./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0530b.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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:48:48,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:48:48,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:48:48,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:48:48,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:48:48,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:48:48,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:48:48,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:48:48,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:48:48,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:48:48,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:48:48,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:48:48,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:48:48,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:48:48,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:48:48,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:48:48,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:48:48,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:48:48,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:48:48,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:48:48,050 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:48:48,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:48:48,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:48:48,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:48:48,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:48:48,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:48:48,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:48:48,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:48:48,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:48:48,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:48:48,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:48:48,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:48:48,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:48:48,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:48:48,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:48:48,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:48:48,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:48:48,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:48:48,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:48:48,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:48:48,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:48:48,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:48:48,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 14:48:48,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:48:48,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:48:48,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:48:48,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:48:48,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:48:48,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:48:48,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:48:48,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:48:48,080 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:48:48,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:48:48,081 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:48:48,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 14:48:48,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:48:48,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:48:48,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:48:48,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:48:48,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:48:48,082 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:48:48,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:48:48,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:48:48,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:48:48,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:48:48,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:48:48,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:48:48,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:48:48,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:48:48,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:48:48,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:48:48,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 14:48:48,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 14:48:48,084 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:48:48,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:48:48,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:48:48,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2022-07-13 14:48:48,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:48:48,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:48:48,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:48:48,280 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:48:48,280 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:48:48,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2022-07-13 14:48:48,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b866d4a67/0498db602ca041b59b1cde5acc22ce39/FLAG59c40024e [2022-07-13 14:48:48,767 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:48:48,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2022-07-13 14:48:48,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b866d4a67/0498db602ca041b59b1cde5acc22ce39/FLAG59c40024e [2022-07-13 14:48:49,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b866d4a67/0498db602ca041b59b1cde5acc22ce39 [2022-07-13 14:48:49,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:48:49,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:48:49,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:48:49,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:48:49,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:48:49,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf1ba12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49, skipping insertion in model container [2022-07-13 14:48:49,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:48:49,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:48:49,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2022-07-13 14:48:49,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:48:49,409 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:48:49,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2022-07-13 14:48:49,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:48:49,521 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:48:49,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49 WrapperNode [2022-07-13 14:48:49,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:48:49,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:48:49,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:48:49,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:48:49,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,617 INFO L137 Inliner]: procedures = 25, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1078 [2022-07-13 14:48:49,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:48:49,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:48:49,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:48:49,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:48:49,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:48:49,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:48:49,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:48:49,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:48:49,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (1/1) ... [2022-07-13 14:48:49,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:48:49,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:48:49,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 14:48:49,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 14:48:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:48:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 14:48:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-13 14:48:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 14:48:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-07-13 14:48:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-07-13 14:48:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-13 14:48:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-13 14:48:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-13 14:48:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 14:48:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-13 14:48:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-13 14:48:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-13 14:48:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 14:48:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2022-07-13 14:48:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2022-07-13 14:48:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:48:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:48:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 14:48:49,962 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:48:49,976 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:48:50,773 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:48:50,779 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:48:50,795 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2022-07-13 14:48:50,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:48:50 BoogieIcfgContainer [2022-07-13 14:48:50,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:48:50,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:48:50,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:48:50,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:48:50,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:48:49" (1/3) ... [2022-07-13 14:48:50,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ac9c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:48:50, skipping insertion in model container [2022-07-13 14:48:50,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:49" (2/3) ... [2022-07-13 14:48:50,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ac9c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:48:50, skipping insertion in model container [2022-07-13 14:48:50,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:48:50" (3/3) ... [2022-07-13 14:48:50,804 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530b.c [2022-07-13 14:48:50,814 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:48:50,827 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:48:50,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:48:50,900 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3317c3a6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@619bf3b7 [2022-07-13 14:48:50,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:48:50,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 240 states have (on average 1.6916666666666667) internal successors, (406), 241 states have internal predecessors, (406), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-13 14:48:50,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-13 14:48:50,921 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:48:50,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:48:50,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:48:50,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:48:50,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1895655517, now seen corresponding path program 1 times [2022-07-13 14:48:50,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:48:50,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092191500] [2022-07-13 14:48:50,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:48:50,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:48:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:48:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:48:51,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 14:48:51,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092191500] [2022-07-13 14:48:51,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092191500] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:48:51,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:48:51,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 14:48:51,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675819914] [2022-07-13 14:48:51,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:48:51,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 14:48:51,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 14:48:51,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 14:48:51,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:48:51,265 INFO L87 Difference]: Start difference. First operand has 257 states, 240 states have (on average 1.6916666666666667) internal successors, (406), 241 states have internal predecessors, (406), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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) [2022-07-13 14:48:51,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:48:51,309 INFO L93 Difference]: Finished difference Result 512 states and 865 transitions. [2022-07-13 14:48:51,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 14:48:51,311 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 [2022-07-13 14:48:51,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:48:51,319 INFO L225 Difference]: With dead ends: 512 [2022-07-13 14:48:51,321 INFO L226 Difference]: Without dead ends: 254 [2022-07-13 14:48:51,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:48:51,337 INFO L413 NwaCegarLoop]: 356 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, 356 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:48:51,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 14:48:51,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2022-07-13 14:48:51,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2022-07-13 14:48:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 238 states have (on average 1.3907563025210083) internal successors, (331), 238 states have internal predecessors, (331), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-13 14:48:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 353 transitions. [2022-07-13 14:48:51,413 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 353 transitions. Word has length 10 [2022-07-13 14:48:51,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:48:51,413 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 353 transitions. [2022-07-13 14:48:51,414 INFO L496 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) [2022-07-13 14:48:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 353 transitions. [2022-07-13 14:48:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 14:48:51,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:48:51,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:48:51,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 14:48:51,415 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:48:51,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:48:51,416 INFO L85 PathProgramCache]: Analyzing trace with hash -59977569, now seen corresponding path program 1 times [2022-07-13 14:48:51,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:48:51,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317327319] [2022-07-13 14:48:51,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:48:51,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:48:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:48:51,545 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 14:48:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:48:51,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 14:48:51,647 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 14:48:51,648 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:48:51,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 14:48:51,652 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 14:48:51,654 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:48:51,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:48:51 BoogieIcfgContainer [2022-07-13 14:48:51,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:48:51,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:48:51,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:48:51,704 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:48:51,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:48:50" (3/4) ... [2022-07-13 14:48:51,720 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 14:48:51,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:48:51,721 INFO L158 Benchmark]: Toolchain (without parser) took 2585.92ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 60.0MB in the beginning and 78.2MB in the end (delta: -18.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-07-13 14:48:51,722 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:48:51,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.10ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 86.3MB in the end (delta: -26.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:48:51,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.76ms. Allocated memory is still 127.9MB. Free memory was 86.3MB in the beginning and 78.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:48:51,723 INFO L158 Benchmark]: Boogie Preprocessor took 98.60ms. Allocated memory is still 127.9MB. Free memory was 78.4MB in the beginning and 71.6MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 14:48:51,723 INFO L158 Benchmark]: RCFGBuilder took 1079.98ms. Allocated memory is still 127.9MB. Free memory was 70.8MB in the beginning and 62.9MB in the end (delta: 7.9MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2022-07-13 14:48:51,723 INFO L158 Benchmark]: TraceAbstraction took 904.32ms. Allocated memory is still 127.9MB. Free memory was 62.1MB in the beginning and 79.0MB in the end (delta: -16.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-07-13 14:48:51,723 INFO L158 Benchmark]: Witness Printer took 17.02ms. Allocated memory is still 127.9MB. Free memory was 79.0MB in the beginning and 78.2MB in the end (delta: 841.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:48:51,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.10ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 86.3MB in the end (delta: -26.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.76ms. Allocated memory is still 127.9MB. Free memory was 86.3MB in the beginning and 78.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.60ms. Allocated memory is still 127.9MB. Free memory was 78.4MB in the beginning and 71.6MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1079.98ms. Allocated memory is still 127.9MB. Free memory was 70.8MB in the beginning and 62.9MB in the end (delta: 7.9MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * TraceAbstraction took 904.32ms. Allocated memory is still 127.9MB. Free memory was 62.1MB in the beginning and 79.0MB in the end (delta: -16.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Witness Printer took 17.02ms. Allocated memory is still 127.9MB. Free memory was 79.0MB in the beginning and 78.2MB in the end (delta: 841.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 629]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 628, overapproximation of someUnaryDOUBLEoperation at line 497, overapproximation of bitwiseAnd at line 591, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 596. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L149] static const int init_jk_krempio[] = {4, 7, 9}; [L151-L155] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L334-L352] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L354-L360] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L491-L499] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L624] float x = -0.0f; [L625] CALL, EXPR tan_float(x) [L582] float y[2], z = 0.0; [L583] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L586] ieee_float_shape_type gf_u; [L587] gf_u.value = (x) [L588] EXPR gf_u.word [L588] (ix) = gf_u.word [L591] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L592] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND TRUE !((ix) < 0x7f800000L) [L596] return x - x; [L596] return x - x; VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR tan_float(x) [L625] float res = tan_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, res == -0.0f && __signbit_float(res) == 1=0, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 356 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, 356 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s 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 [2022-07-13 14:48:51,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0530b.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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:48:53,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:48:53,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:48:53,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:48:53,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:48:53,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:48:53,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:48:53,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:48:53,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:48:53,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:48:53,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:48:53,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:48:53,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:48:53,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:48:53,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:48:53,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:48:53,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:48:53,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:48:53,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:48:53,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:48:53,495 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:48:53,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:48:53,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:48:53,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:48:53,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:48:53,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:48:53,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:48:53,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:48:53,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:48:53,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:48:53,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:48:53,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:48:53,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:48:53,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:48:53,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:48:53,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:48:53,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:48:53,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:48:53,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:48:53,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:48:53,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:48:53,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:48:53,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 14:48:53,544 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:48:53,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:48:53,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:48:53,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:48:53,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:48:53,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:48:53,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:48:53,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:48:53,547 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:48:53,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:48:53,548 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:48:53,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:48:53,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:48:53,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:48:53,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:48:53,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:48:53,554 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 14:48:53,554 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 14:48:53,554 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 14:48:53,554 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:48:53,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:48:53,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:48:53,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:48:53,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:48:53,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:48:53,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:48:53,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:48:53,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:48:53,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:48:53,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:48:53,556 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 14:48:53,556 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 14:48:53,557 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:48:53,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:48:53,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:48:53,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 14:48:53,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2022-07-13 14:48:53,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:48:53,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:48:53,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:48:53,873 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:48:53,873 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:48:53,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2022-07-13 14:48:53,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f16b3eb/3f38c6e3e1bc476ab6b4fc80373ccdbb/FLAG1696ae0db [2022-07-13 14:48:54,320 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:48:54,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2022-07-13 14:48:54,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f16b3eb/3f38c6e3e1bc476ab6b4fc80373ccdbb/FLAG1696ae0db [2022-07-13 14:48:54,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f16b3eb/3f38c6e3e1bc476ab6b4fc80373ccdbb [2022-07-13 14:48:54,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:48:54,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:48:54,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:48:54,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:48:54,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:48:54,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:48:54" (1/1) ... [2022-07-13 14:48:54,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f6639b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:54, skipping insertion in model container [2022-07-13 14:48:54,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:48:54" (1/1) ... [2022-07-13 14:48:54,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:48:54,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:48:55,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2022-07-13 14:48:55,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:48:55,059 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:48:55,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2022-07-13 14:48:55,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:48:55,218 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:48:55,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55 WrapperNode [2022-07-13 14:48:55,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:48:55,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:48:55,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:48:55,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:48:55,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (1/1) ... [2022-07-13 14:48:55,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (1/1) ... [2022-07-13 14:48:55,312 INFO L137 Inliner]: procedures = 29, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1064 [2022-07-13 14:48:55,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:48:55,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:48:55,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:48:55,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:48:55,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (1/1) ... [2022-07-13 14:48:55,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (1/1) ... [2022-07-13 14:48:55,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (1/1) ... [2022-07-13 14:48:55,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (1/1) ... [2022-07-13 14:48:55,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (1/1) ... [2022-07-13 14:48:55,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (1/1) ... [2022-07-13 14:48:55,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (1/1) ... [2022-07-13 14:48:55,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:48:55,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:48:55,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:48:55,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:48:55,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (1/1) ... [2022-07-13 14:48:55,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:48:55,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:48:55,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 14:48:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:48:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 14:48:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 14:48:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 14:48:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-13 14:48:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-07-13 14:48:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-07-13 14:48:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 14:48:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-13 14:48:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-13 14:48:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-13 14:48:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-13 14:48:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-13 14:48:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-13 14:48:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2022-07-13 14:48:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2022-07-13 14:48:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:48:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:48:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 14:48:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 14:48:55,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 14:48:55,731 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:48:55,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:49:32,408 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:49:32,414 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:49:32,414 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2022-07-13 14:49:32,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:49:32 BoogieIcfgContainer [2022-07-13 14:49:32,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:49:32,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:49:32,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:49:32,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:49:32,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:48:54" (1/3) ... [2022-07-13 14:49:32,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2857978c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:49:32, skipping insertion in model container [2022-07-13 14:49:32,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:48:55" (2/3) ... [2022-07-13 14:49:32,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2857978c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:49:32, skipping insertion in model container [2022-07-13 14:49:32,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:49:32" (3/3) ... [2022-07-13 14:49:32,427 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530b.c [2022-07-13 14:49:32,437 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:49:32,438 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:49:32,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:49:32,506 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c8248da, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1a47cce4 [2022-07-13 14:49:32,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:49:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-13 14:49:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-13 14:49:32,516 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:49:32,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:49:32,517 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:49:32,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:49:32,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1661351645, now seen corresponding path program 1 times [2022-07-13 14:49:32,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:49:32,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651226970] [2022-07-13 14:49:32,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:49:32,537 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:49:32,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:49:32,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:49:32,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 14:49:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:49:33,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-13 14:49:33,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:49:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:49:33,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:49:33,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:49:33,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651226970] [2022-07-13 14:49:33,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651226970] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:49:33,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:49:33,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 14:49:33,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760661028] [2022-07-13 14:49:33,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:49:33,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 14:49:33,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:49:33,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 14:49:33,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:49:33,876 INFO L87 Difference]: Start difference. First operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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) [2022-07-13 14:49:33,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:49:33,914 INFO L93 Difference]: Finished difference Result 492 states and 821 transitions. [2022-07-13 14:49:33,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 14:49:33,916 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 [2022-07-13 14:49:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:49:33,923 INFO L225 Difference]: With dead ends: 492 [2022-07-13 14:49:33,924 INFO L226 Difference]: Without dead ends: 244 [2022-07-13 14:49:33,928 INFO L412 NwaCegarLoop]: 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 [2022-07-13 14:49:33,931 INFO L413 NwaCegarLoop]: 340 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, 340 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:49:33,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 14:49:33,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-07-13 14:49:33,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-07-13 14:49:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 228 states have (on average 1.381578947368421) internal successors, (315), 228 states have internal predecessors, (315), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-13 14:49:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 337 transitions. [2022-07-13 14:49:33,970 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 337 transitions. Word has length 10 [2022-07-13 14:49:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:49:33,971 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 337 transitions. [2022-07-13 14:49:33,971 INFO L496 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) [2022-07-13 14:49:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 337 transitions. [2022-07-13 14:49:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 14:49:33,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:49:33,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:49:34,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 14:49:34,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:49:34,197 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:49:34,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:49:34,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1285007371, now seen corresponding path program 1 times [2022-07-13 14:49:34,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:49:34,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420014867] [2022-07-13 14:49:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:49:34,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:49:34,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:49:34,200 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:49:34,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 14:49:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:49:35,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-13 14:49:35,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:49:35,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:49:35,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:49:35,852 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:49:35,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420014867] [2022-07-13 14:49:35,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420014867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:49:35,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:49:35,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 14:49:35,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561751263] [2022-07-13 14:49:35,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:49:35,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 14:49:35,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:49:35,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 14:49:35,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 14:49:35,858 INFO L87 Difference]: Start difference. First operand 244 states and 337 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2022-07-13 14:49:36,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:49:36,112 INFO L93 Difference]: Finished difference Result 290 states and 390 transitions. [2022-07-13 14:49:36,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 14:49:36,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) Word has length 11 [2022-07-13 14:49:36,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:49:36,114 INFO L225 Difference]: With dead ends: 290 [2022-07-13 14:49:36,114 INFO L226 Difference]: Without dead ends: 54 [2022-07-13 14:49:36,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-13 14:49:36,116 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 2 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 14:49:36,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 230 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 3 Unchecked, 0.1s Time] [2022-07-13 14:49:36,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-13 14:49:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-13 14:49:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.183673469387755) internal successors, (58), 49 states have internal predecessors, (58), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-13 14:49:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2022-07-13 14:49:36,120 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 11 [2022-07-13 14:49:36,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:49:36,120 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2022-07-13 14:49:36,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2022-07-13 14:49:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2022-07-13 14:49:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-13 14:49:36,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:49:36,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:49:36,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-13 14:49:36,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:49:36,324 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:49:36,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:49:36,324 INFO L85 PathProgramCache]: Analyzing trace with hash 632012606, now seen corresponding path program 1 times [2022-07-13 14:49:36,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:49:36,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707422100] [2022-07-13 14:49:36,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:49:36,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:49:36,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:49:36,326 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:49:36,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-13 14:49:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:49:38,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-13 14:49:38,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:49:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:49:39,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:49:39,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:49:39,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707422100] [2022-07-13 14:49:39,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1707422100] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:49:39,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:49:39,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 14:49:39,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465823928] [2022-07-13 14:49:39,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:49:39,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 14:49:39,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:49:39,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 14:49:39,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 14:49:39,705 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:49:42,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:42,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:49:42,315 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2022-07-13 14:49:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 14:49:42,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-07-13 14:49:42,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:49:42,355 INFO L225 Difference]: With dead ends: 82 [2022-07-13 14:49:42,355 INFO L226 Difference]: Without dead ends: 54 [2022-07-13 14:49:42,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-13 14:49:42,356 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 31 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-13 14:49:42,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 297 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 25 Unchecked, 2.4s Time] [2022-07-13 14:49:42,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-13 14:49:42,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-13 14:49:42,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-13 14:49:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2022-07-13 14:49:42,361 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 22 [2022-07-13 14:49:42,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:49:42,361 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2022-07-13 14:49:42,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:49:42,362 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2022-07-13 14:49:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 14:49:42,362 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:49:42,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:49:42,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-13 14:49:42,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:49:42,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:49:42,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:49:42,564 INFO L85 PathProgramCache]: Analyzing trace with hash 2039574363, now seen corresponding path program 1 times [2022-07-13 14:49:42,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:49:42,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914126180] [2022-07-13 14:49:42,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:49:42,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:49:42,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:49:42,566 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:49:42,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-13 14:49:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:49:45,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 14:49:45,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:49:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:49:45,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:49:45,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:49:45,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914126180] [2022-07-13 14:49:45,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914126180] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:49:45,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:49:45,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 14:49:45,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096624538] [2022-07-13 14:49:45,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:49:45,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 14:49:45,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:49:45,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 14:49:45,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 14:49:45,815 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:49:49,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:50,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:51,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:54,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:57,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:57,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:49:57,845 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2022-07-13 14:49:57,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 14:49:57,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-13 14:49:57,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:49:57,848 INFO L225 Difference]: With dead ends: 68 [2022-07-13 14:49:57,849 INFO L226 Difference]: Without dead ends: 38 [2022-07-13 14:49:57,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 14:49:57,849 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 38 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-07-13 14:49:57,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 153 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 11.9s Time] [2022-07-13 14:49:57,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-07-13 14:49:57,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-07-13 14:49:57,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-13 14:49:57,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-07-13 14:49:57,852 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 23 [2022-07-13 14:49:57,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:49:57,852 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-07-13 14:49:57,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:49:57,852 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-07-13 14:49:57,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 14:49:57,853 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:49:57,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:49:57,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-13 14:49:58,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:49:58,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:49:58,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:49:58,065 INFO L85 PathProgramCache]: Analyzing trace with hash 521946787, now seen corresponding path program 1 times [2022-07-13 14:49:58,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:49:58,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073158594] [2022-07-13 14:49:58,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:49:58,066 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:49:58,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:49:58,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:49:58,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-13 14:49:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:49:59,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-13 14:49:59,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:50:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:50:00,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:50:00,676 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:50:00,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073158594] [2022-07-13 14:50:00,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073158594] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:50:00,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:50:00,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 14:50:00,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354824513] [2022-07-13 14:50:00,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:50:00,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 14:50:00,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:50:00,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 14:50:00,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 14:50:00,677 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:03,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:06,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:06,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:50:06,814 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2022-07-13 14:50:06,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 14:50:06,815 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-13 14:50:06,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:50:06,816 INFO L225 Difference]: With dead ends: 54 [2022-07-13 14:50:06,816 INFO L226 Difference]: Without dead ends: 51 [2022-07-13 14:50:06,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-07-13 14:50:06,816 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 38 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-13 14:50:06,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 204 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-13 14:50:06,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-13 14:50:06,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2022-07-13 14:50:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 14:50:06,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2022-07-13 14:50:06,820 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 23 [2022-07-13 14:50:06,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:50:06,820 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2022-07-13 14:50:06,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:06,820 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-07-13 14:50:06,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 14:50:06,821 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:50:06,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:50:06,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-13 14:50:07,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:50:07,022 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:50:07,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:50:07,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1202005157, now seen corresponding path program 1 times [2022-07-13 14:50:07,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:50:07,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669711086] [2022-07-13 14:50:07,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:50:07,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:50:07,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:50:07,024 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:50:07,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-13 14:50:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:50:08,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 14:50:08,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:50:08,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:50:08,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:50:08,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:50:08,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669711086] [2022-07-13 14:50:08,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669711086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:50:08,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:50:08,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 14:50:08,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241303537] [2022-07-13 14:50:08,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:50:08,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 14:50:08,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:50:08,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 14:50:08,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 14:50:08,825 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:10,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:11,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:11,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:50:11,925 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2022-07-13 14:50:11,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 14:50:11,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-13 14:50:11,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:50:11,926 INFO L225 Difference]: With dead ends: 51 [2022-07-13 14:50:11,926 INFO L226 Difference]: Without dead ends: 28 [2022-07-13 14:50:11,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 14:50:11,928 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 7 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:50:11,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 89 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-13 14:50:11,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-07-13 14:50:11,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-07-13 14:50:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2022-07-13 14:50:11,930 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 23 [2022-07-13 14:50:11,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:50:11,931 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2022-07-13 14:50:11,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:11,931 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2022-07-13 14:50:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-13 14:50:11,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:50:11,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:50:11,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-13 14:50:12,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:50:12,138 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:50:12,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:50:12,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1963668792, now seen corresponding path program 1 times [2022-07-13 14:50:12,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:50:12,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30281590] [2022-07-13 14:50:12,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:50:12,139 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:50:12,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:50:12,142 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:50:12,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-13 14:50:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:50:13,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-13 14:50:13,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:50:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:50:15,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:50:15,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:50:15,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30281590] [2022-07-13 14:50:15,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30281590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:50:15,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:50:15,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-13 14:50:15,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888879682] [2022-07-13 14:50:15,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:50:15,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-13 14:50:15,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:50:15,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-13 14:50:15,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-13 14:50:15,912 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:19,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:50:19,863 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2022-07-13 14:50:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 14:50:19,864 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-07-13 14:50:19,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:50:19,864 INFO L225 Difference]: With dead ends: 28 [2022-07-13 14:50:19,864 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 14:50:19,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2022-07-13 14:50:19,865 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 24 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-13 14:50:19,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 122 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-13 14:50:19,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 14:50:19,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 14:50:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:50:19,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 14:50:19,866 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-07-13 14:50:19,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:50:19,866 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 14:50:19,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:19,869 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 14:50:19,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 14:50:19,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:50:19,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-13 14:50:20,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:50:20,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 14:50:22,096 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 59 77) no Hoare annotation was computed. [2022-07-13 14:50:22,096 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 59 77) no Hoare annotation was computed. [2022-07-13 14:50:22,096 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2022-07-13 14:50:22,097 INFO L899 garLoopResultBuilder]: For program point L71-1(lines 59 77) no Hoare annotation was computed. [2022-07-13 14:50:22,097 INFO L899 garLoopResultBuilder]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2022-07-13 14:50:22,097 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2022-07-13 14:50:22,097 INFO L902 garLoopResultBuilder]: At program point L61-2(lines 61 65) the Hoare annotation is: true [2022-07-13 14:50:22,097 INFO L902 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 59 77) the Hoare annotation is: true [2022-07-13 14:50:22,097 INFO L899 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 59 77) no Hoare annotation was computed. [2022-07-13 14:50:22,097 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-07-13 14:50:22,097 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 517) no Hoare annotation was computed. [2022-07-13 14:50:22,097 INFO L899 garLoopResultBuilder]: For program point L510-2(lines 501 579) no Hoare annotation was computed. [2022-07-13 14:50:22,097 INFO L899 garLoopResultBuilder]: For program point __kernel_tanfFINAL(lines 501 579) no Hoare annotation was computed. [2022-07-13 14:50:22,097 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 522) no Hoare annotation was computed. [2022-07-13 14:50:22,098 INFO L899 garLoopResultBuilder]: For program point L519-2(lines 519 522) no Hoare annotation was computed. [2022-07-13 14:50:22,098 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-07-13 14:50:22,098 INFO L899 garLoopResultBuilder]: For program point L515-2(line 515) no Hoare annotation was computed. [2022-07-13 14:50:22,098 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 516) no Hoare annotation was computed. [2022-07-13 14:50:22,098 INFO L899 garLoopResultBuilder]: For program point __kernel_tanfEXIT(lines 501 579) no Hoare annotation was computed. [2022-07-13 14:50:22,098 INFO L902 garLoopResultBuilder]: At program point __kernel_tanfENTRY(lines 501 579) the Hoare annotation is: true [2022-07-13 14:50:22,098 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 515) no Hoare annotation was computed. [2022-07-13 14:50:22,098 INFO L899 garLoopResultBuilder]: For program point L504-1(lines 504 508) no Hoare annotation was computed. [2022-07-13 14:50:22,098 INFO L895 garLoopResultBuilder]: At program point L504-2(lines 504 508) the Hoare annotation is: (and (= |__kernel_tanf_#in~x| __kernel_tanf_~x) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|)) [2022-07-13 14:50:22,098 INFO L899 garLoopResultBuilder]: For program point L504-3(lines 504 508) no Hoare annotation was computed. [2022-07-13 14:50:22,098 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 566 570) no Hoare annotation was computed. [2022-07-13 14:50:22,098 INFO L895 garLoopResultBuilder]: At program point L566-2(lines 566 570) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))))) [2022-07-13 14:50:22,098 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 554 558) no Hoare annotation was computed. [2022-07-13 14:50:22,099 INFO L895 garLoopResultBuilder]: At program point L554-2(lines 554 558) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))))) [2022-07-13 14:50:22,099 INFO L895 garLoopResultBuilder]: At program point L513(line 513) the Hoare annotation is: (and (= |__kernel_tanf_#in~x| __kernel_tanf_~x) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|) (not (= (_ bv1 32) |__kernel_tanf_#in~iy|))) [2022-07-13 14:50:22,099 INFO L899 garLoopResultBuilder]: For program point L513-1(line 513) no Hoare annotation was computed. [2022-07-13 14:50:22,099 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2022-07-13 14:50:22,099 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2022-07-13 14:50:22,099 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 549 578) no Hoare annotation was computed. [2022-07-13 14:50:22,099 INFO L899 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2022-07-13 14:50:22,099 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2022-07-13 14:50:22,099 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 549 578) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L559-2(lines 559 563) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 518 527) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 578) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 134 147) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 134 147) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 134 147) the Hoare annotation is: true [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 134 147) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L141-2(lines 141 145) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L902 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: true [2022-07-13 14:50:22,100 INFO L895 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: false [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L300-2(lines 300 301) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L895 garLoopResultBuilder]: At program point L300-3(lines 300 301) the Hoare annotation is: false [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L300-4(lines 290 330) no Hoare annotation was computed. [2022-07-13 14:50:22,100 INFO L899 garLoopResultBuilder]: For program point L433(lines 433 452) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 421 453) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 275) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 236) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L895 garLoopResultBuilder]: At program point L268-2(lines 259 276) the Hoare annotation is: false [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L302-1(line 302) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L895 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: false [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L902 garLoopResultBuilder]: At program point L633(lines 616 634) the Hoare annotation is: true [2022-07-13 14:50:22,101 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: false [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L895 garLoopResultBuilder]: At program point L600-2(lines 581 602) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0))) [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 172) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L171-2(lines 171 172) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 43) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L895 garLoopResultBuilder]: At program point L469-2(lines 469 473) the Hoare annotation is: false [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L469-3(lines 469 473) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L304-2(lines 304 305) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 208) no Hoare annotation was computed. [2022-07-13 14:50:22,101 INFO L895 garLoopResultBuilder]: At program point L304-3(lines 304 305) the Hoare annotation is: false [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L304-4(lines 290 330) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 41) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 411) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L404-2(lines 404 411) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L306-1(line 306) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 208) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L240-1(lines 162 332) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L207-2(lines 162 332) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L895 garLoopResultBuilder]: At program point L439-2(lines 439 443) the Hoare annotation is: false [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L439-3(lines 439 443) no Hoare annotation was computed. [2022-07-13 14:50:22,102 INFO L899 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2022-07-13 14:50:22,103 INFO L899 garLoopResultBuilder]: For program point L242-2(lines 242 243) no Hoare annotation was computed. [2022-07-13 14:50:22,103 INFO L895 garLoopResultBuilder]: At program point L242-3(lines 242 243) the Hoare annotation is: false [2022-07-13 14:50:22,103 INFO L899 garLoopResultBuilder]: For program point L242-4(lines 240 257) no Hoare annotation was computed. [2022-07-13 14:50:22,103 INFO L899 garLoopResultBuilder]: For program point L474-2(lines 474 477) no Hoare annotation was computed. [2022-07-13 14:50:22,103 INFO L895 garLoopResultBuilder]: At program point L474-3(lines 474 477) the Hoare annotation is: false [2022-07-13 14:50:22,103 INFO L899 garLoopResultBuilder]: For program point L474-4(lines 474 477) no Hoare annotation was computed. [2022-07-13 14:50:22,103 INFO L899 garLoopResultBuilder]: For program point L309-2(lines 309 313) no Hoare annotation was computed. [2022-07-13 14:50:22,103 INFO L899 garLoopResultBuilder]: For program point L210(lines 162 332) no Hoare annotation was computed. [2022-07-13 14:50:22,104 INFO L895 garLoopResultBuilder]: At program point L309-3(lines 309 313) the Hoare annotation is: false [2022-07-13 14:50:22,104 INFO L899 garLoopResultBuilder]: For program point L309-4(lines 309 313) no Hoare annotation was computed. [2022-07-13 14:50:22,104 INFO L899 garLoopResultBuilder]: For program point L177-2(lines 177 178) no Hoare annotation was computed. [2022-07-13 14:50:22,104 INFO L895 garLoopResultBuilder]: At program point L177-3(lines 177 178) the Hoare annotation is: false [2022-07-13 14:50:22,104 INFO L899 garLoopResultBuilder]: For program point L177-4(lines 177 178) no Hoare annotation was computed. [2022-07-13 14:50:22,104 INFO L899 garLoopResultBuilder]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2022-07-13 14:50:22,104 INFO L895 garLoopResultBuilder]: At program point L607-2(lines 607 611) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short141#1| (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2022-07-13 14:50:22,104 INFO L899 garLoopResultBuilder]: For program point L607-3(lines 607 611) no Hoare annotation was computed. [2022-07-13 14:50:22,104 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L899 garLoopResultBuilder]: For program point L178-2(line 178) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 49) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L899 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 245 246) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L899 garLoopResultBuilder]: For program point L245-3(lines 245 246) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L895 garLoopResultBuilder]: At program point L245-4(lines 245 246) the Hoare annotation is: false [2022-07-13 14:50:22,105 INFO L899 garLoopResultBuilder]: For program point L245-5(lines 245 246) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L899 garLoopResultBuilder]: For program point L279-2(lines 279 282) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L895 garLoopResultBuilder]: At program point L279-3(lines 279 282) the Hoare annotation is: false [2022-07-13 14:50:22,105 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 222) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L899 garLoopResultBuilder]: For program point L279-4(lines 279 282) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L899 garLoopResultBuilder]: For program point L180-2(lines 180 184) no Hoare annotation was computed. [2022-07-13 14:50:22,105 INFO L895 garLoopResultBuilder]: At program point L213-3(lines 213 222) the Hoare annotation is: false [2022-07-13 14:50:22,105 INFO L895 garLoopResultBuilder]: At program point L180-3(lines 180 184) the Hoare annotation is: false [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L213-4(lines 210 238) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L180-4(lines 180 184) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L379-1(lines 379 383) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L895 garLoopResultBuilder]: At program point L379-2(lines 379 383) the Hoare annotation is: false [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L379-3(lines 379 383) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L181-2(lines 181 182) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L895 garLoopResultBuilder]: At program point L181-3(lines 181 182) the Hoare annotation is: false [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L181-4(lines 181 182) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 221) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L895 garLoopResultBuilder]: At program point L314-3(lines 314 318) the Hoare annotation is: false [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 253) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L899 garLoopResultBuilder]: For program point L314-4(lines 314 318) no Hoare annotation was computed. [2022-07-13 14:50:22,106 INFO L895 garLoopResultBuilder]: At program point L248-3(lines 248 253) the Hoare annotation is: false [2022-07-13 14:50:22,107 INFO L899 garLoopResultBuilder]: For program point L248-4(lines 248 253) no Hoare annotation was computed. [2022-07-13 14:50:22,107 INFO L899 garLoopResultBuilder]: For program point L480-1(lines 480 481) no Hoare annotation was computed. [2022-07-13 14:50:22,107 INFO L895 garLoopResultBuilder]: At program point L480-3(lines 480 481) the Hoare annotation is: false [2022-07-13 14:50:22,107 INFO L899 garLoopResultBuilder]: For program point L480-4(lines 480 481) no Hoare annotation was computed. [2022-07-13 14:50:22,107 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 219) no Hoare annotation was computed. [2022-07-13 14:50:22,107 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 55) no Hoare annotation was computed. [2022-07-13 14:50:22,107 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 16 57) no Hoare annotation was computed. [2022-07-13 14:50:22,107 INFO L899 garLoopResultBuilder]: For program point L51-2(lines 51 55) no Hoare annotation was computed. [2022-07-13 14:50:22,107 INFO L895 garLoopResultBuilder]: At program point L613(lines 604 614) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short141#1| (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~2#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~2#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~2#1|)) .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32)) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2022-07-13 14:50:22,108 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 461) no Hoare annotation was computed. [2022-07-13 14:50:22,108 INFO L899 garLoopResultBuilder]: For program point L250-2(lines 250 251) no Hoare annotation was computed. [2022-07-13 14:50:22,108 INFO L895 garLoopResultBuilder]: At program point L250-3(lines 250 251) the Hoare annotation is: false [2022-07-13 14:50:22,108 INFO L899 garLoopResultBuilder]: For program point L250-4(lines 250 251) no Hoare annotation was computed. [2022-07-13 14:50:22,108 INFO L899 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2022-07-13 14:50:22,108 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2022-07-13 14:50:22,108 INFO L899 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2022-07-13 14:50:22,108 INFO L895 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: false [2022-07-13 14:50:22,108 INFO L899 garLoopResultBuilder]: For program point L416-1(line 416) no Hoare annotation was computed. [2022-07-13 14:50:22,108 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 14:50:22,109 INFO L899 garLoopResultBuilder]: For program point L284-2(lines 284 288) no Hoare annotation was computed. [2022-07-13 14:50:22,109 INFO L895 garLoopResultBuilder]: At program point L284-3(lines 284 288) the Hoare annotation is: false [2022-07-13 14:50:22,109 INFO L899 garLoopResultBuilder]: For program point L284-4(lines 284 288) no Hoare annotation was computed. [2022-07-13 14:50:22,109 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2022-07-13 14:50:22,109 INFO L899 garLoopResultBuilder]: For program point L285-2(lines 285 286) no Hoare annotation was computed. [2022-07-13 14:50:22,109 INFO L895 garLoopResultBuilder]: At program point L285-3(lines 285 286) the Hoare annotation is: false [2022-07-13 14:50:22,109 INFO L899 garLoopResultBuilder]: For program point L285-4(lines 285 286) no Hoare annotation was computed. [2022-07-13 14:50:22,109 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 389) no Hoare annotation was computed. [2022-07-13 14:50:22,109 INFO L899 garLoopResultBuilder]: For program point L319-2(lines 319 320) no Hoare annotation was computed. [2022-07-13 14:50:22,109 INFO L895 garLoopResultBuilder]: At program point L319-3(lines 319 320) the Hoare annotation is: false [2022-07-13 14:50:22,110 INFO L899 garLoopResultBuilder]: For program point L319-4(lines 290 330) no Hoare annotation was computed. [2022-07-13 14:50:22,110 INFO L895 garLoopResultBuilder]: At program point L56(lines 16 57) the Hoare annotation is: false [2022-07-13 14:50:22,110 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2022-07-13 14:50:22,110 INFO L895 garLoopResultBuilder]: At program point L585-2(lines 585 589) the Hoare annotation is: (= |ULTIMATE.start_tan_float_~x#1| (fp.neg (_ +zero 8 24))) [2022-07-13 14:50:22,110 INFO L899 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2022-07-13 14:50:22,110 INFO L895 garLoopResultBuilder]: At program point L255(lines 162 332) the Hoare annotation is: false [2022-07-13 14:50:22,110 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2022-07-13 14:50:22,110 INFO L895 garLoopResultBuilder]: At program point L189-3(lines 189 193) the Hoare annotation is: false [2022-07-13 14:50:22,110 INFO L895 garLoopResultBuilder]: At program point L189-4(lines 189 193) the Hoare annotation is: false [2022-07-13 14:50:22,110 INFO L899 garLoopResultBuilder]: For program point L421(line 421) no Hoare annotation was computed. [2022-07-13 14:50:22,111 INFO L899 garLoopResultBuilder]: For program point L421-2(lines 421 453) no Hoare annotation was computed. [2022-07-13 14:50:22,111 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 14:50:22,111 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 210 238) no Hoare annotation was computed. [2022-07-13 14:50:22,111 INFO L895 garLoopResultBuilder]: At program point L488(lines 373 489) the Hoare annotation is: false [2022-07-13 14:50:22,111 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 460) no Hoare annotation was computed. [2022-07-13 14:50:22,112 INFO L895 garLoopResultBuilder]: At program point L290(lines 290 330) the Hoare annotation is: false [2022-07-13 14:50:22,112 INFO L895 garLoopResultBuilder]: At program point L224(lines 224 231) the Hoare annotation is: false [2022-07-13 14:50:22,112 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 50) no Hoare annotation was computed. [2022-07-13 14:50:22,112 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 414) no Hoare annotation was computed. [2022-07-13 14:50:22,112 INFO L899 garLoopResultBuilder]: For program point L291(line 291) no Hoare annotation was computed. [2022-07-13 14:50:22,113 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2022-07-13 14:50:22,113 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 44) no Hoare annotation was computed. [2022-07-13 14:50:22,113 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 413) no Hoare annotation was computed. [2022-07-13 14:50:22,113 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 14:50:22,113 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 34) no Hoare annotation was computed. [2022-07-13 14:50:22,113 INFO L899 garLoopResultBuilder]: For program point L293-2(lines 293 294) no Hoare annotation was computed. [2022-07-13 14:50:22,113 INFO L895 garLoopResultBuilder]: At program point L293-3(lines 293 294) the Hoare annotation is: false [2022-07-13 14:50:22,113 INFO L899 garLoopResultBuilder]: For program point L293-4(lines 290 330) no Hoare annotation was computed. [2022-07-13 14:50:22,113 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2022-07-13 14:50:22,113 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 400) no Hoare annotation was computed. [2022-07-13 14:50:22,114 INFO L899 garLoopResultBuilder]: For program point L393-2(lines 393 400) no Hoare annotation was computed. [2022-07-13 14:50:22,114 INFO L899 garLoopResultBuilder]: For program point L228(line 228) no Hoare annotation was computed. [2022-07-13 14:50:22,114 INFO L899 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2022-07-13 14:50:22,114 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 601) no Hoare annotation was computed. [2022-07-13 14:50:22,114 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 427 431) no Hoare annotation was computed. [2022-07-13 14:50:22,114 INFO L895 garLoopResultBuilder]: At program point L427-2(lines 427 431) the Hoare annotation is: false [2022-07-13 14:50:22,115 INFO L899 garLoopResultBuilder]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2022-07-13 14:50:22,115 INFO L899 garLoopResultBuilder]: For program point L295-1(line 295) no Hoare annotation was computed. [2022-07-13 14:50:22,115 INFO L899 garLoopResultBuilder]: For program point L262-1(lines 262 265) no Hoare annotation was computed. [2022-07-13 14:50:22,115 INFO L895 garLoopResultBuilder]: At program point L262-3(lines 262 265) the Hoare annotation is: false [2022-07-13 14:50:22,115 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-07-13 14:50:22,115 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (= |ULTIMATE.start_tan_float_~x#1| (fp.neg (_ +zero 8 24))) [2022-07-13 14:50:22,115 INFO L899 garLoopResultBuilder]: For program point L593-1(line 593) no Hoare annotation was computed. [2022-07-13 14:50:22,115 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 14:50:22,115 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2022-07-13 14:50:22,115 INFO L899 garLoopResultBuilder]: For program point L297(line 297) no Hoare annotation was computed. [2022-07-13 14:50:22,115 INFO L899 garLoopResultBuilder]: For program point L297-2(line 297) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 466) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L895 garLoopResultBuilder]: At program point L331(lines 161 332) the Hoare annotation is: false [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L902 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 111) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 108) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L98-2(lines 98 108) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 95) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2022-07-13 14:50:22,116 INFO L902 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: true [2022-07-13 14:50:22,117 INFO L899 garLoopResultBuilder]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2022-07-13 14:50:22,117 INFO L902 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: true [2022-07-13 14:50:22,117 INFO L899 garLoopResultBuilder]: For program point L111-1(line 111) no Hoare annotation was computed. [2022-07-13 14:50:22,117 INFO L899 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 83 133) no Hoare annotation was computed. [2022-07-13 14:50:22,117 INFO L902 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: true [2022-07-13 14:50:22,117 INFO L899 garLoopResultBuilder]: For program point L124-1(line 124) no Hoare annotation was computed. [2022-07-13 14:50:22,117 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 125) no Hoare annotation was computed. [2022-07-13 14:50:22,117 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2022-07-13 14:50:22,117 INFO L902 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: true [2022-07-13 14:50:22,118 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2022-07-13 14:50:22,118 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 119) no Hoare annotation was computed. [2022-07-13 14:50:22,118 INFO L899 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 83 133) no Hoare annotation was computed. [2022-07-13 14:50:22,118 INFO L902 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 83 133) the Hoare annotation is: true [2022-07-13 14:50:22,118 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 100 104) no Hoare annotation was computed. [2022-07-13 14:50:22,118 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 104) the Hoare annotation is: true [2022-07-13 14:50:22,118 INFO L899 garLoopResultBuilder]: For program point L100-3(lines 100 104) no Hoare annotation was computed. [2022-07-13 14:50:22,118 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 97) no Hoare annotation was computed. [2022-07-13 14:50:22,118 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 124) no Hoare annotation was computed. [2022-07-13 14:50:22,118 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2022-07-13 14:50:22,119 INFO L902 garLoopResultBuilder]: At program point L113-2(lines 113 117) the Hoare annotation is: true [2022-07-13 14:50:22,119 INFO L899 garLoopResultBuilder]: For program point L113-3(lines 113 117) no Hoare annotation was computed. [2022-07-13 14:50:22,121 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:50:22,122 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:50:22,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,140 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,140 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,140 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:50:22 BoogieIcfgContainer [2022-07-13 14:50:22,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:50:22,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:50:22,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:50:22,147 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:50:22,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:49:32" (3/4) ... [2022-07-13 14:50:22,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 14:50:22,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-07-13 14:50:22,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2022-07-13 14:50:22,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2022-07-13 14:50:22,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tanf [2022-07-13 14:50:22,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2022-07-13 14:50:22,177 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-07-13 14:50:22,178 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-07-13 14:50:22,185 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 14:50:22,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x && iy == \old(iy) [2022-07-13 14:50:22,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-13 14:50:22,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-13 14:50:22,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-13 14:50:22,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) [2022-07-13 14:50:22,317 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 14:50:22,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:50:22,318 INFO L158 Benchmark]: Toolchain (without parser) took 87594.05ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 38.3MB in the beginning and 27.0MB in the end (delta: 11.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-07-13 14:50:22,319 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 42.4MB in the beginning and 42.4MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:50:22,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.53ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 38.1MB in the beginning and 53.8MB in the end (delta: -15.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-07-13 14:50:22,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.20ms. Allocated memory is still 75.5MB. Free memory was 53.8MB in the beginning and 46.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 14:50:22,319 INFO L158 Benchmark]: Boogie Preprocessor took 111.05ms. Allocated memory is still 75.5MB. Free memory was 46.5MB in the beginning and 39.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:50:22,320 INFO L158 Benchmark]: RCFGBuilder took 36993.74ms. Allocated memory is still 75.5MB. Free memory was 38.9MB in the beginning and 31.4MB in the end (delta: 7.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-07-13 14:50:22,320 INFO L158 Benchmark]: TraceAbstraction took 49726.26ms. Allocated memory is still 75.5MB. Free memory was 31.1MB in the beginning and 25.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-07-13 14:50:22,320 INFO L158 Benchmark]: Witness Printer took 170.45ms. Allocated memory is still 75.5MB. Free memory was 25.9MB in the beginning and 27.0MB in the end (delta: -1.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-07-13 14:50:22,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 42.4MB in the beginning and 42.4MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.53ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 38.1MB in the beginning and 53.8MB in the end (delta: -15.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.20ms. Allocated memory is still 75.5MB. Free memory was 53.8MB in the beginning and 46.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.05ms. Allocated memory is still 75.5MB. Free memory was 46.5MB in the beginning and 39.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 36993.74ms. Allocated memory is still 75.5MB. Free memory was 38.9MB in the beginning and 31.4MB in the end (delta: 7.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 49726.26ms. Allocated memory is still 75.5MB. Free memory was 31.1MB in the beginning and 25.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 170.45ms. Allocated memory is still 75.5MB. Free memory was 25.9MB in the beginning and 27.0MB in the end (delta: -1.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 629]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 247 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 49.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 24.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 1435 SdHoareTripleChecker+Invalid, 23.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 28 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 281 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 589 mSDtfsCounter, 281 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=247occurred in iteration=0, InterpolantAutomatonStates: 46, 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, 7 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 150 PreInvPairs, 163 NumberOfFragments, 170 HoareAnnotationTreeSize, 150 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 10.2s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 132 ConstructedInterpolants, 7 QuantifiedInterpolants, 478 SizeOfPredicates, 35 NumberOfNonLiveVariables, 2798 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: \old(x) == x && iy == \old(iy) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 554]: Loop Invariant [2022-07-13 14:50:22,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant [2022-07-13 14:50:22,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-13 14:50:22,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-13 14:50:22,567 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-07-13 14:50:22,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE