./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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_0730a.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 f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 10:13:54,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 10:13:54,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 10:13:54,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 10:13:54,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 10:13:54,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 10:13:54,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 10:13:54,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 10:13:54,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 10:13:54,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 10:13:54,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 10:13:54,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 10:13:54,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 10:13:54,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 10:13:54,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 10:13:54,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 10:13:54,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 10:13:54,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 10:13:54,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 10:13:54,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 10:13:54,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 10:13:54,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 10:13:54,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 10:13:54,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 10:13:54,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 10:13:54,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 10:13:54,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 10:13:54,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 10:13:54,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 10:13:54,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 10:13:54,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 10:13:54,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 10:13:54,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 10:13:54,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 10:13:54,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 10:13:54,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 10:13:54,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 10:13:54,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 10:13:54,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 10:13:54,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 10:13:54,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 10:13:54,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 10:13:54,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 10:13:54,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 10:13:54,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 10:13:54,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 10:13:54,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 10:13:54,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 10:13:54,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 10:13:54,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 10:13:54,840 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 10:13:54,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 10:13:54,841 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 10:13:54,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 10:13:54,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 10:13:54,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 10:13:54,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 10:13:54,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 10:13:54,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 10:13:54,842 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 10:13:54,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 10:13:54,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 10:13:54,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 10:13:54,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 10:13:54,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 10:13:54,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 10:13:54,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 10:13:54,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 10:13:54,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 10:13:54,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 10:13:54,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 10:13:54,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 10:13:54,845 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 10:13:54,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 10:13:54,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 10:13:54,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 10:13:54,845 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 [2021-12-22 10:13:55,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 10:13:55,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 10:13:55,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 10:13:55,058 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 10:13:55,058 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 10:13:55,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2021-12-22 10:13:55,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077b4141e/da6288ddbba54f1c8a4bafecb657f722/FLAG016c22010 [2021-12-22 10:13:55,496 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 10:13:55,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2021-12-22 10:13:55,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077b4141e/da6288ddbba54f1c8a4bafecb657f722/FLAG016c22010 [2021-12-22 10:13:55,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077b4141e/da6288ddbba54f1c8a4bafecb657f722 [2021-12-22 10:13:55,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 10:13:55,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 10:13:55,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 10:13:55,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 10:13:55,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 10:13:55,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:13:55" (1/1) ... [2021-12-22 10:13:55,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12108721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:55, skipping insertion in model container [2021-12-22 10:13:55,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:13:55" (1/1) ... [2021-12-22 10:13:55,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 10:13:55,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 10:13:56,061 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_0730a.c[3437,3450] [2021-12-22 10:13:56,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 10:13:56,069 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 10:13:56,095 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_0730a.c[3437,3450] [2021-12-22 10:13:56,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 10:13:56,106 INFO L208 MainTranslator]: Completed translation [2021-12-22 10:13:56,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56 WrapperNode [2021-12-22 10:13:56,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 10:13:56,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 10:13:56,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 10:13:56,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 10:13:56,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (1/1) ... [2021-12-22 10:13:56,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (1/1) ... [2021-12-22 10:13:56,148 INFO L137 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 182 [2021-12-22 10:13:56,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 10:13:56,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 10:13:56,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 10:13:56,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 10:13:56,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (1/1) ... [2021-12-22 10:13:56,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (1/1) ... [2021-12-22 10:13:56,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (1/1) ... [2021-12-22 10:13:56,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (1/1) ... [2021-12-22 10:13:56,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (1/1) ... [2021-12-22 10:13:56,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (1/1) ... [2021-12-22 10:13:56,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (1/1) ... [2021-12-22 10:13:56,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 10:13:56,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 10:13:56,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 10:13:56,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 10:13:56,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (1/1) ... [2021-12-22 10:13:56,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 10:13:56,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 10:13:56,230 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) [2021-12-22 10:13:56,242 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 [2021-12-22 10:13:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 10:13:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 10:13:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 10:13:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-22 10:13:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 10:13:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-22 10:13:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 10:13:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 10:13:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 10:13:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 10:13:56,348 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 10:13:56,350 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 10:13:56,644 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 10:13:56,650 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 10:13:56,651 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-22 10:13:56,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:13:56 BoogieIcfgContainer [2021-12-22 10:13:56,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 10:13:56,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 10:13:56,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 10:13:56,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 10:13:56,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 10:13:55" (1/3) ... [2021-12-22 10:13:56,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b54bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:13:56, skipping insertion in model container [2021-12-22 10:13:56,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:13:56" (2/3) ... [2021-12-22 10:13:56,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b54bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:13:56, skipping insertion in model container [2021-12-22 10:13:56,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:13:56" (3/3) ... [2021-12-22 10:13:56,662 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2021-12-22 10:13:56,667 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 10:13:56,667 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 10:13:56,710 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 10:13:56,717 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 [2021-12-22 10:13:56,718 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 10:13:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.64) internal successors, (82), 51 states have internal predecessors, (82), 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) [2021-12-22 10:13:56,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-22 10:13:56,752 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:13:56,753 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:13:56,754 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:13:56,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:13:56,759 INFO L85 PathProgramCache]: Analyzing trace with hash -898135563, now seen corresponding path program 1 times [2021-12-22 10:13:56,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 10:13:56,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637834845] [2021-12-22 10:13:56,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:13:56,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 10:13:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:13:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:13:56,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 10:13:56,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637834845] [2021-12-22 10:13:56,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637834845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:13:56,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:13:56,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 10:13:56,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028571794] [2021-12-22 10:13:56,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:13:56,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-22 10:13:56,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 10:13:56,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-22 10:13:56,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-22 10:13:56,931 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.64) internal successors, (82), 51 states have internal predecessors, (82), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-22 10:13:56,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:13:56,950 INFO L93 Difference]: Finished difference Result 102 states and 162 transitions. [2021-12-22 10:13:56,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 10:13:56,952 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-12-22 10:13:56,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:13:56,986 INFO L225 Difference]: With dead ends: 102 [2021-12-22 10:13:56,997 INFO L226 Difference]: Without dead ends: 49 [2021-12-22 10:13:56,999 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 [2021-12-22 10:13:57,002 INFO L933 BasicCegarLoop]: 71 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, 71 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 [2021-12-22 10:13:57,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 10:13:57,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-12-22 10:13:57,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-12-22 10:13:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 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) [2021-12-22 10:13:57,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2021-12-22 10:13:57,030 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 68 transitions. Word has length 10 [2021-12-22 10:13:57,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:13:57,030 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 68 transitions. [2021-12-22 10:13:57,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-22 10:13:57,031 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2021-12-22 10:13:57,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-22 10:13:57,031 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:13:57,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:13:57,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 10:13:57,032 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:13:57,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:13:57,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1657561708, now seen corresponding path program 1 times [2021-12-22 10:13:57,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 10:13:57,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966223610] [2021-12-22 10:13:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:13:57,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 10:13:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 10:13:57,116 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 10:13:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 10:13:57,212 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 10:13:57,213 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-22 10:13:57,215 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 10:13:57,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 10:13:57,221 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-22 10:13:57,226 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 10:13:57,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 10:13:57 BoogieIcfgContainer [2021-12-22 10:13:57,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 10:13:57,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 10:13:57,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 10:13:57,246 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 10:13:57,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:13:56" (3/4) ... [2021-12-22 10:13:57,250 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 10:13:57,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 10:13:57,252 INFO L158 Benchmark]: Toolchain (without parser) took 1354.44ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 84.2MB in the end (delta: 8.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-12-22 10:13:57,252 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 10:13:57,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.78ms. Allocated memory is still 121.6MB. Free memory was 92.8MB in the beginning and 80.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-22 10:13:57,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.25ms. Allocated memory is still 121.6MB. Free memory was 80.5MB in the beginning and 78.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 10:13:57,254 INFO L158 Benchmark]: Boogie Preprocessor took 45.40ms. Allocated memory is still 121.6MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 10:13:57,255 INFO L158 Benchmark]: RCFGBuilder took 457.64ms. Allocated memory is still 121.6MB. Free memory was 76.3MB in the beginning and 58.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-22 10:13:57,257 INFO L158 Benchmark]: TraceAbstraction took 590.42ms. Allocated memory is still 121.6MB. Free memory was 58.5MB in the beginning and 84.3MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 10:13:57,257 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 121.6MB. Free memory was 84.3MB in the beginning and 84.2MB in the end (delta: 96.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 10:13:57,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.78ms. Allocated memory is still 121.6MB. Free memory was 92.8MB in the beginning and 80.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.25ms. Allocated memory is still 121.6MB. Free memory was 80.5MB in the beginning and 78.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.40ms. Allocated memory is still 121.6MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.64ms. Allocated memory is still 121.6MB. Free memory was 76.3MB in the beginning and 58.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 590.42ms. Allocated memory is still 121.6MB. Free memory was 58.5MB in the beginning and 84.3MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 121.6MB. Free memory was 84.3MB in the beginning and 84.2MB in the end (delta: 96.1kB). There was no memory consumed. 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: 162]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 144, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38, overapproximation of bitwiseAnd at line 143. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L157] double x = 1.0 / 0.0; [L158] CALL, EXPR __ieee754_sqrt(x) [L25] double z; [L26] __int32_t sign = 0x80000000; [L27] __uint32_t r, t1, s1, ix1, q1; [L28] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=8589934591, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934591] [L31] ieee_double_shape_type ew_u; [L32] ew_u.value = (x) [L33] EXPR ew_u.parts.msw [L33] (ix0) = ew_u.parts.msw [L34] EXPR ew_u.parts.lsw [L34] (ix1) = ew_u.parts.lsw [L37] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L38] return x * x + x; VAL [\old(x)=8589934591, ix0=0, ix1=8589934592, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934591] [L158] RET, EXPR __ieee754_sqrt(x) [L158] double res = __ieee754_sqrt(x); [L161] CALL, EXPR isinf_double(res) [L136] __int32_t hx, lx; VAL [\old(x)=8589934593, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934593] [L138] ieee_double_shape_type ew_u; [L139] ew_u.value = (x) [L140] EXPR ew_u.parts.msw [L140] (hx) = ew_u.parts.msw [L141] EXPR ew_u.parts.lsw [L141] (lx) = ew_u.parts.lsw [L143] hx &= 0x7fffffff [L144] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L145] hx = 0x7ff00000 - hx [L146] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=8589934593, \result=0, hx=2146435073, lx=-1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934593] [L161] RET, EXPR isinf_double(res) [L161] COND TRUE !isinf_double(res) [L162] reach_error() VAL [one_sqrt=1, res=8589934593, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934591] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 71 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, 71 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=52occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2021-12-22 10:13:57,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_0730a.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 f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 10:13:59,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 10:13:59,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 10:13:59,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 10:13:59,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 10:13:59,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 10:13:59,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 10:13:59,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 10:13:59,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 10:13:59,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 10:13:59,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 10:13:59,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 10:13:59,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 10:13:59,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 10:13:59,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 10:13:59,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 10:13:59,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 10:13:59,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 10:13:59,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 10:13:59,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 10:13:59,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 10:13:59,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 10:13:59,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 10:13:59,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 10:13:59,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 10:13:59,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 10:13:59,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 10:13:59,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 10:13:59,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 10:13:59,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 10:13:59,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 10:13:59,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 10:13:59,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 10:13:59,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 10:13:59,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 10:13:59,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 10:13:59,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 10:13:59,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 10:13:59,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 10:13:59,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 10:13:59,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 10:13:59,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-22 10:13:59,253 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 10:13:59,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 10:13:59,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 10:13:59,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 10:13:59,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 10:13:59,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 10:13:59,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 10:13:59,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 10:13:59,257 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 10:13:59,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 10:13:59,258 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 10:13:59,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 10:13:59,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 10:13:59,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 10:13:59,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 10:13:59,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 10:13:59,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 10:13:59,259 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 10:13:59,260 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 10:13:59,260 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 10:13:59,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 10:13:59,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 10:13:59,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 10:13:59,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 10:13:59,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 10:13:59,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 10:13:59,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 10:13:59,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 10:13:59,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 10:13:59,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 10:13:59,270 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 10:13:59,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 10:13:59,270 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 10:13:59,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 10:13:59,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 10:13:59,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 10:13:59,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 10:13:59,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 [2021-12-22 10:13:59,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 10:13:59,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 10:13:59,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 10:13:59,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 10:13:59,567 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 10:13:59,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2021-12-22 10:13:59,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e46fe2c0/ef61175ca7cf4ffb92f1481e55b95b2f/FLAGf40d5f491 [2021-12-22 10:14:00,084 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 10:14:00,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2021-12-22 10:14:00,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e46fe2c0/ef61175ca7cf4ffb92f1481e55b95b2f/FLAGf40d5f491 [2021-12-22 10:14:00,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e46fe2c0/ef61175ca7cf4ffb92f1481e55b95b2f [2021-12-22 10:14:00,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 10:14:00,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 10:14:00,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 10:14:00,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 10:14:00,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 10:14:00,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2645aabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00, skipping insertion in model container [2021-12-22 10:14:00,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 10:14:00,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 10:14:00,278 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_0730a.c[3437,3450] [2021-12-22 10:14:00,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 10:14:00,306 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 10:14:00,400 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_0730a.c[3437,3450] [2021-12-22 10:14:00,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 10:14:00,428 INFO L208 MainTranslator]: Completed translation [2021-12-22 10:14:00,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00 WrapperNode [2021-12-22 10:14:00,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 10:14:00,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 10:14:00,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 10:14:00,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 10:14:00,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,490 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 182 [2021-12-22 10:14:00,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 10:14:00,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 10:14:00,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 10:14:00,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 10:14:00,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 10:14:00,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 10:14:00,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 10:14:00,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 10:14:00,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (1/1) ... [2021-12-22 10:14:00,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 10:14:00,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 10:14:00,585 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) [2021-12-22 10:14:00,589 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 [2021-12-22 10:14:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 10:14:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-22 10:14:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-22 10:14:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-22 10:14:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 10:14:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-22 10:14:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 10:14:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 10:14:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-22 10:14:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 10:14:00,709 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 10:14:00,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 10:14:02,961 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 10:14:02,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 10:14:02,966 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-22 10:14:02,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:14:02 BoogieIcfgContainer [2021-12-22 10:14:02,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 10:14:02,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 10:14:02,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 10:14:02,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 10:14:02,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 10:14:00" (1/3) ... [2021-12-22 10:14:02,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588ffa48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:14:02, skipping insertion in model container [2021-12-22 10:14:02,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:14:00" (2/3) ... [2021-12-22 10:14:02,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588ffa48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:14:02, skipping insertion in model container [2021-12-22 10:14:02,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:14:02" (3/3) ... [2021-12-22 10:14:02,977 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2021-12-22 10:14:02,981 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 10:14:02,982 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 10:14:03,013 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 10:14:03,018 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 [2021-12-22 10:14:03,019 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 10:14:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.64) internal successors, (82), 51 states have internal predecessors, (82), 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) [2021-12-22 10:14:03,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-22 10:14:03,034 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:14:03,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:14:03,035 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:14:03,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:14:03,039 INFO L85 PathProgramCache]: Analyzing trace with hash -898135563, now seen corresponding path program 1 times [2021-12-22 10:14:03,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 10:14:03,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215551729] [2021-12-22 10:14:03,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:14:03,048 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 10:14:03,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 10:14:03,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 10:14:03,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-22 10:14:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:14:03,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-22 10:14:03,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 10:14:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:14:03,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 10:14:03,492 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 10:14:03,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215551729] [2021-12-22 10:14:03,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215551729] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:14:03,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:14:03,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 10:14:03,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382906759] [2021-12-22 10:14:03,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:14:03,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-22 10:14:03,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 10:14:03,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-22 10:14:03,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-22 10:14:03,566 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.64) internal successors, (82), 51 states have internal predecessors, (82), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-22 10:14:03,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:14:03,595 INFO L93 Difference]: Finished difference Result 102 states and 162 transitions. [2021-12-22 10:14:03,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 10:14:03,597 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-12-22 10:14:03,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:14:03,605 INFO L225 Difference]: With dead ends: 102 [2021-12-22 10:14:03,606 INFO L226 Difference]: Without dead ends: 49 [2021-12-22 10:14:03,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-22 10:14:03,612 INFO L933 BasicCegarLoop]: 71 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, 71 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 [2021-12-22 10:14:03,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 10:14:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-12-22 10:14:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-12-22 10:14:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 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) [2021-12-22 10:14:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2021-12-22 10:14:03,657 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 68 transitions. Word has length 10 [2021-12-22 10:14:03,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:14:03,657 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 68 transitions. [2021-12-22 10:14:03,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-22 10:14:03,658 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2021-12-22 10:14:03,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-22 10:14:03,659 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:14:03,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:14:03,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-22 10:14:03,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 10:14:03,873 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:14:03,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:14:03,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1657561708, now seen corresponding path program 1 times [2021-12-22 10:14:03,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 10:14:03,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348193083] [2021-12-22 10:14:03,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:14:03,875 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 10:14:03,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 10:14:03,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 10:14:03,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-22 10:14:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:14:04,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-22 10:14:04,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 10:14:04,704 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2021-12-22 10:14:05,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:14:05,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 10:14:05,324 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 10:14:05,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348193083] [2021-12-22 10:14:05,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348193083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:14:05,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:14:05,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 10:14:05,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346443362] [2021-12-22 10:14:05,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:14:05,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 10:14:05,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 10:14:05,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 10:14:05,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-22 10:14:05,326 INFO L87 Difference]: Start difference. First operand 49 states and 68 transitions. Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-12-22 10:14:08,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:14:08,209 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2021-12-22 10:14:08,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 10:14:08,209 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 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 12 [2021-12-22 10:14:08,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:14:08,210 INFO L225 Difference]: With dead ends: 57 [2021-12-22 10:14:08,210 INFO L226 Difference]: Without dead ends: 49 [2021-12-22 10:14:08,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-12-22 10:14:08,211 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 134 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-22 10:14:08,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 346 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 32 Unchecked, 2.5s Time] [2021-12-22 10:14:08,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-12-22 10:14:08,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-12-22 10:14:08,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 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) [2021-12-22 10:14:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 66 transitions. [2021-12-22 10:14:08,217 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 66 transitions. Word has length 12 [2021-12-22 10:14:08,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:14:08,217 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 66 transitions. [2021-12-22 10:14:08,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-12-22 10:14:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2021-12-22 10:14:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-22 10:14:08,217 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:14:08,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:14:08,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-22 10:14:08,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 10:14:08,421 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:14:08,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:14:08,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2126658577, now seen corresponding path program 1 times [2021-12-22 10:14:08,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 10:14:08,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179678208] [2021-12-22 10:14:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:14:08,422 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 10:14:08,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 10:14:08,424 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 10:14:08,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-22 10:14:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:14:09,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-22 10:14:09,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 10:14:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:14:09,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 10:14:09,574 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 10:14:09,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179678208] [2021-12-22 10:14:09,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179678208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:14:09,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:14:09,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 10:14:09,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434690006] [2021-12-22 10:14:09,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:14:09,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 10:14:09,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 10:14:09,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 10:14:09,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 10:14:09,576 INFO L87 Difference]: Start difference. First operand 49 states and 66 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-12-22 10:14:09,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:14:09,577 INFO L93 Difference]: Finished difference Result 49 states and 66 transitions. [2021-12-22 10:14:09,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 10:14:09,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2021-12-22 10:14:09,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:14:09,578 INFO L225 Difference]: With dead ends: 49 [2021-12-22 10:14:09,578 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 10:14:09,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 10:14:09,579 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 10:14:09,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 2 Unchecked, 0.0s Time] [2021-12-22 