./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 11:57:23,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 11:57:23,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 11:57:23,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 11:57:23,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 11:57:23,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 11:57:23,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 11:57:23,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 11:57:23,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 11:57:23,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 11:57:23,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 11:57:23,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 11:57:23,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 11:57:23,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 11:57:23,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 11:57:23,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 11:57:23,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 11:57:23,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 11:57:23,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 11:57:23,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 11:57:23,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 11:57:23,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 11:57:23,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 11:57:23,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 11:57:23,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 11:57:23,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 11:57:23,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 11:57:23,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 11:57:23,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 11:57:23,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 11:57:23,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 11:57:23,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 11:57:23,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 11:57:23,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 11:57:23,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 11:57:23,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 11:57:23,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 11:57:23,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 11:57:23,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 11:57:23,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 11:57:23,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 11:57:23,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 11:57:23,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 11:57:23,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 11:57:23,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 11:57:23,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 11:57:23,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 11:57:23,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 11:57:23,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 11:57:23,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 11:57:23,844 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 11:57:23,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 11:57:23,844 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 11:57:23,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 11:57:23,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 11:57:23,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 11:57:23,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 11:57:23,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 11:57:23,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 11:57:23,845 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 11:57:23,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 11:57:23,846 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 11:57:23,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 11:57:23,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 11:57:23,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 11:57:23,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 11:57:23,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:57:23,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 11:57:23,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 11:57:23,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 11:57:23,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 11:57:23,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 11:57:23,848 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 11:57:23,848 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 11:57:23,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 11:57:23,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 11:57:23,848 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d [2021-12-21 11:57:24,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 11:57:24,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 11:57:24,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 11:57:24,063 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 11:57:24,063 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 11:57:24,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2021-12-21 11:57:24,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b5e158ad/071cff29b15d4d3ca3477ab6adc7bfd5/FLAG399d4f4b8 [2021-12-21 11:57:24,500 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 11:57:24,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2021-12-21 11:57:24,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b5e158ad/071cff29b15d4d3ca3477ab6adc7bfd5/FLAG399d4f4b8 [2021-12-21 11:57:24,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b5e158ad/071cff29b15d4d3ca3477ab6adc7bfd5 [2021-12-21 11:57:24,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 11:57:24,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 11:57:24,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 11:57:24,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 11:57:24,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 11:57:24,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597a9bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24, skipping insertion in model container [2021-12-21 11:57:24,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 11:57:24,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 11:57:24,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2021-12-21 11:57:24,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:57:24,785 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 11:57:24,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2021-12-21 11:57:24,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:57:24,854 INFO L208 MainTranslator]: Completed translation [2021-12-21 11:57:24,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24 WrapperNode [2021-12-21 11:57:24,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 11:57:24,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 11:57:24,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 11:57:24,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 11:57:24,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,909 INFO L137 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 180 [2021-12-21 11:57:24,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:57:24,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:57:24,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:57:24,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:57:24,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:57:24,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:57:24,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:57:24,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:57:24,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (1/1) ... [2021-12-21 11:57:24,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:57:24,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:57:24,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 11:57:24,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 11:57:25,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:57:25,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 11:57:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 11:57:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-21 11:57:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 11:57:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-21 11:57:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:57:25,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:57:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 11:57:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 11:57:25,118 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:57:25,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:57:25,430 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 11:57:25,435 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 11:57:25,436 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-21 11:57:25,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:57:25 BoogieIcfgContainer [2021-12-21 11:57:25,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 11:57:25,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 11:57:25,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 11:57:25,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 11:57:25,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:57:24" (1/3) ... [2021-12-21 11:57:25,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6beb4d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:57:25, skipping insertion in model container [2021-12-21 11:57:25,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:24" (2/3) ... [2021-12-21 11:57:25,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6beb4d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:57:25, skipping insertion in model container [2021-12-21 11:57:25,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:57:25" (3/3) ... [2021-12-21 11:57:25,446 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730c.c [2021-12-21 11:57:25,450 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 11:57:25,451 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 11:57:25,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 11:57:25,492 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 11:57:25,493 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 11:57:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 52 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:57:25,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-21 11:57:25,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:57:25,510 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:57:25,510 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:57:25,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:57:25,515 INFO L85 PathProgramCache]: Analyzing trace with hash 361085180, now seen corresponding path program 1 times [2021-12-21 11:57:25,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:57:25,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531774739] [2021-12-21 11:57:25,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:57:25,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:57:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:57:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:57:25,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:57:25,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531774739] [2021-12-21 11:57:25,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531774739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:57:25,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:57:25,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 11:57:25,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475612772] [2021-12-21 11:57:25,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:57:25,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 11:57:25,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:57:25,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 11:57:25,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 11:57:25,680 INFO L87 Difference]: Start difference. First operand has 53 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 52 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:57:25,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:57:25,703 INFO L93 Difference]: Finished difference Result 104 states and 166 transitions. [2021-12-21 11:57:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 11:57:25,705 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-12-21 11:57:25,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:57:25,712 INFO L225 Difference]: With dead ends: 104 [2021-12-21 11:57:25,712 INFO L226 Difference]: Without dead ends: 50 [2021-12-21 11:57:25,715 INFO L932 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 [2021-12-21 11:57:25,719 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 11:57:25,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 11:57:25,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-12-21 11:57:25,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-12-21 11:57:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 49 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:57:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2021-12-21 11:57:25,798 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 8 [2021-12-21 11:57:25,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:57:25,799 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2021-12-21 11:57:25,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:57:25,799 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2021-12-21 11:57:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-21 11:57:25,800 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:57:25,800 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:57:25,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 11:57:25,802 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:57:25,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:57:25,805 INFO L85 PathProgramCache]: Analyzing trace with hash 331839487, now seen corresponding path program 1 times [2021-12-21 11:57:25,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:57:25,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122159613] [2021-12-21 11:57:25,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:57:25,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:57:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 11:57:25,852 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 11:57:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 11:57:25,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 11:57:25,910 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 11:57:25,923 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 11:57:25,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 11:57:25,928 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 11:57:25,933 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 11:57:25,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:57:25 BoogieIcfgContainer [2021-12-21 11:57:25,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 11:57:25,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 11:57:25,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 11:57:25,964 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 11:57:25,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:57:25" (3/4) ... [2021-12-21 11:57:25,968 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 11:57:25,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 11:57:25,970 INFO L158 Benchmark]: Toolchain (without parser) took 1437.61ms. Allocated memory is still 132.1MB. Free memory was 101.1MB in the beginning and 98.4MB in the end (delta: 2.6MB). Peak memory consumption was 616.9kB. Max. memory is 16.1GB. [2021-12-21 11:57:25,971 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:57:25,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.13ms. Allocated memory is still 132.1MB. Free memory was 100.8MB in the beginning and 104.5MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 11:57:25,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.22ms. Allocated memory is still 132.1MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:57:25,976 INFO L158 Benchmark]: Boogie Preprocessor took 52.87ms. Allocated memory is still 132.1MB. Free memory was 102.4MB in the beginning and 100.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:57:25,976 INFO L158 Benchmark]: RCFGBuilder took 474.53ms. Allocated memory is still 132.1MB. Free memory was 100.6MB in the beginning and 83.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 11:57:25,977 INFO L158 Benchmark]: TraceAbstraction took 523.08ms. Allocated memory is still 132.1MB. Free memory was 83.6MB in the beginning and 99.0MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:57:25,977 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 132.1MB. Free memory was 99.0MB in the beginning and 98.4MB in the end (delta: 585.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:57:25,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.13ms. Allocated memory is still 132.1MB. Free memory was 100.8MB in the beginning and 104.5MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.22ms. Allocated memory is still 132.1MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.87ms. Allocated memory is still 132.1MB. Free memory was 102.4MB in the beginning and 100.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.53ms. Allocated memory is still 132.1MB. Free memory was 100.6MB in the beginning and 83.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 523.08ms. Allocated memory is still 132.1MB. Free memory was 83.6MB in the beginning and 99.0MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 132.1MB. Free memory was 99.0MB in the beginning and 98.4MB in the end (delta: 585.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 156]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 155, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, 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] [L151] double x = 0.0; [L152] CALL, EXPR __ieee754_sqrt(x) [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 [\old(x)=0, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [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 [\old(x)=0, ix0=-1, ix1=4294967296, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L152] RET, EXPR __ieee754_sqrt(x) [L152] double res = __ieee754_sqrt(x); [L155] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_sqrt=1, res=4294967297, res == 0.0 && __signbit_double(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L155] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L156] reach_error() VAL [one_sqrt=1, res=4294967297, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 73 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=53occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 7 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 [2021-12-21 11:57:26,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 11:57:27,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 11:57:27,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 11:57:27,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 11:57:27,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 11:57:27,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 11:57:27,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 11:57:27,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 11:57:27,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 11:57:27,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 11:57:27,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 11:57:27,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 11:57:27,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 11:57:27,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 11:57:27,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 11:57:27,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 11:57:27,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 11:57:27,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 11:57:27,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 11:57:27,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 11:57:27,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 11:57:27,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 11:57:27,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 11:57:27,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 11:57:27,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 11:57:27,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 11:57:27,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 11:57:27,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 11:57:27,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 11:57:27,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 11:57:27,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 11:57:27,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 11:57:27,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 11:57:27,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 11:57:27,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 11:57:27,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 11:57:27,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 11:57:27,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 11:57:27,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 11:57:27,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 11:57:27,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 11:57:27,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 11:57:27,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 11:57:27,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 11:57:27,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 11:57:27,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 11:57:27,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 11:57:27,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 11:57:27,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 11:57:27,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 11:57:27,947 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 11:57:27,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 11:57:27,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 11:57:27,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 11:57:27,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 11:57:27,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 11:57:27,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 11:57:27,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 11:57:27,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 11:57:27,948 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 11:57:27,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 11:57:27,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 11:57:27,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 11:57:27,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 11:57:27,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 11:57:27,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 11:57:27,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 11:57:27,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 11:57:27,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:57:27,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 11:57:27,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 11:57:27,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 11:57:27,950 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 11:57:27,951 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 11:57:27,951 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 11:57:27,951 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 11:57:27,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 11:57:27,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 11:57:27,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 11:57:27,952 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d [2021-12-21 11:57:28,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 11:57:28,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 11:57:28,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 11:57:28,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 11:57:28,308 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 11:57:28,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2021-12-21 11:57:28,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3f6f900/81011a72c0f842ed96955a2970bcb99e/FLAG7ebcf8245 [2021-12-21 11:57:28,713 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 11:57:28,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2021-12-21 11:57:28,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3f6f900/81011a72c0f842ed96955a2970bcb99e/FLAG7ebcf8245 [2021-12-21 11:57:29,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3f6f900/81011a72c0f842ed96955a2970bcb99e [2021-12-21 11:57:29,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 11:57:29,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 11:57:29,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 11:57:29,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 11:57:29,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 11:57:29,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3400caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29, skipping insertion in model container [2021-12-21 11:57:29,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 11:57:29,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 11:57:29,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2021-12-21 11:57:29,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:57:29,324 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 11:57:29,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2021-12-21 11:57:29,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:57:29,429 INFO L208 MainTranslator]: Completed translation [2021-12-21 11:57:29,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29 WrapperNode [2021-12-21 11:57:29,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 11:57:29,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 11:57:29,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 11:57:29,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 11:57:29,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,486 INFO L137 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 180 [2021-12-21 11:57:29,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:57:29,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:57:29,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:57:29,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:57:29,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:57:29,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:57:29,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:57:29,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:57:29,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:57:29" (1/1) ... [2021-12-21 11:57:29,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:57:29,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:57:29,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 11:57:29,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 11:57:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:57:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-21 11:57:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-21 11:57:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 11:57:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 11:57:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 11:57:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:57:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:57:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 11:57:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 11:57:29,718 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:57:29,719 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:57:31,731 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: Not a regular bitvector operator with bitvector result: bvshl at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.notSimplified(BitvectorUtils.java:296) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplify_NonConstantCase(BitvectorUtils.java:291) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplifiedResult(BitvectorUtils.java:286) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils.termWithLocalSimplification(BitvectorUtils.java:217) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1490) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:405) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateToTerm(Expression2Term.java:120) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.addAssignment(Statements2TransFormula.java:288) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:703) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:733) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) 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:151) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 11:57:31,734 INFO L158 Benchmark]: Toolchain (without parser) took 2624.98ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 30.1MB in the beginning and 43.9MB in the end (delta: -13.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-12-21 11:57:31,734 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 52.4MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:57:31,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.17ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.9MB in the beginning and 44.5MB in the end (delta: -14.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-12-21 11:57:31,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.59ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 42.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:57:31,735 INFO L158 Benchmark]: Boogie Preprocessor took 60.08ms. Allocated memory is still 62.9MB. Free memory was 42.3MB in the beginning and 40.5MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 11:57:31,736 INFO L158 Benchmark]: RCFGBuilder took 2183.32ms. Allocated memory is still 62.9MB. Free memory was 40.5MB in the beginning and 43.9MB in the end (delta: -3.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-12-21 11:57:31,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 52.4MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.17ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.9MB in the beginning and 44.5MB in the end (delta: -14.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.59ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 42.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.08ms. Allocated memory is still 62.9MB. Free memory was 42.3MB in the beginning and 40.5MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2183.32ms. Allocated memory is still 62.9MB. Free memory was 40.5MB in the beginning and 43.9MB in the end (delta: -3.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: Not a regular bitvector operator with bitvector result: bvshl: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 11:57:31,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl