./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/floats-cbmc-regression/float-no-simp7.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 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:20:03,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:20:03,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:20:03,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:20:03,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:20:03,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:20:03,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:20:03,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:20:03,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:20:03,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:20:04,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:20:04,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:20:04,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:20:04,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:20:04,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:20:04,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:20:04,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:20:04,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:20:04,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:20:04,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:20:04,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:20:04,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:20:04,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:20:04,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:20:04,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:20:04,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:20:04,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:20:04,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:20:04,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:20:04,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:20:04,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:20:04,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:20:04,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:20:04,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:20:04,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:20:04,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:20:04,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:20:04,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:20:04,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:20:04,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:20:04,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:20:04,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:20:04,070 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:20:04,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:20:04,071 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:20:04,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:20:04,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:20:04,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:20:04,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:20:04,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:20:04,073 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:20:04,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:20:04,074 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:20:04,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:20:04,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:20:04,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:20:04,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:20:04,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:20:04,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:20:04,075 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:20:04,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:20:04,076 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:20:04,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:20:04,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:20:04,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:20:04,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:20:04,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:20:04,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:20:04,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:20:04,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:20:04,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:20:04,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:20:04,079 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:20:04,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:20:04,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:20:04,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 [2022-02-20 16:20:04,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:20:04,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:20:04,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:20:04,322 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:20:04,322 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:20:04,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2022-02-20 16:20:04,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a4c694b6/40fb1eb04f4345bd9ebdd006e155eafc/FLAG2e80bc046 [2022-02-20 16:20:04,696 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:20:04,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2022-02-20 16:20:04,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a4c694b6/40fb1eb04f4345bd9ebdd006e155eafc/FLAG2e80bc046 [2022-02-20 16:20:05,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a4c694b6/40fb1eb04f4345bd9ebdd006e155eafc [2022-02-20 16:20:05,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:20:05,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:20:05,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:20:05,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:20:05,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:20:05,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79dd4219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05, skipping insertion in model container [2022-02-20 16:20:05,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:20:05,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:20:05,291 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/floats-cbmc-regression/float-no-simp7.c[440,453] [2022-02-20 16:20:05,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:20:05,316 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:20:05,334 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/floats-cbmc-regression/float-no-simp7.c[440,453] [2022-02-20 16:20:05,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:20:05,346 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:20:05,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05 WrapperNode [2022-02-20 16:20:05,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:20:05,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:20:05,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:20:05,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:20:05,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,377 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-02-20 16:20:05,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:20:05,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:20:05,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:20:05,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:20:05,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:20:05,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:20:05,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:20:05,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:20:05,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (1/1) ... [2022-02-20 16:20:05,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:20:05,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:20:05,441 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) [2022-02-20 16:20:05,443 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 [2022-02-20 16:20:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:20:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:20:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:20:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:20:05,521 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:20:05,523 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:20:05,585 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:20:05,591 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:20:05,591 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 16:20:05,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:20:05 BoogieIcfgContainer [2022-02-20 16:20:05,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:20:05,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:20:05,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:20:05,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:20:05,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:20:05" (1/3) ... [2022-02-20 16:20:05,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582bbfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:20:05, skipping insertion in model container [2022-02-20 16:20:05,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:05" (2/3) ... [2022-02-20 16:20:05,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582bbfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:20:05, skipping insertion in model container [2022-02-20 16:20:05,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:20:05" (3/3) ... [2022-02-20 16:20:05,605 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2022-02-20 16:20:05,611 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:20:05,612 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:20:05,654 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:20:05,660 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:20:05,660 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:20:05,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-02-20 16:20:05,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-02-20 16:20:05,687 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:20:05,688 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-02-20 16:20:05,689 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:20:05,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:20:05,698 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-02-20 16:20:05,710 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:20:05,710 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225454215] [2022-02-20 16:20:05,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:20:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:20:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:20:05,800 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 16:20:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:20:05,840 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 16:20:05,841 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 16:20:05,842 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:20:05,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:20:05,847 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 16:20:05,850 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:20:05,873 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 16:20:05,873 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 16:20:05,874 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-02-20 16:20:05,874 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-02-20 16:20:05,874 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2022-02-20 16:20:05,875 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2022-02-20 16:20:05,875 WARN L170 areAnnotationChecker]: L12-3 has no Hoare annotation [2022-02-20 16:20:05,875 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2022-02-20 16:20:05,875 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:20:05,875 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 16:20:05,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:20:05 BoogieIcfgContainer [2022-02-20 16:20:05,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:20:05,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:20:05,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:20:05,880 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:20:05,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:20:05" (3/4) ... [2022-02-20 16:20:05,883 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-20 16:20:05,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:20:05,885 INFO L158 Benchmark]: Toolchain (without parser) took 763.96ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 54.3MB in the beginning and 60.9MB in the end (delta: -6.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-02-20 16:20:05,886 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 88.1MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 18.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:20:05,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.51ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 54.0MB in the beginning and 86.7MB in the end (delta: -32.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:20:05,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.34ms. Allocated memory is still 111.1MB. Free memory was 86.7MB in the beginning and 84.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:20:05,891 INFO L158 Benchmark]: Boogie Preprocessor took 20.20ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 84.0MB in the end (delta: 747.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:20:05,892 INFO L158 Benchmark]: RCFGBuilder took 188.17ms. Allocated memory is still 111.1MB. Free memory was 84.0MB in the beginning and 75.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:20:05,893 INFO L158 Benchmark]: TraceAbstraction took 282.44ms. Allocated memory is still 111.1MB. Free memory was 75.0MB in the beginning and 61.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-20 16:20:05,893 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 111.1MB. Free memory was 61.5MB in the beginning and 60.9MB in the end (delta: 584.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:20:05,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 88.1MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 18.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.51ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 54.0MB in the beginning and 86.7MB in the end (delta: -32.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.34ms. Allocated memory is still 111.1MB. Free memory was 86.7MB in the beginning and 84.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.20ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 84.0MB in the end (delta: 747.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 188.17ms. Allocated memory is still 111.1MB. Free memory was 84.0MB in the beginning and 75.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 282.44ms. Allocated memory is still 111.1MB. Free memory was 75.0MB in the beginning and 61.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 111.1MB. Free memory was 61.5MB in the beginning and 60.9MB in the end (delta: 584.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: 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 12, overapproximation of someBinaryArithmeticFLOAToperation at line 10, overapproximation of someUnaryFLOAToperation at line 7. Possible FailurePath: [L6] float f = 0x1.9e0c22p-101f; [L7] float g = -0x1.3c9014p-50f; [L8] float target = -0x1p-149f; [L10] float result = f * g; VAL [\old(argc)=50, argc=50, argv={49:51}, argv={49:51}, f=13567505/21267647932558653966460912964485513216] [L12] COND TRUE !(result == target) VAL [\old(argc)=50, argc=50, argv={49:51}, argv={49:51}, f=13567505/21267647932558653966460912964485513216] [L12] reach_error() VAL [\old(argc)=50, argc=50, argv={49:51}, argv={49:51}, f=13567505/21267647932558653966460912964485513216] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2022-02-20 16:20:05,945 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 -ea -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/floats-cbmc-regression/float-no-simp7.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 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:20:07,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:20:07,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:20:07,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:20:07,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:20:07,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:20:07,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:20:07,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:20:07,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:20:07,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:20:07,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:20:07,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:20:07,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:20:07,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:20:07,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:20:07,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:20:07,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:20:07,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:20:07,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:20:07,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:20:07,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:20:07,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:20:07,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:20:07,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:20:07,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:20:07,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:20:07,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:20:07,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:20:07,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:20:07,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:20:07,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:20:07,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:20:07,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:20:07,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:20:07,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:20:07,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:20:07,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:20:07,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:20:07,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:20:07,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:20:07,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:20:07,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:20:07,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:20:07,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:20:07,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:20:07,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:20:07,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:20:07,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:20:07,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:20:07,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:20:07,974 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:20:07,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:20:07,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:20:07,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:20:07,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:20:07,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:20:07,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:20:07,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:20:07,976 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:20:07,976 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:20:07,977 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:20:07,977 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:20:07,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:20:07,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:20:07,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:20:07,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:20:07,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:20:07,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:20:07,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:20:07,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:20:07,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:20:07,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:20:07,986 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:20:07,986 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:20:07,986 