10:14:09,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 10:14:09,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 10:14:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-12-22 10:14:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 10:14:09,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-12-22 10:14:09,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:14:09,582 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 10:14:09,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-12-22 10:14:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 10:14:09,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 10:14:09,585 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 10:14:09,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-22 10:14:09,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 10:14:09,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 10:14:10,095 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-12-22 10:14:10,095 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 10:14:10,095 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 10:14:10,095 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 164) no Hoare annotation was computed. [2021-12-22 10:14:10,095 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 96) no Hoare annotation was computed. [2021-12-22 10:14:10,095 INFO L858 garLoopResultBuilder]: For program point L95-2(lines 95 96) no Hoare annotation was computed. [2021-12-22 10:14:10,095 INFO L854 garLoopResultBuilder]: At program point L87-2(lines 87 103) the Hoare annotation is: false [2021-12-22 10:14:10,096 INFO L858 garLoopResultBuilder]: For program point L87-3(lines 24 132) no Hoare annotation was computed. [2021-12-22 10:14:10,096 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 117) no Hoare annotation was computed. [2021-12-22 10:14:10,096 INFO L858 garLoopResultBuilder]: For program point L137-1(lines 137 142) no Hoare annotation was computed. [2021-12-22 10:14:10,096 INFO L854 garLoopResultBuilder]: At program point L137-2(lines 137 142) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) .cse1)))) (and (= |ULTIMATE.start___ieee754_sqrt_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= .cse0 |ULTIMATE.start_isinf_double_~x#1|) (= |ULTIMATE.start___ieee754_sqrt_#res#1| .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2021-12-22 10:14:10,096 INFO L858 garLoopResultBuilder]: For program point L137-3(lines 137 142) no Hoare annotation was computed. [2021-12-22 10:14:10,096 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-12-22 10:14:10,096 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 66) no Hoare annotation was computed. [2021-12-22 10:14:10,096 INFO L858 garLoopResultBuilder]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2021-12-22 10:14:10,096 INFO L858 garLoopResultBuilder]: For program point L63-2(lines 63 66) no Hoare annotation was computed. [2021-12-22 10:14:10,096 INFO L854 garLoopResultBuilder]: At program point L30-2(lines 30 35) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_sqrt_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-22 10:14:10,096 INFO L858 garLoopResultBuilder]: For program point L30-3(lines 24 132) no Hoare annotation was computed. [2021-12-22 10:14:10,097 INFO L858 garLoopResultBuilder]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2021-12-22 10:14:10,097 INFO L854 garLoopResultBuilder]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2021-12-22 10:14:10,097 INFO L858 garLoopResultBuilder]: For program point L55-4(lines 55 56) no Hoare annotation was computed. [2021-12-22 10:14:10,098 INFO L854 garLoopResultBuilder]: At program point L146(lines 135 147) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (bvadd (_ bv1 32) (bvneg (bvlshr (let ((.cse0 (bvadd (bvneg (bvor (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32)) (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)))) (_ bv2146435072 32)))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32)))) |ULTIMATE.start_isinf_double_#res#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (let ((.cse2 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 .cse2) .cse2))))) [2021-12-22 10:14:10,098 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-12-22 10:14:10,098 INFO L858 garLoopResultBuilder]: For program point L113-2(lines 113 114) no Hoare annotation was computed. [2021-12-22 10:14:10,098 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 119) no Hoare annotation was computed. [2021-12-22 10:14:10,098 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed. [2021-12-22 10:14:10,098 INFO L858 garLoopResultBuilder]: For program point L122-2(lines 122 123) no Hoare annotation was computed. [2021-12-22 10:14:10,098 INFO L854 garLoopResultBuilder]: At program point L131(lines 24 132) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_sqrt_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_sqrt_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-22 10:14:10,099 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 10:14:10,099 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 99) no Hoare annotation was computed. [2021-12-22 10:14:10,099 INFO L858 garLoopResultBuilder]: For program point L90-2(lines 90 99) no Hoare annotation was computed. [2021-12-22 10:14:10,099 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 162) no Hoare annotation was computed. [2021-12-22 10:14:10,099 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-12-22 10:14:10,099 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2021-12-22 10:14:10,099 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 118) no Hoare annotation was computed. [2021-12-22 10:14:10,100 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 46) no Hoare annotation was computed. [2021-12-22 10:14:10,100 INFO L854 garLoopResultBuilder]: At program point L74-2(lines 74 84) the Hoare annotation is: false [2021-12-22 10:14:10,100 INFO L858 garLoopResultBuilder]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2021-12-22 10:14:10,100 INFO L858 garLoopResultBuilder]: For program point L74-3(lines 74 84) no Hoare annotation was computed. [2021-12-22 10:14:10,100 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 10:14:10,100 INFO L854 garLoopResultBuilder]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2021-12-22 10:14:10,100 INFO L858 garLoopResultBuilder]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2021-12-22 10:14:10,100 INFO L858 garLoopResultBuilder]: For program point L42(lines 42 45) no Hoare annotation was computed. [2021-12-22 10:14:10,101 INFO L861 garLoopResultBuilder]: At program point L166(lines 149 167) the Hoare annotation is: true [2021-12-22 10:14:10,101 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-12-22 10:14:10,101 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2021-12-22 10:14:10,101 INFO L854 garLoopResultBuilder]: At program point L125-2(lines 125 130) the Hoare annotation is: false [2021-12-22 10:14:10,101 INFO L858 garLoopResultBuilder]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2021-12-22 10:14:10,101 INFO L858 garLoopResultBuilder]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2021-12-22 10:14:10,101 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2021-12-22 10:14:10,101 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-12-22 10:14:10,101 INFO L858 garLoopResultBuilder]: For program point L76-2(lines 76 80) no Hoare annotation was computed. [2021-12-22 10:14:10,104 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-22 10:14:10,105 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 10:14:10,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-22 10:14:10,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-22 10:14:10,112 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,115 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-22 10:14:10,116 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-22 10:14:10,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,120 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,120 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,122 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,122 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,122 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,123 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,123 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,123 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,123 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,123 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,125 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,125 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,125 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,125 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,125 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,125 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,125 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,126 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,126 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,126 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,126 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,127 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,127 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,127 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,127 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,127 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,129 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,129 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,129 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,129 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,129 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,131 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,131 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,131 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,131 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,131 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,131 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,131 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,132 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,132 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,132 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 10:14:10 BoogieIcfgContainer [2021-12-22 10:14:10,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 10:14:10,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 10:14:10,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 10:14:10,134 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 10:14:10,134 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:14:02" (3/4) ... [2021-12-22 10:14:10,137 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 10:14:10,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-12-22 10:14:10,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-22 10:14:10,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 10:14:10,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 10:14:10,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-22 10:14:10,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-22 10:14:10,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-22 10:14:10,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~bvadd64(1bv32, ~bvneg32(~bvlshr32(~bvor32(~bvadd64(~bvneg32(~bvor32(~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_7[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_7[31:0])), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_7[63:32]))), 2146435072bv32), ~bvneg32(~bvadd64(~bvneg32(~bvor32(~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_7[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_7[31:0])), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_7[63:32]))), 2146435072bv32))), 31bv32))) == \result && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) [2021-12-22 10:14:10,185 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 10:14:10,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 10:14:10,186 INFO L158 Benchmark]: Toolchain (without parser) took 10073.36ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 35.3MB in the beginning and 33.2MB in the end (delta: 2.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-12-22 10:14:10,187 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 10:14:10,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.40ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 35.1MB in the beginning and 52.4MB in the end (delta: -17.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-12-22 10:14:10,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.01ms. Allocated memory is still 71.3MB. Free memory was 52.2MB in the beginning and 50.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 10:14:10,188 INFO L158 Benchmark]: Boogie Preprocessor took 62.09ms. Allocated memory is still 71.3MB. Free memory was 50.2MB in the beginning and 48.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 10:14:10,188 INFO L158 Benchmark]: RCFGBuilder took 2413.74ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 49.0MB in the end (delta: -590.8kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-22 10:14:10,189 INFO L158 Benchmark]: TraceAbstraction took 7163.50ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 37.4MB in the end (delta: 11.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-12-22 10:14:10,189 INFO L158 Benchmark]: Witness Printer took 52.27ms. Allocated memory is still 71.3MB. Free memory was 37.4MB in the beginning and 33.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 10:14:10,191 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 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.40ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 35.1MB in the beginning and 52.4MB in the end (delta: -17.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.01ms. Allocated memory is still 71.3MB. Free memory was 52.2MB in the beginning and 50.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.09ms. Allocated memory is still 71.3MB. Free memory was 50.2MB in the beginning and 48.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2413.74ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 49.0MB in the end (delta: -590.8kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7163.50ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 37.4MB in the end (delta: 11.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Witness Printer took 52.27ms. Allocated memory is still 71.3MB. Free memory was 37.4MB in the beginning and 33.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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 - PositiveResult [Line: 162]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 423 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 34 IncrementalHoareTripleChecker+Unchecked, 292 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 131 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 15 NumberOfFragments, 188 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 7 QuantifiedInterpolants, 383 SizeOfPredicates, 18 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant [2021-12-22 10:14:10,220 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-22 10:14:10,220 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-22 10:14:10,220 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,222 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-22 10:14:10,222 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-22 10:14:10,222 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 24]: Loop Invariant [2021-12-22 10:14:10,223 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,225 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,225 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,229 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant [2021-12-22 10:14:10,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,234 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,234 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-12-22 10:14:10,235 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,235 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,236 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,236 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,242 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,242 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,242 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,242 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~bvadd64(1bv32, ~bvneg32(~bvlshr32(~bvor32(~bvadd64(~bvneg32(~bvor32(~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_7[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_7[31:0])), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_7[63:32]))), 2146435072bv32), ~bvneg32(~bvadd64(~bvneg32(~bvor32(~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_7[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_7[31:0])), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_7[63:32]))), 2146435072bv32))), 31bv32))) == \result && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant [2021-12-22 10:14:10,255 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-22 10:14:10,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-22 10:14:10,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE