./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0240a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0240a.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 e0edc3bee4914c275f0c598e472600512fc7b26a133b6f40ec30f7b7e670fb55 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:29:09,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:29:09,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:29:09,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:29:09,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:29:09,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:29:09,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:29:09,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:29:09,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:29:09,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:29:09,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:29:09,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:29:09,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:29:09,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:29:09,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:29:09,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:29:09,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:29:09,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:29:09,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:29:09,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:29:09,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:29:09,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:29:09,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:29:09,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:29:09,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:29:09,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:29:09,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:29:09,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:29:09,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:29:09,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:29:09,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:29:09,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:29:09,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:29:09,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:29:09,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:29:09,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:29:09,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:29:09,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:29:09,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:29:09,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:29:09,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:29:09,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 10:29:09,560 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:29:09,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:29:09,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:29:09,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:29:09,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:29:09,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:29:09,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:29:09,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:29:09,563 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:29:09,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:29:09,564 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:29:09,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 10:29:09,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:29:09,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:29:09,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:29:09,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:29:09,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:29:09,565 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:29:09,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:29:09,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:29:09,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:29:09,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:29:09,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:29:09,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:29:09,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:29:09,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:29:09,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:29:09,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:29:09,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 10:29:09,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 10:29:09,568 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:29:09,568 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:29:09,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:29:09,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:29:09,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0edc3bee4914c275f0c598e472600512fc7b26a133b6f40ec30f7b7e670fb55 [2021-12-15 10:29:09,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:29:09,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:29:09,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:29:09,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:29:09,755 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:29:09,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0240a.c [2021-12-15 10:29:09,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e710c91cd/65bf0bb7df4947f280a9ac55d5480544/FLAGd320e2732 [2021-12-15 10:29:10,224 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:29:10,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0240a.c [2021-12-15 10:29:10,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e710c91cd/65bf0bb7df4947f280a9ac55d5480544/FLAGd320e2732 [2021-12-15 10:29:10,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e710c91cd/65bf0bb7df4947f280a9ac55d5480544 [2021-12-15 10:29:10,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:29:10,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:29:10,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:29:10,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:29:10,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:29:10,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a27ae19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10, skipping insertion in model container [2021-12-15 10:29:10,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:29:10,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:29:10,554 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_0240a.c[16283,16296] [2021-12-15 10:29:10,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:29:10,577 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:29:10,631 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_0240a.c[16283,16296] [2021-12-15 10:29:10,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:29:10,652 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:29:10,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10 WrapperNode [2021-12-15 10:29:10,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:29:10,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:29:10,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:29:10,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:29:10,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,733 INFO L137 Inliner]: procedures = 25, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1036 [2021-12-15 10:29:10,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:29:10,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:29:10,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:29:10,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:29:10,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:29:10,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:29:10,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:29:10,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:29:10,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (1/1) ... [2021-12-15 10:29:10,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:29:10,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:29:10,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 10:29:10,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 10:29:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:29:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-15 10:29:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-15 10:29:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-12-15 10:29:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-12-15 10:29:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 10:29:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 10:29:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 10:29:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-15 10:29:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 10:29:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-15 10:29:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-12-15 10:29:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-12-15 10:29:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-15 10:29:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-15 10:29:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 10:29:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:29:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:29:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 10:29:11,091 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:29:11,093 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:29:11,631 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 10:29:11,636 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 10:29:11,636 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-12-15 10:29:11,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:29:11 BoogieIcfgContainer [2021-12-15 