/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:59:56,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:59:56,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:59:56,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 11:59:56,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 11:59:56,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 11:59:56,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 11:59:56,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 11:59:56,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 11:59:56,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 11:59:56,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 11:59:56,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 11:59:56,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:59:56,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:59:56,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:59:56,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:59:56,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:59:56,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:59:56,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:59:56,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:59:56,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:59:56,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:59:56,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:59:56,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:59:56,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 11:59:56,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 11:59:56,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 11:59:56,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 11:59:56,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 11:59:56,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 11:59:56,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 11:59:56,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 11:59:56,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 11:59:56,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 11:59:56,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 11:59:56,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 11:59:56,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 11:59:56,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 11:59:56,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:59:56,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:59:56,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:59:56,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 11:59:56,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:59:56,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:59:56,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:59:56,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:59:56,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:59:56,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:59:56,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:59:56,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:59:56,469 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:59:56,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:59:56,470 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:59:56,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:59:56,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:59:56,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:59:56,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:59:56,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:59:56,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:59:56,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:59:56,472 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:59:56,472 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:59:56,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:59:56,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:59:56,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:59:56,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:59:56,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:59:56,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:59:56,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:59:56,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:59:56,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:59:56,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:59:56,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:59:56,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:59:56,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:59:56,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:59:56,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:59:56,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:59:56,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:59:56,950 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:59:56,950 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:59:56,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2022-10-16 11:59:57,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df3e0af5e/ebf5526b241645a987aeea6fd57ce9ea/FLAGe1fdad4e4 [2022-10-16 11:59:57,694 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:59:57,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2022-10-16 11:59:57,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df3e0af5e/ebf5526b241645a987aeea6fd57ce9ea/FLAGe1fdad4e4 [2022-10-16 11:59:58,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df3e0af5e/ebf5526b241645a987aeea6fd57ce9ea [2022-10-16 11:59:58,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:59:58,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:59:58,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:59:58,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:59:58,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:59:58,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35067fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58, skipping insertion in model container [2022-10-16 11:59:58,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:59:58,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:59:58,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c[6873,6886] [2022-10-16 11:59:58,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:59:58,376 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:59:58,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c[6873,6886] [2022-10-16 11:59:58,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:59:58,503 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:59:58,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58 WrapperNode [2022-10-16 11:59:58,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:59:58,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:59:58,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:59:58,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:59:58,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,659 INFO L138 Inliner]: procedures = 21, calls = 98, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 327 [2022-10-16 11:59:58,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:59:58,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:59:58,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:59:58,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:59:58,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,765 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:59:58,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:59:58,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:59:58,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:59:58,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (1/1) ... [2022-10-16 11:59:58,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:59:58,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:59:58,836 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) [2022-10-16 11:59:58,860 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 [2022-10-16 11:59:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:59:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:59:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 11:59:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 11:59:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 11:59:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-10-16 11:59:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-10-16 11:59:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-16 11:59:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-10-16 11:59:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-10-16 11:59:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:59:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:59:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 11:59:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-10-16 11:59:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 11:59:59,162 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:59:59,165 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:59:59,934 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:59:59,943 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:59:59,944 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-10-16 11:59:59,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:59:59 BoogieIcfgContainer [2022-10-16 11:59:59,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:59:59,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:59:59,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:59:59,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:59:59,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:59:58" (1/3) ... [2022-10-16 11:59:59,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257d6d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:59:59, skipping insertion in model container [2022-10-16 11:59:59,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:59:58" (2/3) ... [2022-10-16 