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:20:07,987 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:20:07,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:20:07,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:20:07,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 [2022-02-20 16:20:08,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:20:08,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:20:08,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:20:08,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:20:08,332 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:20:08,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2022-02-20 16:20:08,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468a2edc0/00a514401b544034ad4cc3533e85fd91/FLAG6033d7a88 [2022-02-20 16:20:08,782 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:20:08,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2022-02-20 16:20:08,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468a2edc0/00a514401b544034ad4cc3533e85fd91/FLAG6033d7a88 [2022-02-20 16:20:09,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468a2edc0/00a514401b544034ad4cc3533e85fd91 [2022-02-20 16:20:09,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:20:09,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:20:09,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:20:09,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:20:09,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:20:09,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d00fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09, skipping insertion in model container [2022-02-20 16:20:09,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:20:09,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:20:09,387 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/floats-cbmc-regression/float-no-simp7.c[440,453] [2022-02-20 16:20:09,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:20:09,421 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:20:09,451 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/floats-cbmc-regression/float-no-simp7.c[440,453] [2022-02-20 16:20:09,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:20:09,487 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:20:09,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09 WrapperNode [2022-02-20 16:20:09,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:20:09,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:20:09,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:20:09,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:20:09,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,539 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-02-20 16:20:09,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:20:09,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:20:09,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:20:09,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:20:09,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:20:09,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:20:09,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:20:09,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:20:09,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (1/1) ... [2022-02-20 16:20:09,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:20:09,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:20:09,615 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) [2022-02-20 16:20:09,638 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 [2022-02-20 16:20:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:20:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:20:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:20:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:20:09,726 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:20:09,728 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:20:09,885 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:20:09,890 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:20:09,890 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 16:20:09,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:20:09 BoogieIcfgContainer [2022-02-20 16:20:09,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:20:09,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:20:09,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:20:09,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:20:09,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:20:09" (1/3) ... [2022-02-20 16:20:09,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d534e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:20:09, skipping insertion in model container [2022-02-20 16:20:09,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:20:09" (2/3) ... [2022-02-20 16:20:09,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d534e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:20:09, skipping insertion in model container [2022-02-20 16:20:09,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:20:09" (3/3) ... [2022-02-20 16:20:09,901 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2022-02-20 16:20:09,905 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:20:09,905 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:20:09,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:20:09,948 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:20:09,948 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:20:09,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-02-20 16:20:09,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-02-20 16:20:09,971 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:20:09,971 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-02-20 16:20:09,972 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:20:09,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:20:09,976 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-02-20 16:20:09,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:20:09,988 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008725598] [2022-02-20 16:20:09,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:20:09,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:20:09,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:20:09,993 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) [2022-02-20 16:20:10,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:20:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:20:10,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-20 16:20:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:20:10,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:20:10,301 INFO L290 TraceCheckUtils]: 0: Hoare triple {12#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(17bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32); {17#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2022-02-20 16:20:10,304 INFO L290 TraceCheckUtils]: 1: Hoare triple {17#(= currentRoundingMode roundNearestTiesToEven)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~f~0#1, main_~g~0#1, main_~target~0#1, main_~result~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;main_~f~0#1 := ~to_fp~FLOAT(currentRoundingMode, 6.379410192901256E-31);main_~g~0#1 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.098297859519E-15));main_~target~0#1 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.401298464324817E-45));main_~result~0#1 := ~fp.mul~FLOAT(currentRoundingMode, main_~f~0#1, main_~g~0#1); {21#(and (= |ULTIMATE.start_main_~result~0#1| (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 13567505.0 21267647932558653966460912964485513216.0)) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 5186565.0 4722366482869645213696.0))))) (= (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 713623846352979940529142984724747568191373312.0))) |ULTIMATE.start_main_~target~0#1|))} is VALID [2022-02-20 16:20:10,305 INFO L290 TraceCheckUtils]: 2: Hoare triple {21#(and (= |ULTIMATE.start_main_~result~0#1| (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 13567505.0 21267647932558653966460912964485513216.0)) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 5186565.0 4722366482869645213696.0))))) (= (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 713623846352979940529142984724747568191373312.0))) |ULTIMATE.start_main_~target~0#1|))} assume !~fp.eq~FLOAT(main_~result~0#1, main_~target~0#1); {13#false} is VALID [2022-02-20 16:20:10,305 INFO L290 TraceCheckUtils]: 3: Hoare triple {13#false} assume !false; {13#false} is VALID [2022-02-20 16:20:10,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:20:10,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:20:10,307 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:20:10,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008725598] [2022-02-20 16:20:10,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008725598] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:20:10,308 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:20:10,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:20:10,309 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053908761] [2022-02-20 16:20:10,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:20:10,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-02-20 16:20:10,314 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:20:10,317 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-02-20 16:20:10,423 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:20:10,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 16:20:10,424 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:20:10,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 16:20:10,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:20:10,443 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-02-20 16:20:10,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:20:10,581 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-02-20 16:20:10,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 16:20:10,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-02-20 16:20:10,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:20:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-02-20 16:20:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-02-20 16:20:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-02-20 