./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0730c.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/float_req_bl_0730c.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 7f4671d452b9485f517a75db95b3d71f26ad2045 ............................................................................................................................................................................................................................................................................................... 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/float_req_bl_0730c.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 7f4671d452b9485f517a75db95b3d71f26ad2045 .............................................................................................................................................................................. 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 15:07:56,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:07:56,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:07:56,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:07:56,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:07:56,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:07:56,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:07:56,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:07:56,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:07:56,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:07:56,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:07:56,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:07:56,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:07:56,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:07:56,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:07:56,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:07:56,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:07:56,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:07:56,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:07:56,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:07:56,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:07:56,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:07:56,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:07:56,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:07:56,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:07:56,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:07:56,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:07:56,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:07:56,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:07:56,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:07:56,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:07:56,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:07:56,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:07:56,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:07:56,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:07:56,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:07:56,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:07:56,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:07:56,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:07:56,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:07:56,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:07:56,761 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 15:07:56,828 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:07:56,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:07:56,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:07:56,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:07:56,834 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:07:56,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:07:56,835 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:07:56,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:07:56,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:07:56,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:07:56,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:07:56,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:07:56,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:07:56,839 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:07:56,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:07:56,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:07:56,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:07:56,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:07:56,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:07:56,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:07:56,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:07:56,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:07:56,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:07:56,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:07:56,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:07:56,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:07:56,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:07:56,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:07:56,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:07:56,845 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f4671d452b9485f517a75db95b3d71f26ad2045 [2020-10-24 15:07:57,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:07:57,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:07:57,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:07:57,358 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:07:57,359 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:07:57,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c [2020-10-24 15:07:57,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fde709b6e/ee63b3d190ca49639aec092760f1b834/FLAG911d1f581 [2020-10-24 15:07:58,086 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:07:58,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0730c.c [2020-10-24 15:07:58,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fde709b6e/ee63b3d190ca49639aec092760f1b834/FLAG911d1f581 [2020-10-24 15:07:58,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fde709b6e/ee63b3d190ca49639aec092760f1b834 [2020-10-24 15:07:58,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:07:58,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:07:58,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:07:58,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:07:58,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:07:58,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f88ed4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58, skipping insertion in model container [2020-10-24 15:07:58,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,517 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:07:58,542 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:07:58,774 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:07:58,785 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:07:58,824 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:07:58,855 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:07:58,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58 WrapperNode [2020-10-24 15:07:58,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:07:58,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:07:58,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:07:58,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:07:58,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:07:58,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:07:58,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:07:58,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:07:58,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (1/1) ... [2020-10-24 15:07:58,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:07:58,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:07:58,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:07:58,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:07:58,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (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 15:07:59,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:07:59,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:07:59,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:07:59,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:07:59,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:07:59,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:07:59,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:07:59,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:07:59,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:07:59,602 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:07:59,602 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-24 15:07:59,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:07:59 BoogieIcfgContainer [2020-10-24 15:07:59,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:07:59,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:07:59,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:07:59,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:07:59,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:07:58" (1/3) ... [2020-10-24 15:07:59,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63daf6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:07:59, skipping insertion in model container [2020-10-24 15:07:59,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:58" (2/3) ... [2020-10-24 15:07:59,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63daf6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:07:59, skipping insertion in model container [2020-10-24 15:07:59,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:07:59" (3/3) ... [2020-10-24 15:07:59,615 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730c.c [2020-10-24 15:07:59,629 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:07:59,634 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:07:59,651 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:07:59,679 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:07:59,679 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:07:59,679 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:07:59,680 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:07:59,680 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:07:59,680 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:07:59,680 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:07:59,681 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:07:59,698 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-24 15:07:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 15:07:59,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:07:59,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:07:59,707 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:07:59,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:07:59,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1903716510, now seen corresponding path program 1 times [2020-10-24 15:07:59,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:07:59,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318793561] [2020-10-24 15:07:59,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:07:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:07:59,895 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 15:07:59,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318793561] [2020-10-24 15:07:59,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:07:59,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:07:59,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780997805] [2020-10-24 15:07:59,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:07:59,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:07:59,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:07:59,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:07:59,924 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2020-10-24 15:07:59,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:07:59,949 INFO L93 Difference]: Finished difference Result 73 states and 113 transitions. [2020-10-24 15:07:59,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:07:59,951 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 15:07:59,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:07:59,962 INFO L225 Difference]: With dead ends: 73 [2020-10-24 15:07:59,962 INFO L226 Difference]: Without dead ends: 34 [2020-10-24 15:07:59,966 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 15:07:59,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-24 15:08:00,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-10-24 15:08:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-24 15:08:00,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2020-10-24 15:08:00,011 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 9 [2020-10-24 15:08:00,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:08:00,011 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2020-10-24 15:08:00,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:08:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2020-10-24 15:08:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 15:08:00,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:08:00,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:08:00,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:08:00,014 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:08:00,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:08:00,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1484634303, now seen corresponding path program 1 times [2020-10-24 15:08:00,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:08:00,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650939527] [2020-10-24 15:08:00,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:08:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:08:00,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:08:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:08:00,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:08:00,133 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:08:00,134 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:08:00,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:08:00,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:08:00 BoogieIcfgContainer [2020-10-24 15:08:00,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:08:00,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:08:00,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:08:00,174 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:08:00,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:07:59" (3/4) ... [2020-10-24 15:08:00,179 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:08:00,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:08:00,183 INFO L168 Benchmark]: Toolchain (without parser) took 1702.43 ms. Allocated memory was 39.8 MB in the beginning and 54.5 MB in the end (delta: 14.7 MB). Free memory was 16.7 MB in the beginning and 21.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:00,184 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 24.7 MB in the beginning and 24.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:08:00,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.95 ms. Allocated memory was 39.8 MB in the beginning and 54.5 MB in the end (delta: 14.7 MB). Free memory was 25.1 MB in the beginning and 38.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:00,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.60 ms. Allocated memory is still 54.5 MB. Free memory was 38.0 MB in the beginning and 36.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:00,187 INFO L168 Benchmark]: Boogie Preprocessor took 34.01 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 34.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:00,188 INFO L168 Benchmark]: RCFGBuilder took 664.24 ms. Allocated memory is still 54.5 MB. Free memory was 34.8 MB in the beginning and 28.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:00,190 INFO L168 Benchmark]: TraceAbstraction took 566.69 ms. Allocated memory is still 54.5 MB. Free memory was 27.3 MB in the beginning and 21.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:00,190 INFO L168 Benchmark]: Witness Printer took 5.95 ms. Allocated memory is still 54.5 MB. Free memory was 21.7 MB in the beginning and 21.4 MB in the end (delta: 308.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:08:00,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 24.7 MB in the beginning and 24.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 359.95 ms. Allocated memory was 39.8 MB in the beginning and 54.5 MB in the end (delta: 14.7 MB). Free memory was 25.1 MB in the beginning and 38.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.60 ms. Allocated memory is still 54.5 MB. Free memory was 38.0 MB in the beginning and 36.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.01 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 34.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 664.24 ms. Allocated memory is still 54.5 MB. Free memory was 34.8 MB in the beginning and 28.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 566.69 ms. Allocated memory is still 54.5 MB. Free memory was 27.3 MB in the beginning and 21.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.95 ms. Allocated memory is still 54.5 MB. Free memory was 21.7 MB in the beginning and 21.4 MB in the end (delta: 308.6 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 bitwiseAnd at line 26, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 107, overapproximation of someUnaryFLOAT_SMToperation at line 103, overapproximation of someBinaryArithmeticFLOAT_SMToperation at line 29. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L103] float x = -0.0f; [L17] float z; [L18] __uint32_t r, hx; [L19] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L22] ieee_float_shape_type gf_u; [L23] gf_u.value = (x) [L24] EXPR gf_u.word [L24] (ix) = gf_u.word [L26] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L28] COND TRUE !((hx) < 0x7f800000L) [L29] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L104] float res = __ieee754_sqrtf(x); [L107] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L107] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L3] __assert_fail("0", "float_req_bl_0730c.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 48 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=38occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 15:08:02,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:08:02,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:08:02,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:08:02,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:08:02,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:08:02,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:08:02,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:08:02,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:08:02,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:08:02,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:08:02,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:08:02,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:08:02,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:08:02,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:08:02,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:08:02,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:08:02,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:08:02,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:08:02,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:08:02,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:08:02,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:08:02,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:08:02,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:08:02,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:08:02,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:08:02,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:08:02,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:08:02,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:08:02,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:08:02,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:08:02,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:08:02,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:08:02,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:08:02,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:08:02,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:08:02,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:08:02,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:08:02,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:08:02,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:08:02,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:08:02,976 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 15:08:03,003 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:08:03,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:08:03,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:08:03,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:08:03,006 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:08:03,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:08:03,007 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:08:03,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:08:03,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:08:03,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:08:03,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:08:03,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:08:03,009 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:08:03,009 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:08:03,009 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:08:03,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:08:03,010 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:08:03,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:08:03,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:08:03,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:08:03,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:08:03,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:08:03,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:08:03,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:08:03,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:08:03,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:08:03,013 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:08:03,014 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:08:03,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:08:03,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:08:03,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:08:03,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f4671d452b9485f517a75db95b3d71f26ad2045 [2020-10-24 15:08:03,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:08:03,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:08:03,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:08:03,488 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:08:03,489 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:08:03,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c [2020-10-24 15:08:03,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cc233e25/0ef702f3b4fa495f89f7134eb79b5c72/FLAG1a98cdf29 [2020-10-24 15:08:04,220 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:08:04,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0730c.c [2020-10-24 15:08:04,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cc233e25/0ef702f3b4fa495f89f7134eb79b5c72/FLAG1a98cdf29 [2020-10-24 15:08:04,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cc233e25/0ef702f3b4fa495f89f7134eb79b5c72 [2020-10-24 15:08:04,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:08:04,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:08:04,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:08:04,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:08:04,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:08:04,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:08:04" (1/1) ... [2020-10-24 15:08:04,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760a84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:08:04, skipping insertion in model container [2020-10-24 15:08:04,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:08:04" (1/1) ... [2020-10-24 15:08:04,585 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:08:04,612 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:08:04,841 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:08:04,872 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:08:04,909 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:08:04,943 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:08:04,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:08:04 WrapperNode [2020-10-24 15:08:04,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:08:04,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:08:04,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:08:04,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:08:04,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:08:04" (1/1) ... [2020-10-24 15:08:04,973 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:08:04,974 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:08:04,975 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:08:04,975 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:08:04,977 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 15:08:04,981 INFO L168 Benchmark]: Toolchain (without parser) took 424.01 ms. Allocated memory is still 50.3 MB. Free memory was 27.3 MB in the beginning and 24.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:04,983 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 39.8 MB. Free memory was 17.8 MB in the beginning and 17.8 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:08:04,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.85 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 25.7 MB in the end (delta: 930.5 kB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:04,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.58 ms. Allocated memory is still 50.3 MB. Free memory was 25.7 MB in the beginning and 24.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:04,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 39.8 MB. Free memory was 17.8 MB in the beginning and 17.8 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.85 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 25.7 MB in the end (delta: 930.5 kB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.58 ms. Allocated memory is still 50.3 MB. Free memory was 25.7 MB in the beginning and 24.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet8 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~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...