10:29:11,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 10:29:11,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 10:29:11,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 10:29:11,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 10:29:11,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:29:10" (1/3) ... [2021-12-15 10:29:11,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b87eb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:29:11, skipping insertion in model container [2021-12-15 10:29:11,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:10" (2/3) ... [2021-12-15 10:29:11,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b87eb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:29:11, skipping insertion in model container [2021-12-15 10:29:11,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:29:11" (3/3) ... [2021-12-15 10:29:11,643 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0240a.c [2021-12-15 10:29:11,646 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 10:29:11,646 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 10:29:11,696 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 10:29:11,700 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 10:29:11,700 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 10:29:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-15 10:29:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-15 10:29:11,717 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:29:11,717 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:29:11,718 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:29:11,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:29:11,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1677747797, now seen corresponding path program 1 times [2021-12-15 10:29:11,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 10:29:11,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925650666] [2021-12-15 10:29:11,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:29:11,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 10:29:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 10:29:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 10:29:11,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 10:29:11,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925650666] [2021-12-15 10:29:11,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925650666] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 10:29:11,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 10:29:11,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 10:29:11,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606877626] [2021-12-15 10:29:11,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 10:29:11,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 10:29:11,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 10:29:11,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 10:29:11,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 10:29:11,929 INFO L87 Difference]: Start difference. First operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 10:29:11,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 10:29:11,962 INFO L93 Difference]: Finished difference Result 512 states and 856 transitions. [2021-12-15 10:29:11,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 10:29:11,976 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-15 10:29:11,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 10:29:11,983 INFO L225 Difference]: With dead ends: 512 [2021-12-15 10:29:11,984 INFO L226 Difference]: Without dead ends: 254 [2021-12-15 10:29:11,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 10:29:11,990 INFO L933 BasicCegarLoop]: 359 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, 359 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 10:29:11,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 10:29:12,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-12-15 10:29:12,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-12-15 10:29:12,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 237 states have (on average 1.40084388185654) internal successors, (332), 237 states have internal predecessors, (332), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-15 10:29:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 356 transitions. [2021-12-15 10:29:12,030 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 356 transitions. Word has length 10 [2021-12-15 10:29:12,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 10:29:12,031 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 356 transitions. [2021-12-15 10:29:12,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 10:29:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 356 transitions. [2021-12-15 10:29:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 10:29:12,032 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:29:12,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:29:12,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 10:29:12,032 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:29:12,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:29:12,033 INFO L85 PathProgramCache]: Analyzing trace with hash 750166241, now seen corresponding path program 1 times [2021-12-15 10:29:12,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 10:29:12,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725278325] [2021-12-15 10:29:12,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:29:12,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 10:29:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 10:29:12,084 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 10:29:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 10:29:12,140 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 10:29:12,140 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-15 10:29:12,141 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 10:29:12,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 10:29:12,145 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-15 10:29:12,147 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 10:29:12,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:29:12 BoogieIcfgContainer [2021-12-15 10:29:12,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 10:29:12,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 10:29:12,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 10:29:12,188 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 10:29:12,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:29:11" (3/4) ... [2021-12-15 10:29:12,190 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 10:29:12,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 10:29:12,193 INFO L158 Benchmark]: Toolchain (without parser) took 1946.99ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 82.7MB in the beginning and 56.0MB in the end (delta: 26.7MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2021-12-15 10:29:12,194 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:29:12,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.00ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 82.5MB in the beginning and 93.3MB in the end (delta: -10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 10:29:12,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.31ms. Allocated memory is still 132.1MB. Free memory was 93.3MB in the beginning and 87.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 10:29:12,196 INFO L158 Benchmark]: Boogie Preprocessor took 105.13ms. Allocated memory is still 132.1MB. Free memory was 87.1MB in the beginning and 80.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 10:29:12,196 INFO L158 Benchmark]: RCFGBuilder took 797.54ms. Allocated memory is still 132.1MB. Free memory was 80.9MB in the beginning and 59.9MB in the end (delta: 20.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-12-15 10:29:12,197 INFO L158 Benchmark]: TraceAbstraction took 548.48ms. Allocated memory is still 132.1MB. Free memory was 59.3MB in the beginning and 56.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2021-12-15 10:29:12,197 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 132.1MB. Free memory was 56.7MB in the beginning and 56.0MB in the end (delta: 706.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:29:12,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.00ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 82.5MB in the beginning and 93.3MB in the end (delta: -10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.31ms. Allocated memory is still 132.1MB. Free memory was 93.3MB in the beginning and 87.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.13ms. Allocated memory is still 132.1MB. Free memory was 87.1MB in the beginning and 80.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 797.54ms. Allocated memory is still 132.1MB. Free memory was 80.9MB in the beginning and 59.9MB in the end (delta: 20.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * TraceAbstraction took 548.48ms. Allocated memory is still 132.1MB. Free memory was 59.3MB in the beginning and 56.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 132.1MB. Free memory was 56.7MB in the beginning and 56.0MB in the end (delta: 706.0kB). 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: 646]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 534, overapproximation of someBinaryArithmeticDOUBLEoperation at line 618, overapproximation of bitwiseAnd at line 614, overapproximation of someBinaryDOUBLEComparisonOperation at line 88. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L182] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L368-L379] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L381-L388] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L390-L399] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L532-L538] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L576-L582] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L641] double x = 1.0 / 0.0; [L642] CALL, EXPR sin_double(x) [L607] double y[2], z = 0.0; [L608] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L610] ieee_double_shape_type gh_u; [L611] gh_u.value = (x) [L612] EXPR gh_u.parts.msw [L612] (ix) = gh_u.parts.msw [L614] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L615] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L617] COND TRUE ix >= 0x7ff00000 [L618] return x - x; [L618] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L642] RET, EXPR sin_double(x) [L642] double res = sin_double(x); [L645] CALL, EXPR isnan_double(res) [L88] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, \result=0, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_krempio=0, zero_rempio=0] [L645] RET, EXPR isnan_double(res) [L645] COND TRUE !isnan_double(res) [L646] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 359 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, 359 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=257occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-15 10:29:12,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0240a.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 e0edc3bee4914c275f0c598e472600512fc7b26a133b6f40ec30f7b7e670fb55 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:29:13,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:29:13,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:29:13,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:29:13,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:29:13,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:29:13,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:29:13,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:29:13,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:29:13,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:29:13,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:29:13,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:29:13,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:29:13,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:29:13,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:29:13,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:29:13,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:29:13,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:29:13,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:29:13,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:29:13,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:29:13,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:29:13,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:29:13,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:29:13,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:29:13,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:29:13,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:29:13,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:29:13,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:29:13,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:29:13,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:29:13,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:29:13,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:29:13,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:29:13,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:29:13,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:29:13,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:29:13,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:29:13,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:29:13,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:29:13,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:29:13,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 10:29:13,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:29:13,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:29:13,985 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:29:13,985 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:29:13,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:29:13,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:29:13,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:29:13,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:29:13,988 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:29:13,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:29:13,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:29:13,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:29:13,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:29:13,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:29:13,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:29:13,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:29:13,989 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 10:29:13,989 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 10:29:13,989 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 10:29:13,990 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:29:13,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:29:13,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:29:13,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:29:13,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:29:13,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:29:13,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:29:13,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:29:13,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:29:13,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:29:13,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:29:13,991 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 10:29:13,991 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 10:29:13,992 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:29:13,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:29:13,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:29:13,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:29:13,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 10:29:13,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0edc3bee4914c275f0c598e472600512fc7b26a133b6f40ec30f7b7e670fb55 [2021-12-15 10:29:14,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:29:14,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:29:14,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:29:14,291 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:29:14,292 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:29:14,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0240a.c [2021-12-15 10:29:14,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677feb8c2/487400db7b404f4fbab86b673ab92330/FLAG8fc924c73 [2021-12-15 10:29:14,899 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:29:14,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0240a.c [2021-12-15 10:29:14,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677feb8c2/487400db7b404f4fbab86b673ab92330/FLAG8fc924c73 [2021-12-15 10:29:15,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677feb8c2/487400db7b404f4fbab86b673ab92330 [2021-12-15 10:29:15,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:29:15,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:29:15,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:29:15,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:29:15,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:29:15,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:15,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@324bc708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15, skipping insertion in model container [2021-12-15 10:29:15,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:15,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:29:15,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:29:15,711 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_0240a.c[16283,16296] [2021-12-15 10:29:15,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:29:15,736 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:29:15,838 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_0240a.c[16283,16296] [2021-12-15 10:29:15,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:29:15,864 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:29:15,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15 WrapperNode [2021-12-15 10:29:15,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:29:15,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:29:15,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:29:15,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:29:15,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:15,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:15,940 INFO L137 Inliner]: procedures = 29, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1034 [2021-12-15 10:29:15,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:29:15,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:29:15,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:29:15,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:29:15,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:15,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:15,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:15,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:15,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:15,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:15,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:16,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:29:16,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:29:16,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:29:16,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:29:16,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (1/1) ... [2021-12-15 10:29:16,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:29:16,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:29:16,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 10:29:16,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 10:29:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:29:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 10:29:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-15 10:29:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-15 10:29:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-15 10:29:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 10:29:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 10:29:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-12-15 10:29:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-12-15 10:29:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 10:29:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-15 10:29:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 10:29:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-12-15 10:29:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-12-15 10:29:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-15 10:29:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-15 10:29:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:29:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:29:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 10:29:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 10:29:16,230 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:29:16,231 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:30:10,395 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 10:30:10,402 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 10:30:10,402 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-12-15 10:30:10,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:30:10 BoogieIcfgContainer [2021-12-15 10:30:10,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 10:30:10,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 10:30:10,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 10:30:10,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 10:30:10,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:29:15" (1/3) ... [2021-12-15 10:30:10,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487135a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:30:10, skipping insertion in model container [2021-12-15 10:30:10,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:29:15" (2/3) ... [2021-12-15 10:30:10,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487135a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:30:10, skipping insertion in model container [2021-12-15 10:30:10,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:30:10" (3/3) ... [2021-12-15 10:30:10,408 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0240a.c [2021-12-15 10:30:10,412 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 10:30:10,412 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 10:30:10,446 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 10:30:10,455 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 10:30:10,455 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 10:30:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-15 10:30:10,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-15 10:30:10,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:30:10,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:30:10,485 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:30:10,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:30:10,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1677747797, now seen corresponding path program 1 times [2021-12-15 10:30:10,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 10:30:10,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946683353] [2021-12-15 10:30:10,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:30:10,506 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 10:30:10,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 10:30:10,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 10:30:10,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 10:30:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 10:30:10,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-15 10:30:10,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 10:30:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 10:30:11,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 10:30:11,064 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 10:30:11,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946683353] [2021-12-15 10:30:11,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946683353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 10:30:11,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 10:30:11,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 10:30:11,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537515504] [2021-12-15 10:30:11,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 10:30:11,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 10:30:11,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 10:30:11,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 10:30:11,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 10:30:11,098 INFO L87 Difference]: Start difference. First operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 10:30:11,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 10:30:11,145 INFO L93 Difference]: Finished difference Result 512 states and 856 transitions. [2021-12-15 10:30:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 10:30:11,147 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-15 10:30:11,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 10:30:11,160 INFO L225 Difference]: With dead ends: 512 [2021-12-15 10:30:11,160 INFO L226 Difference]: Without dead ends: 254 [2021-12-15 10:30:11,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 10:30:11,172 INFO L933 BasicCegarLoop]: 359 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, 359 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 10:30:11,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 10:30:11,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-12-15 10:30:11,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-12-15 10:30:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 237 states have (on average 1.40084388185654) internal successors, (332), 237 states have internal predecessors, (332), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-15 10:30:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 356 transitions. [2021-12-15 10:30:11,218 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 356 transitions. Word has length 10 [2021-12-15 10:30:11,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 10:30:11,218 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 356 transitions. [2021-12-15 10:30:11,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 10:30:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 356 transitions. [2021-12-15 10:30:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 10:30:11,219 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:30:11,219 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:30:11,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 10:30:11,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 10:30:11,433 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:30:11,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:30:11,433 INFO L85 PathProgramCache]: Analyzing trace with hash 750166241, now seen corresponding path program 1 times [2021-12-15 10:30:11,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 10:30:11,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225121969] [2021-12-15 10:30:11,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:30:11,434 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 10:30:11,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 10:30:11,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 10:30:11,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-15 10:30:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 10:30:11,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 10:30:11,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 10:30:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 10:30:13,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 10:30:13,068 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 10:30:13,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225121969] [2021-12-15 10:30:13,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225121969] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 10:30:13,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 10:30:13,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-15 10:30:13,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640205816] [2021-12-15 10:30:13,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 10:30:13,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-15 10:30:13,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 10:30:13,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-15 10:30:13,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-15 10:30:13,070 INFO L87 Difference]: Start difference. First operand 254 states and 356 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 10:30:17,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-15 10:30:20,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-15 10:30:23,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-15 10:30:25,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-15 10:30:27,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []