02:59,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:02:59,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:02:59,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:02:59,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:02:59,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:02:59,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:02:59,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:02:59,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:02:59,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:02:59,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:02:59,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:02:59,110 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 15:02:59,172 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:02:59,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:02:59,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:02:59,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:02:59,177 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:02:59,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:02:59,178 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:02:59,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:02:59,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:02:59,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:02:59,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:02:59,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:02:59,181 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:02:59,181 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:02:59,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:02:59,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:02:59,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:02:59,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:02:59,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:02:59,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:02:59,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:02:59,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:02:59,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:02:59,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:02:59,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:02:59,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:02:59,186 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:02:59,186 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:02:59,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:02:59,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:02:59,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:02:59,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 755a3cc6a0c274616c745647082171c18148354d [2020-10-24 15:02:59,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:02:59,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:02:59,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:02:59,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:02:59,686 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:02:59,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-10-24 15:02:59,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b889bbef/45d13225a2994f73a050e8f48ac24013/FLAG1e04785a9 [2020-10-24 15:03:00,457 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:03:00,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-10-24 15:03:00,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b889bbef/45d13225a2994f73a050e8f48ac24013/FLAG1e04785a9 [2020-10-24 15:03:00,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b889bbef/45d13225a2994f73a050e8f48ac24013 [2020-10-24 15:03:00,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:03:00,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:03:00,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:00,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:03:00,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:03:00,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:00" (1/1) ... [2020-10-24 15:03:00,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea081d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:00, skipping insertion in model container [2020-10-24 15:03:00,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:00" (1/1) ... [2020-10-24 15:03:00,851 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:03:00,873 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:03:01,122 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:01,141 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:03:01,190 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:01,222 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:03:01,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:01 WrapperNode [2020-10-24 15:03:01,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:01,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:01,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:03:01,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:03:01,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:01" (1/1) ... [2020-10-24 15:03:01,247 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:03:01,248 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:03:01,249 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:03:01,249 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:03:01,251 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 15:03:01,256 INFO L168 Benchmark]: Toolchain (without parser) took 429.81 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.5 MB in the beginning and 33.3 MB in the end (delta: -13.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:01,257 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 41.9 MB. Free memory is still 29.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:01,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.46 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.9 MB in the beginning and 34.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:01,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.14 ms. Allocated memory is still 50.3 MB. Free memory was 34.3 MB in the beginning and 33.3 MB in the end (delta: 986.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:01,262 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 41.9 MB. Free memory is still 29.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 391.46 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.9 MB in the beginning and 34.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.14 ms. Allocated memory is still 50.3 MB. Free memory was 34.3 MB in the beginning and 33.3 MB in the end (delta: 986.3 kB). 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~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet8 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...