./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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/float_req_bl_1131a.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 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:13:20,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:13:20,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:13:20,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:13:20,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:13:20,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:13:20,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:13:20,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:13:20,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:13:20,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:13:20,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:13:20,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:13:20,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:13:20,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:13:20,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:13:20,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:13:20,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:13:20,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:13:20,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:13:20,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:13:20,784 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:13:20,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:13:20,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:13:20,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:13:20,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:13:20,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:13:20,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:13:20,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:13:20,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:13:20,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:13:20,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:13:20,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:13:20,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:13:20,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:13:20,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:13:20,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:13:20,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:13:20,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:13:20,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:13:20,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:13:20,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:13:20,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:13:20,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 03:13:20,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:13:20,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:13:20,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:13:20,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:13:20,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:13:20,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:13:20,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:13:20,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:13:20,842 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:13:20,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:13:20,842 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:13:20,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 03:13:20,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:13:20,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:13:20,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:13:20,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:13:20,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:13:20,843 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:13:20,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:13:20,843 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:13:20,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:13:20,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:13:20,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:13:20,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:13:20,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:13:20,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:13:20,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:13:20,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:13:20,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 03:13:20,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 03:13:20,845 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:13:20,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:13:20,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:13:20,855 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 [2022-07-12 03:13:21,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:13:21,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:13:21,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:13:21,130 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:13:21,131 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:13:21,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2022-07-12 03:13:21,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0991e4400/fe3df1ba09784ee0a4c7edea85c1d122/FLAG0c1d6907b [2022-07-12 03:13:21,614 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:13:21,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2022-07-12 03:13:21,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0991e4400/fe3df1ba09784ee0a4c7edea85c1d122/FLAG0c1d6907b [2022-07-12 03:13:21,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0991e4400/fe3df1ba09784ee0a4c7edea85c1d122 [2022-07-12 03:13:21,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:13:21,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:13:21,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:13:21,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:13:21,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:13:21,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:21,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cfe229d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21, skipping insertion in model container [2022-07-12 03:13:21,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:21,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:13:21,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:13:21,894 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/float_req_bl_1131a.c[2945,2958] [2022-07-12 03:13:21,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:13:21,905 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:13:21,946 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/float_req_bl_1131a.c[2945,2958] [2022-07-12 03:13:21,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:13:21,971 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:13:21,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21 WrapperNode [2022-07-12 03:13:21,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:13:21,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:13:21,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:13:21,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:13:21,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:21,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:22,026 INFO L137 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 219 [2022-07-12 03:13:22,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:13:22,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:13:22,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:13:22,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:13:22,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:22,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:22,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:22,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:22,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:22,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:22,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:22,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:13:22,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:13:22,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:13:22,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:13:22,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (1/1) ... [2022-07-12 03:13:22,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:13:22,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:13:22,106 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) [2022-07-12 03:13:22,107 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 [2022-07-12 03:13:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:13:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 03:13:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:13:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 03:13:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-12 03:13:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-12 03:13:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:13:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:13:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 03:13:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-12 03:13:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:13:22,232 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:13:22,252 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:13:22,550 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:13:22,554 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:13:22,557 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-07-12 03:13:22,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:22 BoogieIcfgContainer [2022-07-12 03:13:22,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:13:22,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:13:22,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:13:22,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:13:22,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:13:21" (1/3) ... [2022-07-12 03:13:22,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6692f2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:13:22, skipping insertion in model container [2022-07-12 03:13:22,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:21" (2/3) ... [2022-07-12 03:13:22,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6692f2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:13:22, skipping insertion in model container [2022-07-12 03:13:22,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:22" (3/3) ... [2022-07-12 03:13:22,567 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131a.c [2022-07-12 03:13:22,576 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:13:22,576 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:13:22,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:13:22,626 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6209fd83, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1c6e5a46 [2022-07-12 03:13:22,626 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:13:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 57 states have (on average 1.7894736842105263) internal successors, (102), 58 states have internal predecessors, (102), 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) [2022-07-12 03:13:22,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-12 03:13:22,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:22,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:22,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:22,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:22,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1228515262, now seen corresponding path program 1 times [2022-07-12 03:13:22,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:13:22,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296672325] [2022-07-12 03:13:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:22,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:13:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:13:22,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:13:22,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:13:22,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296672325] [2022-07-12 03:13:22,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296672325] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:13:22,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:13:22,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 03:13:22,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696699832] [2022-07-12 03:13:22,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:13:22,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 03:13:22,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:13:22,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 03:13:22,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:13:22,795 INFO L87 Difference]: Start difference. First operand has 59 states, 57 states have (on average 1.7894736842105263) internal successors, (102), 58 states have internal predecessors, (102), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-07-12 03:13:22,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:13:22,819 INFO L93 Difference]: Finished difference Result 116 states and 202 transitions. [2022-07-12 03:13:22,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 03:13:22,821 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2022-07-12 03:13:22,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:13:22,828 INFO L225 Difference]: With dead ends: 116 [2022-07-12 03:13:22,829 INFO L226 Difference]: Without dead ends: 55 [2022-07-12 03:13:22,831 INFO L412 NwaCegarLoop]: 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 [2022-07-12 03:13:22,837 INFO L413 NwaCegarLoop]: 79 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, 79 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 [2022-07-12 03:13:22,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:13:22,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-07-12 03:13:22,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-07-12 03:13:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 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) [2022-07-12 03:13:22,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 74 transitions. [2022-07-12 03:13:22,869 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 74 transitions. Word has length 14 [2022-07-12 03:13:22,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:13:22,869 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 74 transitions. [2022-07-12 03:13:22,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-07-12 03:13:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-07-12 03:13:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-12 03:13:22,870 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:22,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:22,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 03:13:22,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:22,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:22,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1196155650, now seen corresponding path program 1 times [2022-07-12 03:13:22,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:13:22,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907000264] [2022-07-12 03:13:22,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:22,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:13:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 03:13:22,959 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 03:13:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 03:13:23,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 03:13:23,031 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 03:13:23,033 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 03:13:23,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 03:13:23,047 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-12 03:13:23,050 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 03:13:23,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 03:13:23 BoogieIcfgContainer [2022-07-12 03:13:23,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 03:13:23,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 03:13:23,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 03:13:23,072 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 03:13:23,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:22" (3/4) ... [2022-07-12 03:13:23,074 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 03:13:23,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 03:13:23,075 INFO L158 Benchmark]: Toolchain (without parser) took 1431.98ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 50.9MB in the beginning and 81.1MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:13:23,075 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 18.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:13:23,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.65ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 50.7MB in the beginning and 86.7MB in the end (delta: -36.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 03:13:23,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.97ms. Allocated memory is still 113.2MB. Free memory was 86.7MB in the beginning and 84.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 03:13:23,076 INFO L158 Benchmark]: Boogie Preprocessor took 34.29ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:13:23,077 INFO L158 Benchmark]: RCFGBuilder took 496.88ms. Allocated memory is still 113.2MB. Free memory was 81.9MB in the beginning and 63.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-12 03:13:23,077 INFO L158 Benchmark]: TraceAbstraction took 510.19ms. Allocated memory is still 113.2MB. Free memory was 63.6MB in the beginning and 81.8MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:13:23,077 INFO L158 Benchmark]: Witness Printer took 2.49ms. Allocated memory is still 113.2MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:13:23,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 18.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.65ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 50.7MB in the beginning and 86.7MB in the end (delta: -36.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.97ms. Allocated memory is still 113.2MB. Free memory was 86.7MB in the beginning and 84.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.29ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.88ms. Allocated memory is still 113.2MB. Free memory was 81.9MB in the beginning and 63.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 510.19ms. Allocated memory is still 113.2MB. Free memory was 63.6MB in the beginning and 81.8MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.49ms. Allocated memory is still 113.2MB. Free memory is still 81.1MB. 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: 137]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseXOr at line 33. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L128] float x = __VERIFIER_nondet_float(); [L129] float y = 1.0f / 0.0f; [L131] CALL isfinite_float(x) [L111] __int32_t ix; VAL [\old(x)=4294967307, one_fmod=1, x=4294967307, Zero_fmod={4:0}] [L113] ieee_float_shape_type gf_u; [L114] gf_u.value = (x) [L115] EXPR gf_u.word [L115] (ix) = gf_u.word [L117] ix &= 0x7fffffff [L118] return (((ix) < 0x7f800000L)); VAL [\old(x)=4294967307, \result=1, ix=1, one_fmod=1, x=4294967307, Zero_fmod={4:0}] [L131] RET isfinite_float(x) [L131] COND TRUE isfinite_float(x) [L133] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=4294967307, \old(y)=4294967306, one_fmod=1, x=4294967307, y=4294967306, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 VAL [\old(x)=4294967307, \old(y)=4294967306, hx=0, hy=-1, one_fmod=1, sx=0, x=4294967307, y=4294967306, Zero_fmod={4:0}] [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=4294967307, \old(y)=4294967306, hx=0, hy=0, one_fmod=1, sx=0, x=4294967307, y=4294967306, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=4294967307, \old(y)=4294967306, hx=0, hy=0, one_fmod=1, sx=0, x=4294967307, y=4294967306, Zero_fmod={4:0}] [L133] RET, EXPR fmod_float(x, y) [L133] float res = fmod_float(x, y); [L136] COND TRUE res != x VAL [one_fmod=1, res=4294967309, x=4294967307, y=4294967306, Zero_fmod={4:0}] [L137] reach_error() VAL [one_fmod=1, res=4294967309, x=4294967307, y=4294967306, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 79 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, 79 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=59occurred 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 [2022-07-12 03:13:23,137 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/float_req_bl_1131a.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 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:13:24,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:13:24,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:13:24,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:13:24,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:13:24,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:13:24,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:13:24,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:13:24,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:13:24,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:13:24,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:13:24,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:13:24,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:13:24,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:13:24,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:13:24,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:13:24,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:13:24,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:13:24,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:13:24,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:13:24,937 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:13:24,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:13:24,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:13:24,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:13:24,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:13:24,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:13:24,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:13:24,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:13:24,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:13:24,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:13:24,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:13:24,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:13:24,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:13:24,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:13:24,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:13:24,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:13:24,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:13:24,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:13:24,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:13:24,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:13:24,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:13:24,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:13:24,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-12 03:13:24,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:13:24,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:13:24,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:13:24,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:13:24,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:13:24,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:13:24,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:13:24,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:13:24,989 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:13:24,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:13:24,990 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:13:24,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:13:24,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:13:24,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:13:24,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:13:24,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:13:24,991 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 03:13:24,991 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 03:13:24,991 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 03:13:24,991 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:13:24,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:13:24,992 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:13:24,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:13:24,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:13:24,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:13:24,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:13:24,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:13:24,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:13:24,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:13:24,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:13:24,993 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 03:13:24,993 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 03:13:24,994 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:13:24,994 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:13:24,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:13:24,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 03:13:24,994 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 [2022-07-12 03:13:25,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:13:25,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:13:25,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:13:25,352 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:13:25,354 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:13:25,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2022-07-12 03:13:25,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59aa64c41/bf6f56b04b544e23ada1881de2be836b/FLAG7b6c281ca [2022-07-12 03:13:25,831 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:13:25,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2022-07-12 03:13:25,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59aa64c41/bf6f56b04b544e23ada1881de2be836b/FLAG7b6c281ca [2022-07-12 03:13:26,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59aa64c41/bf6f56b04b544e23ada1881de2be836b [2022-07-12 03:13:26,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:13:26,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:13:26,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:13:26,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:13:26,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:13:26,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a45752b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26, skipping insertion in model container [2022-07-12 03:13:26,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:13:26,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:13:26,411 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/float_req_bl_1131a.c[2945,2958] [2022-07-12 03:13:26,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:13:26,464 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:13:26,512 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/float_req_bl_1131a.c[2945,2958] [2022-07-12 03:13:26,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:13:26,530 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:13:26,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26 WrapperNode [2022-07-12 03:13:26,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:13:26,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:13:26,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:13:26,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:13:26,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,583 INFO L137 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 183 [2022-07-12 03:13:26,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:13:26,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:13:26,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:13:26,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:13:26,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:13:26,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:13:26,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:13:26,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:13:26,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (1/1) ... [2022-07-12 03:13:26,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:13:26,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:13:26,662 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) [2022-07-12 03:13:26,681 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 [2022-07-12 03:13:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:13:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-12 03:13:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 03:13:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:13:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-12 03:13:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 03:13:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:13:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:13:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-12 03:13:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 03:13:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:13:26,826 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:13:26,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:13:29,338 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:13:29,342 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:13:29,342 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-07-12 03:13:29,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:29 BoogieIcfgContainer [2022-07-12 03:13:29,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:13:29,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:13:29,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:13:29,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:13:29,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:13:26" (1/3) ... [2022-07-12 03:13:29,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b96266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:13:29, skipping insertion in model container [2022-07-12 03:13:29,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:26" (2/3) ... [2022-07-12 03:13:29,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b96266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:13:29, skipping insertion in model container [2022-07-12 03:13:29,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:29" (3/3) ... [2022-07-12 03:13:29,349 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131a.c [2022-07-12 03:13:29,360 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:13:29,360 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:13:29,392 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:13:29,397 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@fc109bc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c7d3f5b [2022-07-12 03:13:29,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:13:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 46 states have internal predecessors, (78), 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) [2022-07-12 03:13:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-12 03:13:29,407 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:29,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:29,408 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:29,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:29,412 INFO L85 PathProgramCache]: Analyzing trace with hash 2036314411, now seen corresponding path program 1 times [2022-07-12 03:13:29,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:13:29,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976455128] [2022-07-12 03:13:29,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:29,423 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:13:29,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:13:29,426 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) [2022-07-12 03:13:29,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 03:13:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:13:29,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 03:13:29,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:13:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:13:29,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:13:29,675 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:13:29,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976455128] [2022-07-12 03:13:29,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976455128] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:13:29,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:13:29,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 03:13:29,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330946645] [2022-07-12 03:13:29,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:13:29,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 03:13:29,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:13:29,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 03:13:29,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:13:29,710 INFO L87 Difference]: Start difference. First operand has 47 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 46 states have internal predecessors, (78), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-07-12 03:13:29,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:13:29,723 INFO L93 Difference]: Finished difference Result 92 states and 154 transitions. [2022-07-12 03:13:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 03:13:29,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2022-07-12 03:13:29,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:13:29,730 INFO L225 Difference]: With dead ends: 92 [2022-07-12 03:13:29,731 INFO L226 Difference]: Without dead ends: 43 [2022-07-12 03:13:29,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:13:29,735 INFO L413 NwaCegarLoop]: 63 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, 63 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 [2022-07-12 03:13:29,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:13:29,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-07-12 03:13:29,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-07-12 03:13:29,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.380952380952381) internal successors, (58), 42 states have internal predecessors, (58), 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) [2022-07-12 03:13:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-07-12 03:13:29,759 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 13 [2022-07-12 03:13:29,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:13:29,760 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-07-12 03:13:29,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-07-12 03:13:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-07-12 03:13:29,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-12 03:13:29,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:29,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:29,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 03:13:29,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:13:29,964 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:29,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:29,965 INFO L85 PathProgramCache]: Analyzing trace with hash -794964373, now seen corresponding path program 1 times [2022-07-12 03:13:29,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:13:29,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930478604] [2022-07-12 03:13:29,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:29,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:13:29,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:13:29,974 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) [2022-07-12 03:13:29,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 03:13:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:13:30,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-12 03:13:30,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:13:30,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-12 03:13:31,209 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-07-12 03:13:31,210 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 35 [2022-07-12 03:13:31,418 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-12 03:13:31,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2022-07-12 03:13:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:13:31,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:13:31,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:13:31,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930478604] [2022-07-12 03:13:31,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930478604] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:13:31,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:13:31,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 03:13:31,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454064500] [2022-07-12 03:13:31,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:13:31,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 03:13:31,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:13:31,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 03:13:31,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-12 03:13:31,913 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2022-07-12 03:13:31,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:13:31,925 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2022-07-12 03:13:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 03:13:31,925 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16 [2022-07-12 03:13:31,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:13:31,926 INFO L225 Difference]: With dead ends: 47 [2022-07-12 03:13:31,926 INFO L226 Difference]: Without dead ends: 43 [2022-07-12 03:13:31,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-12 03:13:31,927 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 115 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:13:31,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 115 Unchecked, 0.0s Time] [2022-07-12 03:13:31,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-07-12 03:13:31,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-07-12 03:13:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 42 states have internal predecessors, (57), 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) [2022-07-12 03:13:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2022-07-12 03:13:31,932 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 16 [2022-07-12 03:13:31,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:13:31,932 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2022-07-12 03:13:31,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2022-07-12 03:13:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-07-12 03:13:31,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-12 03:13:31,933 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:31,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:31,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-12 03:13:32,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:13:32,147 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:32,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:32,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1123581797, now seen corresponding path program 1 times [2022-07-12 03:13:32,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:13:32,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755557683] [2022-07-12 03:13:32,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:32,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:13:32,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:13:32,168 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) [2022-07-12 03:13:32,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 03:13:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:13:32,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-12 03:13:32,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:13:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:13:33,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:13:33,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:13:33,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755557683] [2022-07-12 03:13:33,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755557683] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:13:33,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:13:33,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 03:13:33,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486383896] [2022-07-12 03:13:33,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:13:33,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 03:13:33,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:13:33,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 03:13:33,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 03:13:33,163 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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) [2022-07-12 03:13:33,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:13:33,364 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2022-07-12 03:13:33,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 03:13:33,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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 17 [2022-07-12 03:13:33,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:13:33,365 INFO L225 Difference]: With dead ends: 49 [2022-07-12 03:13:33,365 INFO L226 Difference]: Without dead ends: 45 [2022-07-12 03:13:33,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-12 03:13:33,366 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 37 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:13:33,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 342 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 32 Unchecked, 0.0s Time] [2022-07-12 03:13:33,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-07-12 03:13:33,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2022-07-12 03:13:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 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) [2022-07-12 03:13:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2022-07-12 03:13:33,382 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 17 [2022-07-12 03:13:33,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:13:33,384 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2022-07-12 03:13:33,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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) [2022-07-12 03:13:33,385 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-07-12 03:13:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-12 03:13:33,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:33,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:33,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 03:13:33,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:13:33,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:33,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:33,588 INFO L85 PathProgramCache]: Analyzing trace with hash 469119878, now seen corresponding path program 1 times [2022-07-12 03:13:33,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:13:33,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853595306] [2022-07-12 03:13:33,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:33,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:13:33,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:13:33,602 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:13:33,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 03:13:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:13:33,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 03:13:33,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:13:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:13:34,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:13:34,171 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:13:34,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853595306] [2022-07-12 03:13:34,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853595306] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:13:34,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:13:34,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 03:13:34,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093723192] [2022-07-12 03:13:34,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:13:34,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 03:13:34,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:13:34,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 03:13:34,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 03:13:34,173 INFO L87 Difference]: Start difference. First operand 43 states and 56 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-07-12 03:13:34,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:13:34,176 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2022-07-12 03:13:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 03:13:34,176 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 18 [2022-07-12 03:13:34,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:13:34,176 INFO L225 Difference]: With dead ends: 43 [2022-07-12 03:13:34,177 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 03:13:34,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 03:13:34,178 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:13:34,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-07-12 03:13:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 03:13:34,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 03:13:34,178 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) [2022-07-12 03:13:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 03:13:34,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-07-12 03:13:34,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:13:34,179 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 03:13:34,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-07-12 03:13:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 03:13:34,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 03:13:34,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 03:13:34,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 03:13:34,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:13:34,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 03:13:34,776 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2022-07-12 03:13:34,776 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2022-07-12 03:13:34,777 INFO L899 garLoopResultBuilder]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:34,777 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2022-07-12 03:13:34,777 INFO L895 garLoopResultBuilder]: At program point L118(lines 110 119) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|)) (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (or (and (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32)) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_main_~x~0#1|) (bvslt (bvand (_ bv2147483647 32) .cse0) (_ bv2139095040 32)))))) (and (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start_main_~x~0#1|) (not (bvslt (bvand (_ bv2147483647 32) .cse1) (_ bv2139095040 32)))))) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32))))) [2022-07-12 03:13:34,777 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-07-12 03:13:34,777 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-07-12 03:13:34,777 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2022-07-12 03:13:34,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 03:13:34,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 03:13:34,777 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 80) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L895 garLoopResultBuilder]: At program point L112-2(lines 112 116) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|)) (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~x~0#1|)) [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 39) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 105) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_float_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= |ULTIMATE.start_fmod_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (bvslt (bvand (_ bv2147483647 32) .cse0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_fmod_float_~x#1|))))) [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed. [2022-07-12 03:13:34,778 INFO L899 garLoopResultBuilder]: For program point L48(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:34,779 INFO L895 garLoopResultBuilder]: At program point L106(lines 19 107) the Hoare annotation is: (and (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_fmod_float_#res#1|) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_7| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_7|) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_7|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_7|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_7|)) |ULTIMATE.start_main_~x~0#1|)))) [2022-07-12 03:13:34,779 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-07-12 03:13:34,779 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 140) no Hoare annotation was computed. [2022-07-12 03:13:34,779 INFO L899 garLoopResultBuilder]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2022-07-12 03:13:34,779 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 03:13:34,779 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2022-07-12 03:13:34,779 INFO L895 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2022-07-12 03:13:34,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2022-07-12 03:13:34,779 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2022-07-12 03:13:34,779 INFO L895 garLoopResultBuilder]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2022-07-12 03:13:34,779 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2022-07-12 03:13:34,779 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2022-07-12 03:13:34,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 03:13:34,780 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2022-07-12 03:13:34,780 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2022-07-12 03:13:34,780 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:34,780 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2022-07-12 03:13:34,780 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2022-07-12 03:13:34,780 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2022-07-12 03:13:34,780 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:34,780 INFO L902 garLoopResultBuilder]: At program point L142(lines 121 143) the Hoare annotation is: true [2022-07-12 03:13:34,780 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-07-12 03:13:34,780 INFO L895 garLoopResultBuilder]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2022-07-12 03:13:34,783 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-12 03:13:34,785 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 03:13:34,791 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 03:13:34 BoogieIcfgContainer [2022-07-12 03:13:34,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 03:13:34,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 03:13:34,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 03:13:34,806 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 03:13:34,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:29" (3/4) ... [2022-07-12 03:13:34,810 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 03:13:34,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-07-12 03:13:34,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-07-12 03:13:34,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 03:13:34,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 03:13:34,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y) && x == x [2022-07-12 03:13:34,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y) && x == x) && ((\result == 1bv32 && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32))) || ((\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x && !~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32)) && \result == 0bv32)) [2022-07-12 03:13:34,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && x == x) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x) [2022-07-12 03:13:34,865 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 03:13:34,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 03:13:34,866 INFO L158 Benchmark]: Toolchain (without parser) took 8620.16ms. Allocated memory was 48.2MB in the beginning and 75.5MB in the end (delta: 27.3MB). Free memory was 23.6MB in the beginning and 54.8MB in the end (delta: -31.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-07-12 03:13:34,866 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:13:34,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.79ms. Allocated memory was 48.2MB in the beginning and 62.9MB in the end (delta: 14.7MB). Free memory was 23.4MB in the beginning and 43.9MB in the end (delta: -20.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-07-12 03:13:34,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.96ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 41.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:13:34,867 INFO L158 Benchmark]: Boogie Preprocessor took 53.04ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 39.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:13:34,867 INFO L158 Benchmark]: RCFGBuilder took 2705.49ms. Allocated memory is still 62.9MB. Free memory was 39.9MB in the beginning and 38.4MB in the end (delta: 1.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-07-12 03:13:34,868 INFO L158 Benchmark]: TraceAbstraction took 5460.98ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 37.9MB in the beginning and 30.1MB in the end (delta: 7.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-07-12 03:13:34,868 INFO L158 Benchmark]: Witness Printer took 59.04ms. Allocated memory is still 75.5MB. Free memory was 30.1MB in the beginning and 54.8MB in the end (delta: -24.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:13:34,870 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 48.2MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.79ms. Allocated memory was 48.2MB in the beginning and 62.9MB in the end (delta: 14.7MB). Free memory was 23.4MB in the beginning and 43.9MB in the end (delta: -20.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.96ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 41.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.04ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 39.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2705.49ms. Allocated memory is still 62.9MB. Free memory was 39.9MB in the beginning and 38.4MB in the end (delta: 1.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5460.98ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 37.9MB in the beginning and 30.1MB in the end (delta: 7.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Witness Printer took 59.04ms. Allocated memory is still 75.5MB. Free memory was 30.1MB in the beginning and 54.8MB in the end (delta: -24.7MB). Peak memory consumption was 2.1MB. 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - 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 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] * 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: 137]: 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, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 764 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 151 IncrementalHoareTripleChecker+Unchecked, 593 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 171 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 172 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 34 QuantifiedInterpolants, 1037 SizeOfPredicates, 33 NumberOfNonLiveVariables, 299 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2022-07-12 03:13:34,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,898 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,898 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,898 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,899 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && x == x) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2022-07-12 03:13:34,905 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,905 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,906 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,906 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,906 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,906 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:34,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y) && x == x) && ((\result == 1bv32 && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32))) || ((\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x && !~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32)) && \result == 0bv32)) - InvariantResult [Line: 112]: Loop Invariant [2022-07-12 03:13:34,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:34,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y) && x == x - InvariantResult [Line: 19]: Loop Invariant [2022-07-12 03:13:34,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:34,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] Derived loop invariant: x == \result && (\exists v_ULTIMATE.start_isfinite_float_~ix~1#1_7 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_7), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1#1_7[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_7[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_7[22:0]) == x) RESULT: Ultimate proved your program to be correct! [2022-07-12 03:13:34,985 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