16:20:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-02-20 16:20:10,587 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 12 transitions. [2022-02-20 16:20:10,698 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:20:10,702 INFO L225 Difference]: With dead ends: 13 [2022-02-20 16:20:10,702 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 16:20:10,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:20:10,706 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:20:10,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:20:10,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 16:20:10,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 16:20:10,721 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:20:10,721 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second 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) [2022-02-20 16:20:10,722 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second 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) [2022-02-20 16:20:10,722 INFO L87 Difference]: Start difference. First operand 0 states. Second 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) [2022-02-20 16:20:10,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:20:10,722 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 16:20:10,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 16:20:10,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:20:10,723 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:20:10,723 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-02-20 16:20:10,723 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-02-20 16:20:10,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:20:10,724 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 16:20:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 16:20:10,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:20:10,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:20:10,724 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:20:10,725 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:20:10,725 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) [2022-02-20 16:20:10,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 16:20:10,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-02-20 16:20:10,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:20:10,726 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 16:20:10,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-02-20 16:20:10,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 16:20:10,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:20:10,729 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:20:10,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:20:10,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:20:10,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 16:20:10,974 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 16:20:10,974 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 16:20:10,974 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 16:20:10,974 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 16:20:10,975 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2022-02-20 16:20:10,975 INFO L854 garLoopResultBuilder]: At program point L14(lines 5 15) the Hoare annotation is: (and (= |ULTIMATE.start_main_~result~0#1| (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 13567505.0 21267647932558653966460912964485513216.0)) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 5186565.0 4722366482869645213696.0))))) (= (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 713623846352979940529142984724747568191373312.0))) |ULTIMATE.start_main_~target~0#1|) (= currentRoundingMode roundNearestTiesToEven)) [2022-02-20 16:20:10,975 INFO L858 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-02-20 16:20:10,976 INFO L858 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-02-20 16:20:10,976 INFO L858 garLoopResultBuilder]: For program point L12-3(line 12) no Hoare annotation was computed. [2022-02-20 16:20:10,978 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 16:20:10,979 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:20:10,983 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 16:20:10,983 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 16:20:10,983 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-02-20 16:20:10,983 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-02-20 16:20:10,983 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2022-02-20 16:20:10,983 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2022-02-20 16:20:10,984 WARN L170 areAnnotationChecker]: L12-3 has no Hoare annotation [2022-02-20 16:20:10,984 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:20:10,984 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:20:10,984 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 16:20:10,986 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:10,987 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:10,987 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:10,987 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:10,987 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:10,990 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:10,990 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:10,990 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:10,990 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:10,991 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:10,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:20:10 BoogieIcfgContainer [2022-02-20 16:20:10,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:20:10,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:20:10,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:20:10,993 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:20:10,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:20:09" (3/4) ... [2022-02-20 16:20:10,996 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 16:20:11,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 16:20:11,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-02-20 16:20:11,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 16:20:11,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 16:20:11,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 16:20:11,024 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 16:20:11,024 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:20:11,025 INFO L158 Benchmark]: Toolchain (without parser) took 1814.02ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 35.6MB in the beginning and 49.4MB in the end (delta: -13.8MB). Peak memory consumption was 636.0kB. Max. memory is 16.1GB. [2022-02-20 16:20:11,025 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:20:11,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.38ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 35.4MB in the beginning and 55.5MB in the end (delta: -20.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-20 16:20:11,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.30ms. Allocated memory is still 71.3MB. Free memory was 55.3MB in the beginning and 53.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:20:11,027 INFO L158 Benchmark]: Boogie Preprocessor took 44.12ms. Allocated memory is still 71.3MB. Free memory was 53.9MB in the beginning and 52.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:20:11,027 INFO L158 Benchmark]: RCFGBuilder took 307.28ms. Allocated memory is still 71.3MB. Free memory was 52.6MB in the beginning and 44.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:20:11,028 INFO L158 Benchmark]: TraceAbstraction took 1098.19ms. Allocated memory is still 71.3MB. Free memory was 44.1MB in the beginning and 51.6MB in the end (delta: -7.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-02-20 16:20:11,028 INFO L158 Benchmark]: Witness Printer took 31.56ms. Allocated memory is still 71.3MB. Free memory was 51.6MB in the beginning and 49.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:20:11,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.38ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 35.4MB in the beginning and 55.5MB in the end (delta: -20.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.30ms. Allocated memory is still 71.3MB. Free memory was 55.3MB in the beginning and 53.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.12ms. Allocated memory is still 71.3MB. Free memory was 53.9MB in the beginning and 52.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.28ms. Allocated memory is still 71.3MB. Free memory was 52.6MB in the beginning and 44.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1098.19ms. Allocated memory is still 71.3MB. Free memory was 44.1MB in the beginning and 51.6MB in the end (delta: -7.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 31.56ms. Allocated memory is still 71.3MB. Free memory was 51.6MB in the beginning and 49.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 12]: 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, 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: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 21 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 5 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant [2022-02-20 16:20:11,039 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:11,039 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:11,039 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:11,039 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:11,040 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:11,040 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:11,040 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:11,040 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:11,041 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-02-20 16:20:11,041 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (result == ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 13567505/21267647932558653966460912964485513216), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 5186565/4722366482869645213696))) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/713623846352979940529142984724747568191373312)) == target) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2022-02-20 16:20:11,074 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