11:59:59,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257d6d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:59:59, skipping insertion in model container [2022-10-16 11:59:59,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:59:59" (3/3) ... [2022-10-16 11:59:59,957 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2022-10-16 11:59:59,979 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:59:59,979 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 12:00:00,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:00:00,055 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31064e81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:00:00,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 12:00:00,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 120 states have (on average 1.7583333333333333) internal successors, (211), 134 states have internal predecessors, (211), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 12:00:00,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 12:00:00,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:00,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 12:00:00,075 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 12:00:00,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:00,081 INFO L85 PathProgramCache]: Analyzing trace with hash 154669967, now seen corresponding path program 1 times [2022-10-16 12:00:00,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:00,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187960989] [2022-10-16 12:00:00,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:00,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:00,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:00,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187960989] [2022-10-16 12:00:00,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187960989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:00,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:00,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:00:00,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371883520] [2022-10-16 12:00:00,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:00,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 12:00:00,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:00,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 12:00:00,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:00:00,338 INFO L87 Difference]: Start difference. First operand has 141 states, 120 states have (on average 1.7583333333333333) internal successors, (211), 134 states have internal predecessors, (211), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-10-16 12:00:00,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:00,391 INFO L93 Difference]: Finished difference Result 278 states and 440 transitions. [2022-10-16 12:00:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 12:00:00,394 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-10-16 12:00:00,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:00,405 INFO L225 Difference]: With dead ends: 278 [2022-10-16 12:00:00,406 INFO L226 Difference]: Without dead ends: 76 [2022-10-16 12:00:00,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:00:00,417 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:00,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:00:00,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-10-16 12:00:00,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-10-16 12:00:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.375) internal successors, (88), 75 states have internal predecessors, (88), 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) [2022-10-16 12:00:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2022-10-16 12:00:00,466 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 5 [2022-10-16 12:00:00,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:00,467 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2022-10-16 12:00:00,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-10-16 12:00:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2022-10-16 12:00:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 12:00:00,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:00,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 12:00:00,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:00:00,469 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 12:00:00,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:00,470 INFO L85 PathProgramCache]: Analyzing trace with hash 499588456, now seen corresponding path program 1 times [2022-10-16 12:00:00,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:00,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803539403] [2022-10-16 12:00:00,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:00,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:00:00,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:00:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:00:00,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:00:00,663 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:00:00,666 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-10-16 12:00:00,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-10-16 12:00:00,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-10-16 12:00:00,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-10-16 12:00:00,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-10-16 12:00:00,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-10-16 12:00:00,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-10-16 12:00:00,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-10-16 12:00:00,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-10-16 12:00:00,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-10-16 12:00:00,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-10-16 12:00:00,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-10-16 12:00:00,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-10-16 12:00:00,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-10-16 12:00:00,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:00:00,687 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-16 12:00:00,692 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:00:00,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:00:00 BoogieIcfgContainer [2022-10-16 12:00:00,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:00:00,746 INFO L158 Benchmark]: Toolchain (without parser) took 2703.43ms. Allocated memory is still 151.0MB. Free memory was 124.7MB in the beginning and 54.5MB in the end (delta: 70.1MB). Peak memory consumption was 70.6MB. Max. memory is 8.0GB. [2022-10-16 12:00:00,748 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:00:00,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.14ms. Allocated memory is still 151.0MB. Free memory was 124.5MB in the beginning and 109.7MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-10-16 12:00:00,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.70ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 104.2MB in the end (delta: 5.4MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-10-16 12:00:00,757 INFO L158 Benchmark]: Boogie Preprocessor took 116.43ms. Allocated memory is still 151.0MB. Free memory was 104.2MB in the beginning and 99.5MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-10-16 12:00:00,758 INFO L158 Benchmark]: RCFGBuilder took 1166.44ms. Allocated memory is still 151.0MB. Free memory was 99.5MB in the beginning and 89.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-10-16 12:00:00,758 INFO L158 Benchmark]: TraceAbstraction took 792.59ms. Allocated memory is still 151.0MB. Free memory was 88.6MB in the beginning and 54.5MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-10-16 12:00:00,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 457.14ms. Allocated memory is still 151.0MB. Free memory was 124.5MB in the beginning and 109.7MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 154.70ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 104.2MB in the end (delta: 5.4MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 116.43ms. Allocated memory is still 151.0MB. Free memory was 104.2MB in the beginning and 99.5MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1166.44ms. Allocated memory is still 151.0MB. Free memory was 99.5MB in the beginning and 89.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * TraceAbstraction took 792.59ms. Allocated memory is still 151.0MB. Free memory was 88.6MB in the beginning and 54.5MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * 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: 256]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 278, overapproximation of bitwiseAnd at line 255. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L281] CALL isinf_double(x) [L248] __int32_t hx, lx; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, lx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007, zero_atan2=0] [L256] -lx VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, lx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007, zero_atan2=0] - UnprovableResult [Line: 256]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 257]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 257]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 258]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 258]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 258]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 258]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 268]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 268]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 166]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 166]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 141 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 190 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-16 12:00:00,825 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...